Peer Review History
| Original SubmissionAugust 13, 2024 |
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Dear Dr. Rahman, Thank you for submitting your manuscript to PLOS ONE. After careful consideration, we feel that it has merit but does not fully meet PLOS ONE’s publication criteria as it currently stands. Therefore, we invite you to submit a revised version of the manuscript that addresses the points raised during the review process. Please submit your revised manuscript by Mar 29 2025 11:59PM. If you will need more time than this to complete your revisions, please reply to this message or contact the journal office at plosone@plos.org . When you're ready to submit your revision, log on to https://www.editorialmanager.com/pone/ and select the 'Submissions Needing Revision' folder to locate your manuscript file.
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Is the manuscript presented in an intelligible fashion and written in standard English??> Reviewer #1: Yes Reviewer #2: Yes ********** Reviewer #1: Authors have done very well in the preparation of this manuscript and the execution of their study and I would like to congratulate them on their work. I also admire that the manuscript made an effort to explain the machine learning methods used to the readers and not simply assume they are familiar with them. I also found it interesting how two different feature selection methods were used. Although, I have noticed some machine learning models that are applicable to multi-class outcome variables that were not fitted in this study. Namely, gradient boosting machines, K-nearest neighbour and neural networks. Is there a reason they were omitted? No reason was provided in the manuscript. I would advise that the authors either fit these models and incorporate the results of fitting these models into the paper, or provide concrete reasons why they cannot be. For instance, if they were omitted due to space or word constraints, or if they were omitted for technical reasons, this should be mentioned. Furthermore, the authors do not mention the limitations of this study, when there are a few. For instance, the fact that a convenience sample was used suggests that the results could be based on unrepresentative data. Many people are unwilling or unable to participate in surveys, after all. The fact the data was obtained from an online survey may have also skewed the sample towards containing participants more likely to have an internet addiction in the first place. Likewise, the fact that participants recruited their acquaintances to participate may have skewed the results too, as it is conceivable that people with signs of internet addiction are more likely to have friends that share this affliction. The fact the models had, at best, a 53.1% prediction accuracy could also be discussed as a limitation. As could the limited number of models used, unless this is addressed by the authors in the next revision. In section 2.1, there are also a couple of oversights. The categorization of weight status based on BMI scheme mentioned does not provide a reference, which it should. And I can find at least one source (https://www.who.int/data/gho/data/themes/topics/topic-details/GHO/body-mass-index?introPage=intro_3.html) that suggests that the World Health Organization uses BMI<18.5kg/m^2 as the cut-off for underweight, not BMI<20 kg/m^2. It also does not specify how participants' weight statuses were classified when BMI equalled the cut-off values of 20 kg/m^2 (below which was designed as underweight and above which was designed as normal weight) and 25 kg/m^2. Ideally, this manuscript should specify how people with a BMI of 20 kg/m^2 and 25 kg/m^2 were categorized, not just those with a BMI of above or below these values. One question that arose while reading the study was why the multi-categorical outcome variable of internet addiction severity was used instead of the quantitative internet addiction score. Was this choice made purely for novelty, or were there other considerations? It is conceivable that since the internet addiction score variable can take on a broader range of different values, it may contain more information that the models can learn from than the internet addiction severity categorical variable, and hence it may have greater predictive power. It is also important to note that the data does not support the first sentence of the Conclusion section. Namely, "The study results highlight a concerning rise in IA among university students in Bangladesh, posing significant risks to mental health, academic performance, and future professional careers." The use of a convenience snowball sample means that the data cannot reliably determine the prevalence of internet addiction among Bangladeshi university students or whether it is increasing. The manuscript also does not discuss potential opportunities for further research arising from this work, which should ideally be included. Lastly, it would be helpful to include a table comparing the demographic breakdown of the sample to that of all Bangladeshi university students at the time of the study (or at least the universities sampled). This would allow readers to assess how representative the sample is. This is, of course, assuming that data on the demographic breakdown of all Bangladeshi university students is available (such as from Bangladesh's statistics bureau, or from the country's department of education). Reviewer #2: Dear Editor in the Plose ONE Thank you for your invitation to review manuscript Introduction comment 1: The definition of Internet Addiction (IA) is comprehensive, but the sentence "This leads to minimizing offline time..." could be restructured for better readability. Consider breaking it into two sentences for clarity. Example: "IA is defined as the inability to control the urge for excessive internet use. This often results in reduced