Classification of students’ explanations.
| Type | Thermal equilibrium N(%) | Thermal expansion N(%) | |
|---|---|---|---|
| Scientific explanation | 33 (34.4) | 12 (13.2) | 14.733 (0.0001 |
| Non-scientific explanation | 38 (39.6) | 60 (65.9) | |
| Misconception | 25 (26.1) | 19 (20.9) | |
| Sum | 96 (100) | 91 (100 |
***p < .001