Table 1. Validity of the Questionnaires in the Portfolio Activities
Activity Questionnaire No. Items Factor Load Cronbach’s alpha One component variance* Second component variance*
Lower Higher
Course Evaluation and Learning (CEL) Course Evaluation Questionnaire 6 0.641 0.858 0.805 52.39% 16.13%
Self-Efficacy Activity (SEA) Self- Evaluation Questionnaire 8 0.592 0.879 0.764 52.8% 19.6%
Free Reflective Writing (FRW) REFLECT rubric 5 0.639 0.904 0.850 64.1% 18.8%

*The second variance component expresses how much the addition of one more component contributes to explaining the total variance of the questionnaire. The factor loading was calculated using principal components analysis.

Int J Med Educ. 2020; 11:37-46; doi: 10.5116/ijme.5e2a.fa68