Table 3 Descriptive statistics of the achievement test
From: Learning science through a collaborative invention project in primary school
Test | Non-physics invention group | Physics-intensive invention group | ||||
|---|---|---|---|---|---|---|
N | M | SD | N | M | SD | |
Pretest | 18 | 1.85 | 1.30 | 28 | 2.51 | 1.35 |
Posttest | 20 | 2.11 | 1.02 | 26 | 3.26 | 1.19 |