Table 3: Results of mixed-measures analysis of variance as a function of question type.

Variable	F	Degrees of freedom	Mean squared error	p value
Test questions
Test	37.35	3, 186	201.48	< 0.001
Group	4.58	1, 62	245.56	0.04
Test × Group	1.99	3, 186	201.48	0.1
Control questions
Test	0.412	3, 186	279.03	0.7
Group	0.554	1, 62	582.02	0.5
Test × Group	0.809	3, 186	279.03	0.5

*2-tailed t test.