Fig 1.
Research timeline of the two-stage study presented in this paper.
Fig 2.
Target mobile application (Korean text in the app screenshots has been translated to English for reader’s understanding).
Table 1.
List of tasks presented to the study participants.
Table 2.
Measurement variables used in this study and their operational definitions.
Table 3.
Survey results obtained using a 7-point Likert scale.
Table 4.
Results of heuristic evaluation.