TABLE 6.

Fixed and random effects for revised ANCOVA model

Fixed effects	Coefficient	SE	df	t Ratio
Posttest mean, γ00	0.972	0.033	22	28.89***
Pretest slope, γ10	0.160	0.032	489	4.96***
Quiz 1 slope, γ20	0.142	0.048	489	2.99**
Quiz 2 slope, γ30	0.109	0.037	489	2.94**

Random effects	Variance component	df	χ2	p Value
Posttest mean, u0	0.024	22	328.72	<0.001
Level 1, R	0.041

**p < 0.01.

***p < 0.001.