Analyzing pre-service biology teachers’ intention to teach evolution using the theory of planned behavior

Table 2 Discriminant validity

Variable	M	SD	1	2	3	4	5	6
1 Behavioral intention	6.03	0.91	.74
2 Attitude	6.13	0.76	.67**	.74
3 Subjective norm	5.95	1.00	.60**	.58**	.76
4 Perceived behavioral control	4.98	1.07	.44**	.32**	.36**	.73
5 Perceived usefulness	4.31	1.21	.31**	.36**	.26**	.20**	.89
6 Personal religious faith	3.47	1.68	–.17**	–.28**	–.24**	.00	–.10	.84

*p < .05 level (2-tailed). **p < .01 level (2-tailed). Values on the diagonal (bold) are the square root of the average variance extracted (AVE), while the off diagonals show Pearson’s product-moment correlation coefficients

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