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Taking Perspective: Personal Pronouns Affect Experiential Aspects of Literary Reading

  • Franziska Hartung ,

    franziska.hartung.info@gmail.com

    Affiliations Neurobiology of Language, Donders Institute for Brain, Cognition, and Behaviour, Radboud University, Nijmegen, The Netherlands, Neurobiology of Language, Max Planck Institute for Psycholinguistics, Nijmegen, The Netherlands

  • Michael Burke,

    Affiliations Rhetoric & Argumentation, University College Roosevelt, Middelburg, The Netherlands, Faculty of Humanities, Utrecht University, Utrecht, The Netherlands

  • Peter Hagoort,

    Affiliations Neurobiology of Language, Donders Institute for Brain, Cognition, and Behaviour, Radboud University, Nijmegen, The Netherlands, Neurobiology of Language, Max Planck Institute for Psycholinguistics, Nijmegen, The Netherlands

  • Roel M. Willems

    Affiliations Neurobiology of Language, Donders Institute for Brain, Cognition, and Behaviour, Radboud University, Nijmegen, The Netherlands, Neurobiology of Language, Max Planck Institute for Psycholinguistics, Nijmegen, The Netherlands, Centre for Language Studies, Faculty of Humanities, Radboud University, Nijmegen, The Netherlands

Correction

3 Jun 2016: The PLOS ONE staff (2016) Correction: Taking Perspective: Personal Pronouns Affect Experiential Aspects of Literary Reading. PLOS ONE 11(6): e0157285. https://doi.org/10.1371/journal.pone.0157285 View correction

Abstract

Personal pronouns have been shown to influence cognitive perspective taking during comprehension. Studies using single sentences found that 3rd person pronouns facilitate the construction of a mental model from an observer’s perspective, whereas 2nd person pronouns support an actor’s perspective. The direction of the effect for 1st person pronouns seems to depend on the situational context. In the present study, we investigated how personal pronouns influence discourse comprehension when people read fiction stories and if this has consequences for affective components like emotion during reading or appreciation of the story. We wanted to find out if personal pronouns affect immersion and arousal, as well as appreciation of fiction. In a natural reading paradigm, we measured electrodermal activity and story immersion, while participants read literary stories with 1st and 3rd person pronouns referring to the protagonist. In addition, participants rated and ranked the stories for appreciation. Our results show that stories with 1st person pronouns lead to higher immersion. Two factors—transportation into the story world and mental imagery during reading—in particular showed higher scores for 1st person as compared to 3rd person pronoun stories. In contrast, arousal as measured by electrodermal activity seemed tentatively higher for 3rd person pronoun stories. The two measures of appreciation were not affected by the pronoun manipulation. Our findings underscore the importance of perspective for language processing, and additionally show which aspects of the narrative experience are influenced by a change in perspective.

Introduction

Reading is a complex human behaviour in which several cognitive processes are involved. An elementary part of story comprehension is building a mental representation of the semantic contents of the text [1]. Stories, as compared to non-narrative texts, often cause the reader to get immersed into the story and construct multimodal situation models [2]. Immersion is a state of absorption, which overlaps conceptually with flow [3], and transportation [4]. These terms describe a state of absorption marked by ‘deep concentration, losing awareness of one’s self, one’s surroundings and track of time’([5], p. 28; see also [3]). Being immersed in a story is linked to mental simulation [69], and defined as 'the state of feeling cognitively, emotionally, and imaginally immersed in a narrative world' [4], see also [1012], see also [13] on ‘disportation’. Immersion is also associated with enjoyment [14,11], meaning that the more we engage with a story, the more we enjoy it.

Immersion is a multidimensional experience based on factors, whose contribution to the experience of being immersed varies with the situation. Factors which often reoccur in notions of immersion in narratives include the experience of mental imagery, emotional engagement with protagonists, transportation into the story world, and attention during reading [5,15]. Experiencing imagery during narrative engagement such as mental visualizations of surroundings, characters, and situations has been hypothesized to influence immersion [5,12]. Emotional engagement with fictional characters of stories such as feelings of sympathy, empathy, and identification can facilitate immersion [5,14]. Another important factor for immersion is attention. A high level of attention towards the story is often marked by a subjective experience of losing self-awareness, awareness of the surroundings, and track of time [5]. The factor transportation ‘signifies a feeling of entering a story world, without completely losing contact with the actual world’, thus the feeling of actually being part of a fictional world during reading [5] p. 31. Transportation into a fictional world is linked to increased affective responses and identification with fictional characters [4]. In research with narratives, ‘transportation’ is also sometimes used to describe the general state of immersion into the narrative. In the present article, we treat transportation as one factor contributing to the general state of immersion or absorption during reading.

