Table 2
Two-tailed analyses
Alpha (%)
ES
Dropout rate (%)
Final total sample size (four groups)
Power of 80%
5
0.78
15
124
Power of 85%
5
0.78
15
142
Power of 90%
5
0.78
15
165
Power of 80%
5
0.78
20
130
Power of 85%
5
0.78
20
148
Power of 90%
5
0.78
20
172
ES, effect size.