International Journal of STEM Education

Table 4 Summary of the model estimates for the three-level analysis of students’ knowledge acquisition

From: The implementation of peer assessment as a scaffold during computer-supported collaborative inquiry learning in secondary STEM education

	Model 0		Model 1
	Coefficient	SE	Coefficient	SE
Fixed effect
Intercept	5.28***	0.65	1.79	1.30
PA			3.72*	1.44
PA + Dialogue			4.33**	1.45
Random effect
School variance	3.24	1.80	1.16	1.08
Class variance	1.46	1.21	1.61	1.27
Student variance	8.97	3.00	8.99	3.00
Model fit
Log-likelihood	− 983.54		− 979.98
χ², df = 2			7.1121
p			0.03

^*p < 0.05
^**p < 0.01
^***p < 0.001

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