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Table 2 Number of items, number of students, mean, standard deviation and the Cronbach alpha for each factor and the scale from Group 2 data

From: Enhancing students’ learning in problem based learning: validation of a self-assessment scale for active learning and critical thinking

Factors n items n students Mean SD Alpha
Critical Thinking 8 238 4.8 1.3 0.84
Active learning 6 238 5.4 1.1 0.81
Total 14 238 5.1 1.3 0.89