Readers can get immersed in a story by either taking the role of an observer (3rd person perspective) or by taking the viewpoint of one of the characters (1st person perspective) [1618]. Readers often take the mental perspective of the protagonist and simulate his or her mental states as the point of view when constructing a situation model [19,20]. It has further been shown that with which character the viewpoint is aligned affects if readers take a 1st person perspective [21]. Perspective taking is considered important in the construction and comprehension of fiction [17,2224], and the generation of situation models [25,26]. But perspective taking is also an important topic of research in the cognitive sciences in general. Typically, perspective taking is investigated in the framework of spatial cognition see e.g.[27,28] or social cognition [29]. We assume that narrative comprehension involves both types of perspective taking, because stories include information about actions, location changes and characters.

Taking the viewpoint of a character is linked to identification: it is believed that the reader is more engaged when taking a character’s viewpoint and adopting the character’s goals and intentions. During the course of the story this results in experiencing emotions of empathy [18]. Indeed, adopting a protagonist’s perspective causes changes in the mental and emotional states of the reader [10,12,30] and this effect has been shown to be linked to story immersion [4]. Experimental evidence shows that changing narrative viewpoints leads to changes in mental viewpoints. For example, in a discourse comprehension study Black and colleagues [31] showed that participants are sensitive to consistency violations in narrative viewpoints. They show that verbal deixis in sentences like ‘[…] two men came in’ versus ‘[…] two men went in’ leads to slower reading times and decreased comprehensibility if it does not match the narrative viewpoint established by the previous context. Also, people tend to correct those inconsistencies in memory tasks [31].

The most direct means of guiding the reader to take the role of a spectator or character are narrative perspective and narrative viewpoint, e.g. [32]. Narrative perspective (Who is telling the story?) and narrative viewpoint (Whose viewpoint is the narrative constructed from?) are typically aligned with a character (or a narrator), whose mental or visual response to the events in the story is the source of construal of the narrative events for the reader [33]. Using narrative perspective, story writers can make readers 'see' through the eyes of one of the characters or take a mere spectator's view. A well-established way to guide cognitive perspective taking in text is the choice of personal pronouns, which refer to protagonists [17,3437]. Experimental research with single sentences shows that personal pronouns in thematic agent's positions affect the spatial representation in the reader, e.g. people react faster to a picture showing tomato slicing from 1st person perspective after hearing the sentence 'I am slicing a tomato', than after hearing the sentence 'he is slicing a tomato' and vice versa [35]. In a series of experiments, it has been shown that 3rd person pronouns (he, she, it) robustly promote a 3rd person perspective mental representation, whereas 1st person pronouns can promote either 1st person or 3rd person mental perspective, depending on the contextual embedding. Prevalence for 1st person perspective taking is strongest when participants are addressed directly with 2nd person pronouns (e.g. You are slicing tomatoes.), where embodying emotional states of fictional characters is also stronger compared to other pronoun types [36]. In accordance with this, Papeo and colleagues [38] showed that only 1st person action sentences show a motor simulation effect, whereas 3rd person sentences do not. Moreover, neuroscientific evidence suggests that motor imagery in 1st person and 3rd person perspective relies on different neuronal networks [39,40].

However, despite the substantial body of narrative theory and experimental evidence from psychological studies with personal pronouns, it remains unclear how the choice of personal pronouns influences experiential aspects of literary reading such as immersion and appreciation of a story. In the present study we investigated how story immersion is affected by choice of pronoun referring to the main character. We manipulated whether literary stories were written in 1st or 3rd person viewpoint, that is, by using 1st or 3rd person pronouns referring to the protagonist. We refrained from testing second person perspective, because 2nd person perspective narration is very uncommon in literary fiction, and the type of fiction in which it finds application is very different from typical 1st or 3rd person narration texts. This would not only limit our choice of appropriate stimulus materials substantially, but would also result in asymmetry regarding the amount of prior exposure our sample population has with the types of texts. Moreover, it has been shown that 2nd person pronouns tend to be interpreted in a generic meaning, particularly in descriptive language [41]. In the present study, we combined measuring Electrodermal Activity (EDA) with appreciation ratings and established questionnaires for narrative engagement, to investigate if and how arousal, immersion, and affective responses to reading fiction are affected by choice of personal pronouns referring to protagonists. The main reason to include the EDA measure was to have a more objective, but also an online measure of arousal during the actual stimulus exposure, to relate to the self-report measures which were taken after exposure. EDA measures arousal, that is, the physical and psychological state of being alert and ready to react, which can be related to emotional stimulation, increased mental workload, and the startle reflex [4244]. High levels of arousal lead to increased heart rate and blood pressure, sensory alertness, and sweat gland activity. EDA measures electrical conductivity in the skin, which is sensitive to changes in blood pressure and sweat production. Spontaneous increases in conductivity reflect sudden increases in arousal level as a consequence of stimulation resulting in (negative) emotion, surprise or difficulty in processing [4244].

