Table 2.

Posterior predictions and 95% confidence intervals for the dependent variables measured in the pre- and post-test

Outcome	Pre-test M (SD)		Post-test M (SD)		Time [95% CI]	Effect [95% CI]
	Self-Explanation group who exerted effort (2)	Control group (1)	Self-Explanation group who exerted effort (2)	Control group (1)
Knowledge retention	5.99 (.38)	4.78 (.26)	8.38 (.30)	7.72 (.22)	3.53 [1.96; 5.12]	.64 [.15; 1.45]
Conceptual transfer*			N/A	N/A		N/A
Procedural transfer*			.91 (.25)	.47 (.13)		.44 [− .09; 1.01]
IL			4.03 (.09)	3.66 (.14)		.37 [.03; .73]
EL			2.41 (.14)	2.18 (.11)		.23 [− .12; .58]
GL			3.06 (.18)	3.29 (.11)		− .22 [− .65; .21]

Results are obtained using a Robust Bayesian Estimation using an unequal variances t-distribution model

The analysis is conducted only including the participants in the self-explanation group whose self-explanation task scores were over 2

Bold values respresent significant effects