offline activities and significant anxiety or aggression when internet access is restricted." comment 2: The transition between the global context and Bangladesh-specific data could be smoother. Consider introducing the Bangladesh context with a linking sentence like, "This global phenomenon is also evident in Bangladesh, where..." comment 3:The impact of IA on academic life is repeated in multiple places. You might consolidate these points for better focus and avoid redundancy. comment 4: The comparison of internet usage time ("extra 0.64 hours per session...") could be more impactful with context or comparison to average usage. comment 5: The connection between IA's effects and the Sustainable Development Goal (SDG) 3 is significant but could be made more prominent. Expand slightly on how addressing IA aligns with SDG 3 goals. comment 6: The introduction of ML techniques is clear, but the connection between their use and the problem at hand could be stronger. Add a brief explanation of why ML techniques are uniquely suited for this analysis. comment 7: Use consistent terminology, such as "university students" instead of alternating between "students" and "university students." comment 8: Ensure all acronyms like ML, IA, DT, RF, SVM, and LR are clearly defined when first mentioned. Data Sources and Study Design Clarity: The use of "snowball sampling" and "convenient sampling" together might confuse readers. Clarify whether both techniques were employed or if these terms are used interchangeably. Inclusivity of Data: Provide more details on the diversity of universities (e.g., public vs. private, regional distribution) to give context to the generalizability of findings. IA Categorization: The binary classification for severe IA (Yes/No) is clear, but ensure consistency when explaining the four-level IA categorization. Detail: Some variables, like "university affiliation" and "involvement in household chores," could benefit from further clarification. While WHO standards are used, consider mentioning the cultural or regional relevance of BMI categories in Bangladesh for context. Clarity: The explanation of score ranges is clear, but consider mentioning why Young's IAT was chosen and its cultural validity in Bangladesh. Scoring: When explaining severe IA classification, avoid repeating information already stated. Instead, cross-reference earlier sections. The thresholds for depression, anxiety, and stress are well-described, but their relevance to IA could be more explicitly linked. While the mention of psychometric properties is important, providing specific reliability or validity coefficients for the Bangladeshi sample (if available) would strengthen this section. The explanation of the Boruta algorithm is clear, but a brief rationale for its choice over other feature selection methods would be beneficial. Clearly explain how the chi-square test complements the Boruta algorithm in the analysis pipeline. The description of the four ML models is comprehensive but somewhat inconsistent in detail. For instance, logistic regression has less technical explanation compared to others. The use of "1000 decision trees" in RF is good detail. However, mention if hyperparameter tuning (e.g., grid search or random search) was applied to optimize the models. The formulas are essential but could be simplified visually with proper formatting. Consider presenting them as a table or inline equations for better readability. The explanation is clear, but for multi-class classification, mention how individual class ROC curves were combined or averaged. K-Fold Cross-Validation Detail: Specify the value of "k" used in the cross-validation process (e.g., 5, 10) and explain why this value was chosen. Clarity: Highlight how cross-validation ensures model robustness and avoids overfitting, especially when using imbalanced datasets. Discussion The opening effectively highlights the importance of university students to national development and the adverse effects of IA. However, the connection between IA and its long-term impact on growth could be elaborated. Suggestion: Briefly explain how IA hinders academic and innovative capabilities. The identification of significant predictors of IA is well-presented. However, it would help to briefly discuss the implications of each predictor. Highlight why students from specific categories may be more vulnerable. Mention how these factors could be both causes and effects of IA. Briefly mention why this feature selection method was particularly useful for identifying predictors in a multi-class setting. The performance of ML models is clearly described, but the discussion would benefit from: Comparison with Literature: Mention if similar models (e.g., RF, SVM) have been used successfully in IA studies elsewhere. Limitations: Acknowledge the relatively low accuracy (53.1%) of the RF model and discuss potential reasons (e.g., imbalanced data, complexity of IA). Link findings to potential interventions or policies. For example: Policy Implications: "Targeted awareness campaigns in universities, particularly for students from vulnerable backgrounds, could mitigate IA risks." "Incorporating mental health screenings and counseling in educational settings may address underlying factors like depression and anxiety that contribute to IA." The conclusion effectively emphasizes the rise in IA and its consequences. To strengthen it While the ML framework is highlighted, consider elaborating on how ML can directly inform interventions ********** what does this mean? ). If published, this will include your full peer review and any attached files. If you choose “no”, your identity will remain anonymous but your review may still be made public. Do you want your identity to be public for this peer review? For information about this choice, including consent withdrawal, please see our Privacy Policy Reviewer #1: Yes: Brenton Horne Reviewer #2: No ********** [NOTE: If reviewer comments were submitted as an attachment file, they will be attached to this email and accessible via the submission site. Please log into your account, locate the manuscript record, and check for the action link "View Attachments". 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| Revision 1 |