Following the assumption that 1st person perspective facilitates a more immediate experience and therefore identification [18,38], we expect that readers are more emotionally affected by 1st person perspective narratives and experience higher levels of immersion. This should result in higher scores on the immersion questionnaires, especially on the subscales for emotional engagement, transportation, and attention. Also physical arousal could be affected by the immediateness of 1st person narration, because of higher suspense or emotional responses during reading. Therefore we expect that both immersion as a self-report measured by questionnaire response, as well as arousal as measured by EDA are higher when participants read 1st person perspective narratives. We further expect that higher immersion results in higher appreciation [14,11], but without clear expectation as to which components of immersion might cause this effect. Moreover, we expected high individual variability regarding experiential aspects of literary reading and sensitivity to stylistic features. To be able to take this into account we measured participants’ self-reported reading behaviour, previous print exposure, and empathy. The latter is expected to correlate with immersion, print exposure and reading behaviour, following previous research which argues for a positive link between empathy and fiction reading [4550]. We had no clear expectations towards how reading behaviour and print exposure relate to immersion, arousal during reading, or appreciation.

Methods

In line with guidelines for psychological research, we report how we determined our sample size, all data exclusions, all manipulations, and all measures in the study.

Participants

64 participants were recruited from the Max Planck Institute (MPI) participant database (35 female, 29 male; mean age 21.7 years, s.d. = 3.5 range 18–34). Participants were native speakers of Dutch with normal or corrected to normal vision, and no reading impairments. We asked participants for their academic history to ensure that they had no high level of experience in literature analysis. Participants were naïve as to the purpose of the experiment. Participation was voluntary and participants received money for participation. All participants gave written informed consent in accordance with the declaration of Helsinki. The study was approved by the local Ethics Committee of the Social Sciences faculty of the Radboud University (Ethics Approval Number ECG2013-1308-120). After data exclusion (see below), the data of 52 participants went into the final analysis (30 female, 22 male; mean age 21.4, s.d. = 3.2, range 18–32).

Data exclusion

One participant stated that they had realized the manipulation of the stories during debriefing and therefore was excluded from processing. Another participant was excluded, because claimed that they were an expert in fiction writing as well as being a published author. Data from two other participants were not processed because the signal quality of the electrodermal activity (EDA) differed substantially between the two experimental blocks. Six additional participants did not enter the analysis because they did not meet the predefined minimum correctness criterion for content questions (> 25% incorrect), which we took as an indication that those participants did not pay enough attention to the content of the stories. One more participant was excluded for being an outlier, because the difference in number of peaks in the EDA between the two conditions was more than four standard deviations from the mean difference of all participants. Removing this data set left us with N = 53, so the last tested participant in the opposite order of conditions was removed to have an equal number of participants in both orders of conditions. In total, 12 participants were excluded from the analysis. All reported results are for N = 52.

Material

Stories.

We selected 8 short stories from Dutch fiction, which were published between 1974 and 2010 (see Table 1; mean number of words per story = 1043.25, s.d. = 723.05, range 338–2090, story summaries can be found in S1 Story Summaries and Content Questions). The selected stories were all typical short stories focusing on a single incident, had a single plot, a single setting, and covered only a short period of time. Also, there was—if at all—only a brief introduction, an open ending, and the number of characters in the story was limited. The stories were written in a laconic style avoiding direct statements of judgments and attitudes, e.g. the following excerpt from the ending of Officina Asmara (see S1 Story example A for the full transcript of the story in English and S2 Story example B and S3 Story example C for other more stories. For copyright reasons, only translations of the Dutch stories are published along with the manuscript. Please contact the corresponding author for a copy of the original stories.):

“[Son, from who’s viewpoint the story is told, asks his father] 'So now you’re a criminal?'

[Father replies] ‘Who gives a damn about the law?’

Later that evening we sit at the kitchen table in the grey light. My father's face is full of shadows. I examine this dubious man, who refurbishes old ship models in his barn between piles of paper, and resolve to take a closer look as long as time still allows.”

For all stories the narrative voice was identical with the narrative point of view. All stories were internally focalized, which means that the style of narration reflects the subjective perception of the main character [23,24]. Half of the stories were referring to the protagonist with 1st and half with 3rd person pronouns in the original version. To make exact comparisons we created a second version of each story in the corresponding condition. This was done by changing personal pronouns and their respective verb forms (see Table 2). In addition, direct speech was changed to indirect speech for the 1st to 3rd person condition to support a natural reading flow in cases where direct speech seemed very unnatural as judged by a native speaker of Dutch (total number of changes made = 8 out of 98 direct speech segments).

Questionnaires for measuring individual differences.

For an estimate of print exposure we used a Dutch version of the Author Recognition Test (ART) [48,51] containing 42 names of which 30 are existent fiction authors and 12 made up names (see S1 Author Recognition Test). In the ART, participants are instructed to read a list of names and indicate which of the writers they know. The score of each participant is computed by subtracting the sum of all incorrect answers from the sum of all correct answers. Total score can vary between -12 (only non-existent author names selected) to 30 (all correct names selected).

