Table 3 Accuracy before and after discussion by class
Class | Pre-correct (mean) | Post-correct (mean) | SD of difference | Paired t test | Cohen’s d |
|---|---|---|---|---|---|
Cognitive Psych (Psych) 2015 | 0.67 | 0.76 | 0.27 | t (60) = 2.40, p = 0.02 | 0.31 |
Cognitive Psych (Psych) 2017 | 0.65 | 0.73 | 0.21 | t (59) = 2.75, p = 0.007 | 0.36 |
Decision Making (Ed Psych) 2016 | 0.57 | .66 | 0.13 | t (23) = 3.30, p = 0.003 | 0.69 |
Decision Making (Ed Psych) 2017 | 0.71 | 0.75 | 0.13 | t (36) = 1.92, p = 0.06 | 0.32 |
Learning Theories (Ed Psych) 2016 | 0.58 | 0.69 | 0.06 | t (11) = 5.76, p < 0.001 | 1.74 |
Learning Theories (Ed Psych) 2018 | 0.57 | 0.61 | 0.09 | t (13) = 2.00, p = 0.07 | 0.56 |
Overall | 0.65 | 0.72 | 0.20 | t (212) = 5.39, p < 0.001 | 0.37 |