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Content validity and internal consistency of the questionnaires
| Questionnaires | Cronbach alpha (> 0.7)a | CVR | CVI |
|---|---|---|---|
| Students' perceptions of their abilities | 0.80 | 0.84 | 0.72 |
| Students' perceptions of the usefulness of the debate for enhancing their skills and capabilities | 0.90 | 0.74 | 0.77 |
| Checklist evaluating students' skills and abilities | - | 0.81 | 0.7 |
aIndicates an acceptable level of reliability or validity [19]