In addition, a general reading habits questionnaire was used consisting of 4 items (2 questions addressing amount and frequency of reading for pleasure, 2 questions about genre preferences; RH 1–4 in S1 Statistical Models) supplemented by the 6 items from the fantasy scale of the Interpersonal Reactivity Index (IRI) [52]. IRI is a self-report measure of individual differences in empathy, consisting of 4 subscales. The Fantasy scale of the IRI tests individual readiness to get transported imaginatively into the feelings and actions of fictive characters in books, movies, and plays. For the 6 items from the IRI Fantasy scale we used a 7-point scale ranging from ‘I totally agree’ (= 7) to ‘I totally disagree’ (= 1). The items of the reading habit questionnaire consisted of ‘How often do you read fiction?’ with five possible answers ranging from ‘daily’ to ‘never’, ‘How many books do you read per year?’ also with five possible answers ranging from zero to ‘more than 1 per month’, ‘Which type of fiction do you prefer?’ with 5 options including ‘prose’, ‘comic’, ‘poetry’, ‘drama’ and ‘I don’t like fiction at all’, and finally a list of 22 popular genres (e.g. ‘horror’, ‘romance’) on which subjects were asked to indicate which they like without number limitations. There was also an option to add genres which were not suggested.

As evidence from recent research suggests a positive relation of fiction reading with social factors such as empathy, interpersonal relations, and social competence (see 12, 3944), we included the Empathy Quotient questionnaire to measure individual differences in empathy (EQ; standardized Dutch version http://www.autismresearchcentre.com/arc_tests) [53].

Questionnaires for main measures.

The immersion questionnaire we used was based on the story world absorption scale (SWAS, [15]) and selected items from the 30-item version of the narrative engagement questionnaire (NEQ) developed by Buselle and Bilandzic [14].We used the attention, transportation, emotional engagement, and mental imagery subscales from SWAS and in addition the narrative understanding subscale from NEQ, as this is not covered by SWAS. Our questionnaire comprised of 34 items (see S1 Immersion questionnaire). Participants responded to the items on a 7-point Likert scale ranging from 'I totally disagree’ (1) to 'I totally agree' (7).

Appreciation was measured in two ways. First appreciation directly after reading each story (Rating) was measured by asking the participants to indicate how much they liked the story on a 10-point scale (1 = bad, 10 = brilliant). The exact wording was ‘Wat vind je van dit verhaal?’ (What do you think of this story?). For the second appreciation measure (Ranking) participants were provided with a list of titles of the stories and were asked to rank them in order of appreciation with the one they liked the most on top and the one they like the least at the bottom.

To test whether participants paid attention to each story, we prepared 1 content question per story, which participants answered in a multiple choice task with 3–4 alternatives of which only one was correct (see S1 Story Summaries and Content Questions). Each question indicated clearly to which story it belonged. Participants who answered more than 25% of questions incorrectly were excluded from the analysis.

Procedure

Participants were seated in a soundproof testing cabin with a bright ceiling light, a desk lamp with two brightness levels, and a window with blinds. They were encouraged to adjust the light to personal preference and to make themselves as comfortable as possible sitting at a desk with a stable chair. The aim was to create a relaxed atmosphere with a natural reading situation. After explaining the cycle of tasks, participants gave written informed consent and the EDA sensor was attached (for details see below).

The experiment was pen and paper based. To make relevant comments and set markers in the recording file of the EDA, participants were asked to indicate every time they started and finished reading a story.

A practice trial was performed with one story to familiarize participants with the setting and order of events within a trial. The story from the practice trial was not used in the main part of the experiment. The practice task took about 10 minutes, leaving the EDA sensor time to adjust to body temperature.

The experiment was conducted as a block design consisting of 2 blocks, with 4 stories per block. The block design was chosen to avoid potential switching costs between the two perspectives. There was no repetition of story per participant: each participant read every story only once, meaning that they read eight different stories in total. Within each block participants were presented with stories in one condition, either 1st or 3rd person pronouns referring to the main character. Both blocks took place consecutively with 10 minutes break in between. Block order was counterbalanced across participants. Participants rated every story for appreciation and completed the Immersion Questionnaire directly after reading of each story. The stories were presented in black font (Calibri, 14pt.) on white paper (A4, landscape orientation, 2 pages per sheet, printed one sided).

After reading all stories, participants ranked the stories for appreciation and answered the content questions. This was followed by the general reading habits, ART, and EQ questionnaires.

Once participants finished the experiment, they were asked what they thought the experiment was about and whether they recognized anything specific about the selected stories or a significant change between the two blocks. This was followed by a verbal debriefing, which informed them about the research question, the experiment, and our expectations. The entire experiment took approximately 90 minutes.

Data acquisition

We measured EDA with BrainAMP ExG MR, Acceleration Sensor (Brain Products, www.brainproducts.com), and Ag/AgCI sensor electrodes (Model F-EGSR, Grass Technologies). The signal was recorded with Brain Vision Recorder (Brain Products) at a sampling rate of 5000Hz for the first 8 participants and 1000Hz for all others, with low cut-off DC and high cut-off 1000Hz. The reason for decreasing the sampling rate was to reduce unnecessary memory requirements and processing time in the data analysis as we were not interested in high-frequency components of the EDA signal. No other filters were applied to the signal. Sensor electrodes for EDA were placed at the middle phalanx of the index and middle finger of the non-dominant hand (right hand for 4 people).

