Table 7.

Z values from correlation coefficient statistical comparison

Correlated variables	Content conditions compared
	DHH–Comp.	DHH–MMM	MMM–Comp.
Expectancy belief & attainment	1.975*	3.708**	3.527**
Expectancy belief & intrinsic	3.479**	4.063**	.583
Expectancy belief & utility	1.111	4.507**	3.396**
Attainment & intrinsic	1.493	2.132*	.639
Attainment & utility	1.597	3.229**	1.630
Intrinsic & utility	2.840**	2.472*	.368

Note. DHH = Dr. Love’s Healthy Heart; MMM = Mickey’s Mighty Muscles; Comp. = comparison.

^*p < .05 when Z_{r1 − r2} ≥ 1.96.

^**p < .01 when Z_{r1 − r2} ≥ 2.58.