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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