Questionnaire data were acquired with pen and paper, and later digitized manually.

Data analysis

EDA.

EDA signal processing was done with Matlab R2013a (MathWorks, Natick, MA, USA). The data were segmented into individual trials. Each trial was defined from the onset to the offset of reading a story. Trials with recording errors (e.g. data not saved to disk) were replaced with NaNs (out of 416 trials 13 were missing, meaning 3.1% of missing values). Linear trend was removed from time courses (‘de-trending’) and data were resampled to 100 Hz. To correct for the time at the beginning or end of each trial when participant’s movement tended to create artefacts in the EDA signal, we removed three seconds from the beginning and end of each trial.

Number spontaneous fluctuation in amplitude were computed using a peak detection algorithm in which peaks are defined as local maxima surrounded by valleys (Eli Billauer, 3.4.05, see http://www.billauer.co.il/peakdet.html; d = 0.15). This algorithm picks out peaks very well, across a range of settings. We used the number of peaks for statistical comparisons, because they reflect spontaneous fluctuations, due to increased arousal [43]. We ignored valleys in the analysis because only little is known about local minima in arousal besides habituation effects. Analysing the number of peaks in EDA is not a standard measure such as area under the curve or absolute amplitude changes relative to a baseline. Because of our experimental design which focused on the naturalness of the reading situation, the trials are relatively long and differ substantially in length. This means that we cannot time lock the EDA response to certain events which would be crucial for types of analysis based on amplitude or amplitude dependent measures.

Questionnaire Data.

There were 87 missing values in total (0.67% of all responses), which occurred when a participant did not tick the scale for one item or when the marking was ambiguous. Missing values were replaced with the variable mean. Data points were averaged for each subscale to compute mean scores for attention, transportation, emotional engagement and mental imagery (SWAS), and narrative understanding (NEQ).

The content questions were checked for correctness. Two items were answered incorrectly by more than 25% of participants indicating unexpected difficulty and were therefore not included in the evaluation. For the remaining 6 questions we defined that more than 1 incorrect answer (= 33.33% or more) led to exclusion of the participant.

The items of the general reading habits questionnaires, and the mean scores of the Fantasy scale, EQ and ART were treated as measures of individual differences.

Statistical Model.

All data were analysed using the statistical software package RStudio v00.96.331 (R Core Team, 2009), using the nlme library for testing linear mixed models [54]. The use of a linear mixed model allows for the inclusion of both participants and stories as random effects [55]. Each of the main measures (Immersion, Rating, Ranking, Peaks) was analysed in a separate model. First, a simple model was constructed to predict each main measure, in which the dependent variable was on the intercept, and order of conditions, pronoun type, and whether the stories were the original or the modified version were used as fixed effects. Story and participant were included as random effects in all models. In addition, a variation of this model including random slopes for participants and stories was constructed. A model comparison between the model only including random intercepts and the model including random intercepts and slopes was used to select the model with the better fit to the data. For each main measure, we constructed a second model to which we added individual differences measures, namely gender, ART score, EQ score, the score from the IRI Fantasy scale and the four question responses regarding reading habits. All numerical predictors for individual differences (EQ, ART) were centred. To test for correlations between the dependent measures, we constructed an additional model for the EDA and the appreciation measures with adding the other dependent variables as factors. In order to rule out that differences in the number of peaks between conditions are a result of different reading times in both conditions, we constructed a control model for the analysis of EDA data. The model was identical to the statistical model used for the analysis of number of peaks, with ‘duration’ as dependent variable instead of peaks.

P-values for specific effects were obtained by a model comparison procedure with asymptotic chi square distribution. We only used the full model including individual differences for exploring the subscales of the immersion questionnaire. The models and the original code can be found in S1 Statistical Models.

Results

Here we report the results of the following main measures: Immersion, Rating, Ranking, and EDA. In addition, as immersion is a multidimensional concept, we analysed the standardized subscales of the immersion questionnaire separately in order to get a better understanding of which factors of immersion are affected by pronoun type, e.g. it is more likely that subscales directly related to the protagonist are more sensitive with regards to the main manipulation. Finally, we relate individual difference measures including EQ, ART, reading habits, and the score on the fantasy scale of the IRI to the main measure to explore their contribution to explain the variance.

Individual Difference measures

Participants scored on the EQ (Empathy Quotient) questionnaire within the normal range and distribution on the standardized EQ (mean = 40.50, sd. = 11.69, min = 17, max = 63).

In the ART (Author Recognition Test) questionnaire, participants scored on average 6.50 writers (out of maximal 30; sd. = 4.30, min = 0, max = 22).

