Table 2.

Pre and post scores and effect sizes on all measure from intake to post-assessment.

Measures	Motivational Math Game n=29 M (SD)	Math Game n=28 M (SD)	Non-trained Subsample n=15 M (SD)	ANOVA Significance (p-value)	Effect Size
Intrinsic Motivation Inventory (0–147)
Pre	58.60 (17.47)	62.14 (16.83)	57.60 (17.47)	.28
Post	97.32 (8.45) *	72.06 (11.02)	53.64 (14.38)	.03	.79
Perceived Competency Scale (4–28)
Pre	10.21 (3.02)	11.29 (4.92)	9.03 (3.42)	.48
Post	18.93 (3.89) *	13.02 (3.93)	10.27 (2.64)	.04	.60
Treatment Self Regulation (0–126)
Pre	22.13 (4.12)	19.20 (5.32)	19.23 (3.64)	.28
Post	23.24 (4.43)	21.97 (4.11)	18.97 (5.10)	.12	.14
Arithmetic Test Total Correct (0–60)
Pre	31.32 (7.27)	34.92 (6.05)	36.76 (5.87)	.21
Post	52.31 (3.34) **	44.88 (3.56) *	34.97 (6.29)	.04	.73
CPT-IP FP
Pre	9.95 (3.43)	8.47 (4.38)	7.83 (2.41)	.11
Post	4.01 (1.30) *	5.97 (2.55)	7.25 (4.35)	.05	.43
Brief Psychiatric Rating Scale Total
Pre	60.02 (17.24)	56.19 (13.39)	58.46 (19.20)	.53
Post	52.84 (13.15)	54.23 (19.58)	57.32 (18.24)	.09	−.04
Days to complete 10 sessions	11.10 (2.40) ***	17.12 (3.23)	--	t-test p = .04

Note: CPT-IP FP: Continuous Performance Test-Identical Pairs, Number of False Positives

^*Post Hoc: Tukey HSD multiple comparison is significant at p≤.05

^**Post Hoc: Tukey HSD multiple comparison is significant for the Motivation Learning Program vs. Math Game at .03

^***T-test is significant at .04