Table 1.

Multiple linear regression analysis for variables predicting final exam score

Variables	P Value	B	Stand B	95% CI
				Lower	Upper
Pretest 1	0.000†	2.455	0.521	1.162	3.748
Posttest 1	0.739	0.253	0.046	−1.261	1.767
Pretest 2	0.004*	1.543	0.428	0.526	2.560
Posttest 2	0.051	1.205	0.281	−0.004	2.414
Pretest 3	0.002*	1.967	0.437	0.770	3.165
Posttest 3	0.945	−0.031	−0.009	−0.944	0.881

CI, confidence interval. The level of significance was set at 0.05. Significant difference: *P < 0.01; †P < 0.001.