Table 3.

Power for regression coefficient predicting post-training score on S-items from observed increase in earnings on the learning task. Power varies with number of participants (N), proportion of learners (plearn) and Quiz gain at post-training for learners (Quiz gain).

parameters	N = 50	N = 75	N = 100
Quiz gain = 1
plearn = 0	0.02	0.03	0.05
plearn = 0.25	0.19	0.28	0.38
plearn = 0.33	0.28	0.38	0.48
plearn = 0.50	0.28	0.44	0.53
Quiz gain = 2
plearn = 0	0.04	0.03	0.03
plearn = 0.25	0.57	0.73	0.86
plearn = 0.33	0.68	0.84	0.95
plearn = 0.50	0.77	0.89	0.98