On the general reading habits items, participants indicated that they read on average once per week, ranging from daily to never (48.1% don’t read regularly, 5.8% never read, 17.3% read once per week, 21.2% read more than twice per week, and 7.7% read daily). Most participants read 3–10 books per year (34.6%), 26.9% read less than 3, 1.9% does not read at all, and 13.5% read at least 1 book per month (23.1% more than that).Regarding literature type preferences, 78.8% of participants indicated that they prefer prose. On average, participants checked 5.7 genres (s.d. = 2.02, minimum = 3, maximum = 11). On the Fantasy scale, participants scored on average 4.7 (s.d. = 0.81, minimum = 3.00, maximum = 6.83).

Immersion

We first report the results of averaging over all questions in the immersion questionnaire. The findings for separate subscales follow below. The best model fit was produced when only including random intercepts for Immersion. Stories with 3rd person pronouns showed lower scores on the immersion questionnaire than stories with 1st person pronouns (β = -0.16, s.e. = 0.08, t = -1.98, p < 0.05, see Fig 1, see S1 Statistical Models: modela2). From all individual difference measures, only EQ contributed significantly to the model (β = 0.022, s.e. = 0.01, t = 2.57, p < 0.05), meaning a higher EQ score predicts a higher immersion score (see S1 Statistical Models modelFULLimmersion).

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Fig 1. Immersion scores in stories with 1st and 3rd person pronouns referring to the protagonist.

Participants on average scored higher on the immersion questionnaire when reading 1st person pronoun narratives compared to 3rd person pronoun narratives. Error bars represent 95% confidence intervals.

https://doi.org/10.1371/journal.pone.0154732.g001

The best model fit was produced when only including random intercepts for the attention subscale of the immersion questionnaire. The model did not show an effect of pronoun type (β = -0.14, s.e. = 0.10, t = -1.45, p = 0.15, see). The EQ score however, explains a significant part of the attention scores likewise as for the overall immersion scores (β = 0.02, s.e. = 0.01, t = 2.03, p < 0.05, see S1 Statistical Models modelATT), meaning that a higher EQ predicts higher levels of attention during reading.

The best model fit was produced when only including random intercepts for the transportation subscale. Here, we observe an effect of pronoun type (β = -0.22, s.e. = 0.08, t = -2.66, p < 0.01, see Fig 2) showing that transportation scores were significantly higher when participants read stories with 1st person pronouns. Again, EQ scores show an effect in the same direction as above (β = 0.03, s.e. = 0.01, t = 2.08, p < 0.05, see S1 Statistical Models modelTRA), meaning that a higher EQ predicts higher levels of transportation during reading.

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Fig 2. Subscales of the immersion questionnaire.

The subscales were emotional engagement, narrative understanding, transportation, attention, and mental imagery. Differences between stories with 1st and 3rd person pronouns referring to the protagonist were significant for the transportation and the mental imagery subscale.

https://doi.org/10.1371/journal.pone.0154732.g002

The best model fit for the emotional engagement subscale data was produced when including both random intercepts and random slopes for participants and stories. Pronoun type shows no effect on the emotional engagement subscale (β = -0.11, s.e. = 0.17, t = -0.67, p = 0.50, see Fig 2). None of the individual differences measures contributed to the model (see S1 Statistical Models modelEMO).

The best model fit was produced when only including random intercepts for the mental imagery subscale. The model shows an effect of pronoun type, indicating that less mental imagery occurred in stories with 3rd person pronouns compared to 1st person pronoun stories (β = -0.21, s.e. = 0.10, t = -2.20, p < 0.05, S1 Statistical Models modelIMA, see Fig 2). None of the individual differences measures contributed to the model.

The best model fit was produced when only including random intercepts for the narrative understanding subscale. There was no effect of pronoun type (β = -0.09, s.e. = 0.10, t = -0.90, p = 0.37, see S1 Statistical Models modelUND, see Fig 2). None of the individual differences measures contributes to the model.

Rating

The best model fit was produced when only including random intercepts for Rating. Rating is the only measure for which we observe an effect of text modification. Stories which were not modified for the experiment were rated better than stories which were modified (β = -0.33, s.e. = 0.15, t = -2.27, p < 0.05, see S1 Statistical Models modelb3). There was no effect of pronoun type (β = -0.18, s.e. = 0.14, t = -1.24, p = 0.22). In addition, we see that Immersion shows a highly significant effect as a predictor of Rating (β = 1.18, s.e. = 0.07, t = 16.87, p < 0.001, see S1 Statistical Models modelALLrate), indicating that higher degrees of immersion lead to higher rating scores. Finally, in the model including individual difference measures we see that ART shows an effect on Rating (β = 0.12, s.e. = 0.05, t = 2.37, p < 0.05; see S1 Statistical Models modelFULLrate), meaning that the ART score partly explains the rating data, whereby a higher ART score predicts higher rating.

Ranking

The best model fit was produced when only including random intercepts for Ranking. The effect of pronoun type for Ranking is significant at p = 0.06 (β = 0.39, s.e. = 0.21, t = -1.87, p = 0.06, see S1 Statistical Models modelc3, Fig 3). None of the individual difference measures contribute to the model (see S1 Statistical Models modelFULLrank). Immersion shows a highly significant effect as a predictor of Ranking (β = 0.59, s.e. = 0.14, t = 4.35, p< 0.001, see S1 Statistical Models modelALLrank).

