Table 3.

Repeated measures analysis of variance.

	Pretest				Posttest						Follow-up
Group gender	Mean	SD	F	P	d	Mean	SD	F	P	d	Mean	SD	F	P	d
Treatment	38.00	4.54	0.008	0.930	0.03	76.10	8.45	126.402	<0.001	5.28	76.16	8.46	112.226	<0.001	5.25
Control	37.86	4.52				42.78	2.87				42.62	3.15
Treatment Male	38.13	4.66				76.21	8.48				76.38	8.49
Female	37.92	4.52	0.191	0.663		76.04	8.51	0.004	0.950		76.04	8.51	0.003	0.958
Control Male	38.13	4.76				42.75	2.91				42.34	3.58
Female	37.70	4.41				42.79	2.87				42.79	2.87