Table 1.

Three-Year Longitudinal Knowledge Test Results from the Science PE, and Me! Curriculum Units for the Original 3rd Grade Cohort. Dr. Love’s Healthy Heart Unit first taught in 2003; Data Based on % of Correct Answers on Knowledge Tests; first 3rd Grade Cohort (2003–2005).

	Y1 Pre (2003)	Y1 Post (2003)	Y2 Post (2004)	Y3 Pre (2005)	Y3 Post (2005)
Exper.	39%	76%	72%	66%	69%
Control	40%	61%	58%	60%	58%
	p=.73	p=.001*	p=.001*	p=.001*	p=.001*
Dr. Love’s Healthy Heart Unit first taught in 2003; Data Based on % of Correct Answers on Knowledge Tests; first 3rd Grade Cohort (2003–2005).
		Y2 Pre (2004)	Y2 Post (2004)	Y3 Pre (2005)	Y3 Post (2005)
Exper.		28%	58%	33%	53%
Control		26%	35%	26%	35%
		p=.114	p=.001*	p=.001*	p=.001*
Mickey’s Mighty Muscles Unit first taught in 2004; Year 2 & 3 Data Based on % of Correct Answers on Knowledge Tests for the Original 3rd Grade Cohort (2004–2005).
		Y2 Pre (2004)	Y2 Post (2004)	Y3 Pre (2005)	Y3 Post (2005)
Exper.		38%	60%	41%	44%
Control		32%	45%	39%	35%
		p=.001*	p=.001*	p=.251	p=.001*
Flex Coolbody’s Fitness Club Unit first taught in 2004; Data Based on % of Correct Answers on Knowledge Tests for the Original 3rd grade Cohort (2004–1005)

^*Effect size: partial η² = .338; Ennis & Chen, 2006; Sun et al., 2006