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Fig 3. Effect of Pronoun type on ranking of the stories for appreciation.

The effect of pronoun type on appreciation of stories as measured by ranking of all stories by how much participants liked them was statistically at p = 0.06. Note that Ranking is a non-normally distributed variable, so medians are plotted instead of means. Error bars represent 95% confidence intervals.

https://doi.org/10.1371/journal.pone.0154732.g003

EDA

The best model fit for the EDA data was produced when including both random intercepts and random slopes for participants and stories. Pronoun type shows an effect on the EDA measure meaning that stories with 3rd person pronouns showed a higher number of peaks in the EDA signal compared to 1st person pronoun stories, a difference which almost reached statistical significance (β = 1.04, s.e. = 0.55, t = 1.89, p = 0.06, see S1 Statistical Models modeld2slopes, Fig 4). None of the individual differences measures contributed to the effect (see S1 Statistical Models modelEDA_FULL), and neither did any of the other dependent variables show a significant link with the number of peaks in the EDA signal (see S1 Statistical Models modelEDA_ALL).

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Fig 4. Peaks in EDA during reading stories with 1st and 3rd person pronouns referring to the main character.

Number of peaks and valleys were computed using a peak detection algorithm in which peaks are defined as local maxima surrounded by valleys (d = 0.15). Number of peaks was significantly higher when participants read 3rd person compared to 1st person pronoun stories at p = 0.06. Error bars represent 95% confidence intervals.

https://doi.org/10.1371/journal.pone.0154732.g004

The control model with durations instead of peaks as dependent variable showed no effect of pronoun type (β = 1138, s.e. = 2191, t = 0.52, p = 0.60, see S1 Statistical Models model_duration).

Discussion

The present study investigated the impact of personal pronouns referring to protagonists on readers’ engagement with literary stories. Participants read short stories from Dutch literature in which either 1st or 3rd person pronouns referred to the main character, whose viewpoint the story is narrated from. Electrodermal activity (EDA) was measured while participants read the stories. After reading each story, participants rated the story and filled out an immersion questionnaire. Finally, we asked participants to rank all stories for liking and collected several measures of inter-individual difference such as EQ score and prior print exposure.

The results show that stories with 1st person pronouns lead to higher levels of overall immersion as measured by the questionnaire, which is in line with our predictions. We qualified this general difference by investigating the subscales of the immersion questionnaire. The effect of pronoun was present in the subscales transportation and mental imagery, again with 1st person pronouns leading to higher scores. Additionally, we observed a relation between the scores on the immersion questionnaire and appreciation of a story. This shows that a story in which a participant scores high on immersion also receives a higher score in the appreciation rating and the story is more likely to be ranked high for appreciation. The relation between immersion and appreciation confirms the link between immersion and enjoyment of reading, as suggested earlier, e.g. [14,11]. In addition, our results suggest that people who score high on the EQ questionnaire also seem to get immersed more easily. Interestingly, the effect of our second major dependent measure, EDA during reading, showed an effect in the opposite direction. Here we observe more peaks in the EDA signal when participants read stories with 3rd as compared to 1st person pronouns, which is contrary to the direction of the effect in the scores of immersion and the appreciation measures. EDA is a measure for arousal, which can reflect emotional response, increased mental workload, and startle [43], thus there may be several reasons for observing more peaks in the EDA signal when participants read stories with 3rd person pronouns. We want to point out that the direction of the effect in the EDA signal was not expected and that the following interpretation is post hoc. Moreover, the effect on EDA peaks was not large, and we interpret this finding with caution.

An obvious explanation is that the peaks in the EDA in fact reflect the level of immersion and emotional engagement (suspense) with the story and that the online measure of arousal is a better indicator of immersion. This would mean, however, that all behavioural measures used in this experiment are completely off. We consider this possibility unlikely given their status as standard measures [14,15] and the limited knowledge we have regarding EDA measures in experiments with longer trials.

Another possible explanation is related to embodied cognition accounts, according to which language is processed in 1st person perspective by default, e.g. [56]. According to this view, linguistic input in 1st person perspective like with 1st person pronouns is already tailored to the cognitive system and promotes processing by decreasing mental workload. This means that language in 1st person perspective can be processed directly by mapping information to the relevant modalities in way similar to a 1st person experience. Language in 3rd person perspective on the other hand requires additional processing before integration of information can take place. That means that 3rd person linguistic input has to be ‘translated’ to fit a 1st person experiencing system. Those additional processes could for example comprise a form of 'translation' of the information by transposition and mapping information to the reader’s perceptual system. Those additional processes require cognitive resources and effort, which can potentially be reflected in an effort effect in the EDA signal. This interpretation is supported by the fact that we do see the effect of the pronoun manipulation in the story- or plot-related components like transportation and mental imagery of the immersion questionnaire, while this was not the case for the directly related to the character emotional engagement component, which was not affected by choice of personal pronoun. This suggests that the effect we observe in the EDA is not related to 'social perspective taking' or emotional response, but rather showing an effect of decreased processing demands for 1st person perspective. This interpretation supports accounts which claim that language in 1st person perspective has processing benefits as compared to language in 3rd person perspective, e. g. [9,56]. However, we want to be cautious with this interpretation as we do not observe an effect of pronoun type in the understanding and the attention components of the immersion questionnaire. This is likely due to the fact that the self-reported questionnaire taps into a different level of comprehension, but with the present data we are not able to distinguish clearly between different levels of comprehension.

