Table 2.
Actual a | ‘Significant’ (n = 65) | ‘Non-significant’ (n = 68) | (z-value) p-value | Effect size | |
---|---|---|---|---|---|
N | 38 | 60 | 50 | (z =-0.90) p = .37 | r = -.08 |
M group1 | 712 | 150 | 150 | ||
M group2 | 676 | 120 | 118 | ||
Mdiff | 36 | 50 | 10 | (z =-2.48) p = .013 | r = -.21 |
SD group1 | 83 | 10 | 5 | ||
SD group2 | 95 | 8 | 5 | ||
Cohen’s d | 0.79 | 0.70 | 0.20 | (z =-4.16) p < .001 | r = -.36 |
Note: a The actual study reported a significant effect.