Table 4.
Ratings of goals for laboratory experiments (on a scale of 1 to 4)
Category | Pretest M(SD) | Posttest M(SD) | Post-pre difference |
---|---|---|---|
a. Inquiry lab goals | 3.43 (0.4) | 3.48 (0.35) | 0.05 (0.33) |
b. Structured lab goals | 3.64 (0.3) | 3.49 (0.42) | − 0.15 (0.29) |
Posttest-pretest differences by groups | |||
Category | Experienced (N = 26) | Novice (N = 15) | Statistical test |
a. Inquiry lab goals | − 0.01(0.29) | + 0.17 (0.37) | t = 1.71, p = 0.096 |
b. Structured lab goals | − 0.15(0.26) | − 0.15 (0.35) | No difference |