Alternatively, the difficulty effect could also reflect natural perspective shifts, which are typical for narratives with internal focalization with 3rd person pronouns referring to the character [57]. This means that perspective shifts in comprehension occur with several characters and not only with the protagonist. The reader steps in the shoes of the characters when trying to understand information about them, but otherwise processes the narrative from the perspective of an observer or another character. Those perspective shifts lead to increased processing cost. With 1st person narration, the perspective of the narrator is identical to the protagonist from whose viewpoint the events are constructed, whereas with 3rd person narrative and internal focalization, the viewpoint remains with the character, but now the story is presented by a (presumably) absent narrator. While it is intuitive that the 1st person narrative has more "immediacy" and might promote identification (see also[58], the mechanism behind this is unclear.

Another potential explanation for the direction of the EDA effect relates to the scope of anticipation people do in language comprehension. While for a 1st person perspective simulation it is only necessary to anticipate from the viewpoint of one character (and his or her understanding of other characters), an observer in the 3rd person perspective is likely to anticipate from multiple viewpoints and potentially takes the perspective of multiple characters into account, keeping information from other characters active. This is clearly illustrated when we think about watching a horror movie: people are already excited or even scared before something is about to happen and feel the urge to warn the protagonist, e.g. since Alfred Hitchcock's famous shower scene in 'Psycho' we anticipate a terrible incident as soon as the camera is depicting a remarkably ordinary scene for just a bit too long. In such cases, the respective character however is not scared at all, because he or she only anticipates from his/her very own viewpoint. The reason for this is because we do not only take the perspective of the protagonist, but also the perspectives and motivations of other characters and the narrator (in this case the director) into account and make predictions based on our knowledge about the story (e.g. genre) or its characters. However, we know little about which type of information readers anticipate and if the perspective of multiple characters is taken into account. Future research is needed to test this objective. The last three potential explanations of the EDA effect are not mutually exclusive and it is likely that an interaction of all three causes leads to the observed effect. In contrast, the first explanation which argues for an effect of stronger immersion for 3rd person stories is not compatible with the other three alternatives.

We have shown that personal pronouns can indeed be a crucial factor in how readers experience fiction. However, personal pronouns are only one possible facet of narrative viewpoint and narrative perspective. Whether the effects we observed can be generalized across several features of narrative style remains an open question (see [33], chapter 7 for discussion). Our results show that readers are more easily immersed when reading 1st person stories, as proposed by narrative theory, e.g. [18]. We add to this assumption not only by providing experimental evidence, but also, we could show that the difference in processing 1st or 3rd person viewpoints in story engagement mainly relates to arousal and immersion, particularly transportation and experiencing mental imagery during reading. Further, our study adds to the field of discourse comprehension by showing that 3rd person pronouns as discourse anchors seem to induce increased processing demands as compared to 1st person pronouns, which in turn could account for lower immersion. This finding can be interpreted as evidence in support of embodied models of language processing. In addition, this study confirms the link between immersion and appreciation of the story and reveals evidence that appreciation of stories is positively linked to prior reading experience as measured by the ART. Moreover, our study confirms previous findings that individual differences in empathy skills (as measured by the EQ) are related to subjective experience during reading [46,47,49,50]. A remaining issue is whether pronouns are a major force in driving narrative perspective. It could be that people tend to identify with the character from whose viewpoint the story is told (see [25], which is independent of pronoun choice. As all stories we selected were internally focalized, the main character always told the story from his or her perspective. Another very plausible reason is variability between individuals. It has been shown that subjects differ substantially in perspective taking preferences [59]. Textual features such as personal pronouns are not always sufficient to overcome personal preferences [59]. Future research is needed to confirm our findings on other levels of discourse.

Acknowledgments

We want to thank José Sanders, Hans Hoeken, and Frank Hakemulder for their input to the project. Further we thank Emy Koopman for providing us with a Dutch version of the Author Recognition Test, Louise Schubotz for advice with the statistical analysis, and Laura Arendsen for helping with the stimulus material. Finally, we are grateful for the suggestions by Peter Dixon to an earlier version of the manuscript.

Author Contributions

Conceived and designed the experiments: FH PH RW. Performed the experiments: FH. Analyzed the data: FH RW. Wrote the paper: FH MB PH RW.

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