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An illustration of multi-class roc analysis for predicting internet addiction among university students PONE-D-24-30985R1 Dear Dr. Rahman, We’re pleased to inform you that your manuscript has been judged scientifically suitable for publication and will be formally accepted for publication once it meets all outstanding technical requirements. Within one week, you’ll receive an e-mail detailing the required amendments. When these have been addressed, you’ll receive a formal acceptance letter and your manuscript will be scheduled for publication. An invoice will be generated when your article is formally accepted. Please note, if your institution has a publishing partnership with PLOS and your article meets the relevant criteria, all or part of your publication costs will be covered. Please make sure your user information is up-to-date by logging into Editorial Manager at Editorial Manager® and clicking the ‘Update My Information' link at the top of the page. If you have any questions relating to publication charges, please contact our Author Billing department directly at authorbilling@plos.org. If your institution or institutions have a press office, please notify them about your upcoming paper to help maximize its impact. If they’ll be preparing press materials, please inform our press team as soon as possible -- no later than 48 hours after receiving the formal acceptance. Your manuscript will remain under strict press embargo until 2 pm Eastern Time on the date of publication. For more information, please contact onepress@plos.org. Kind regards, Jyotir Moy Chatterjee Academic Editor PLOS ONE Additional Editor Comments (optional): Reviewers' comments: Reviewer's Responses to Questions Comments to the Author Reviewer #1: All comments have been addressed Reviewer #2: All comments have been addressed Reviewer #3: (No Response) ********** 2. Is the manuscript technically sound, and do the data support the conclusions??> Reviewer #1: Yes Reviewer #2: Yes Reviewer #3: No ********** 3. Has the statistical analysis been performed appropriately and rigorously? -->?> Reviewer #1: Yes Reviewer #2: Yes Reviewer #3: I Don't Know ********** 4. Have the authors made all data underlying the findings in their manuscript fully available??> The PLOS Data policy Reviewer #1: Yes Reviewer #2: Yes Reviewer #3: No ********** 5. Is the manuscript presented in an intelligible fashion and written in standard English??> Reviewer #1: Yes Reviewer #2: Yes Reviewer #3: No ********** Reviewer #1: I believe the authors have addressed my feedback very well. I have noticed that the titles of figures and tables do not always end in a full stop (or period). This is the case for Table 1, Figure 1, Table 2 and Figures 3-8. Reviewer #2: Accepted. no need more revision. Thank you for submitting your manuscript. Based on my assessment, I have no specific concerns regarding research ethics, dual publication, or related publication ethics issues. The manuscript appears to adhere to standard ethical guidelines for academic research and publishing. Reviewer #3: The paper does not adhere to the required formatting guidelines and appears to be neither properly structured nor compliant with the specified submission standards. I recommend reviewing the formatting instructions carefully and revising the document accordingly to ensure it meets the expected academic and presentation criteria. ********** what does this mean? ). If published, this will include your full peer review and any attached files. If you choose “no”, your identity will remain anonymous but your review may still be made public. Do you want your identity to be public for this peer review? For information about this choice, including consent withdrawal, please see our Privacy Policy Reviewer #1: Yes: Brenton Horne Reviewer #2: No Reviewer #3: No ********** |
| Formally Accepted |
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PONE-D-24-30985R1 PLOS ONE Dear Dr. Rahman, I'm pleased to inform you that your manuscript has been deemed suitable for publication in PLOS ONE. Congratulations! Your manuscript is now being handed over to our production team. At this stage, our production department will prepare your paper for publication. This includes ensuring the following: * All references, tables, and figures are properly cited * All relevant supporting information is included in the manuscript submission, * There are no issues that prevent the paper from being properly typeset You will receive further instructions from the production team, including instructions on how to review your proof when it is ready. Please keep in mind that we are working through a large volume of accepted articles, so please give us a few days to review your paper and let you know the next and final steps. Lastly, if your institution or institutions have a press office, please let them know about your upcoming paper now to help maximize its impact. If they'll be preparing press materials, please inform our press team within the next 48 hours. Your manuscript will remain under strict press embargo until 2 pm Eastern Time on the date of publication. For more information, please contact onepress@plos.org. If we can help with anything else, please email us at customercare@plos.org. Thank you for submitting your work to PLOS ONE and supporting open access. Kind regards, PLOS ONE Editorial Office Staff on behalf of Mr. Jyotir Moy Chatterjee Academic Editor PLOS ONE |
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