Ranks^a
		N	Mean rank	Sum of ranks
Post-test 1 - Pre-test 1	Negative ranks	1^b	2.50	2.50
	Positive ranks	79^c	40.98	3237.50
	Ties	0^d
	Total	80
Post-test 2 - Pre-test 2	Negative ranks	2^e	14.75	29.50
	Positive ranks	77^f	40.66	3130.50
	Ties	1^g
	Total	80
Post-test 3 - Pre-test 3	Negative ranks	0^h	.00	.00
	Positive ranks	79ⁱ	40.00	3160.00
	Ties	1^j
	Total	80