Table 9. Comparison of higher and lower skill-level students across time.

		SE				DI
	Moment	Event	Wilcoxon	p	r	Wilcoxon	p	r
Higher skill level	PreT–PosT	SP TJ H Sum	-2.23 -2.54 -2.55 -2.53	.026 .011 * .011 * .012 *	.79 .90 .90 .90	-1.94 -2.69 -2.58 -3.34	.052 .007 * .010 * .001 *	.43 .60 .58 .75
	PreT–ReT	SP TJ H Sum	-2.23 -2.54 -2.54 -2.54	.026 .011 * .011 * .011 *	.79 .90 .90 .90	-2.91 -2.56 -2.53 -3.49	.004 * .010 * .011 * .001 *	.65 .57 .57 .78
	PosT–ReT	SP TJ H Sum	0.000 0.000 -1.000 -0.58	1.000 1.000 .317 .564	.00 .00 .35 .20	-.63 -1.13 -.26 -.28	.528 .257 .796 .782	.14 .25 .06 .06
Lower skill level	PreT–PosT	SP TJ H Sum	-2.85 -2.96 -2.95 -2.94	.004 * .003 * .003 * .003 *	.86 .90 .89 .89	-1.35 -2.03 -1.13 -2.02	.176 .042 .257 .043	.48 .72 .40 .72
	PreT–ReT	SP TJ H Sum	-2.86 -2.94 -2.96 -2.94	.004 * .003 * .003 * .003 *	.86 .89 .89 .89	-1.84 -2.03 -1.00 -2.03	.066 .042 .317 .042	.65 .72 .35 .72
	PosT–ReT	SP TJ H Sum	-1.38 -0.14 -0.58 -0.56	.167 .891 .564 .573	.42 .04 .17 .17	-1.41 -1.00 -1.00 -.74	.157 .317 .317 .458	.50 .35 .35 .26

* Bonferroni adjusted significant differences (p < 0.013).