Table 3 Perceptions of the NOS: Scientific Knowledge (N = 225)
From: Bhutanese science teachers’ perceptions of the nature of science: a cross-sectional study
Items | Response (%) | ||
|---|---|---|---|
| Â | Agree | Uncertain | Disagree |
Item 1: Hypotheses are developed to become theories only | 38.8 | 21.0 | 40.2 |
Item 2: Scientific theories are less secure than laws | 39.6 | 24.4 | 36.0 |
Item 3: Scientific theories can be developed to become laws | 77.7 | 12. 5 | 9.8 |
Item 4: Scientific knowledge cannot be changed | 15.1 | 12.1 | 72.8 |
Item 8: Accumulation of evidence makes scientific knowledge more stable | 96 | 1.8 | 2.2 |
Item 9: A scientific model (e.g., the atomic model) expresses a copy of reality | 71.6 | 18.2 | 10.2 |