From: Implementing new technologies in a middle school curriculum: a rural perspective
 |  | Pre-test | Post-test |  |  | ||
---|---|---|---|---|---|---|---|
N | Mean | SD | Mean | SD | Sig | Effect Size | |
Solenoid Unit Participants | 150 | 2.32 | 3.002 | 2.82 | 2.737 | .003 | .036 |
Contrast Participants | 100 | 3.02 | 2.395 | 2.27a | 1.911 | Â | Â |