Iranian Journal of Ergonomics

Introduction: Lack of attention to the ergonomic measures and standards in making PowerPoint slides can result in visual fatigue, less attention to the content of the lecture and lower quality of training. This study aimed to identify the most popular Persian fonts and font sizes used by students in making PowerPoint slides and to investigate the students' subjective perception of the three features of legibility, formality and attractiveness of these fonts.

Materials and Methods: At first, five most widely used Persian fonts in providing PowerPoint slides were identified in 84 students from Tehran University of Welfare and Rehabilitation Sciences. Then, ten slides were prepared containing simple and familiar sentences based on the five popular fonts and two Different font sizes (24 and 28). Afterwards.40 college students evaluated the eligibility, formality and attractiveness of the fonts and font sizes used in each slide by a seven-item Likert scale. 

Results: One-way ANOVA Revealed significant differences between the students' subjective perception of legibility, formality and attractiveness of the fonts used in the slides. In terms of eligibility and attractiveness, slide 10 (B Titr, 28) was top rated and slide 4 (lotus, 24) was ranked as lowest by the participants. In terms of eligibility and attractiveness, slide 10 (B Titr, 28) was top rated and slide 4 (lotus, 24) was ranked as lowest by the participants.