. Author manuscript; available in PMC: 2015 Aug 10.

Published in final edited form as: Contemp Educ Psychol. 2009 May 15;34(3):221–229. doi: 10.1016/j.cedpsych.2009.05.002

Table 3.

Results of multiple regression analysis (MRA; dependent variable: workbook score).

MRA	Predictor	Std. β	R²
Model 1
Block 1	Not-attempted	−.81^**	.654
Block 1	Incorrect	−.39^**	.811
Model 2
Block 1	Not-attempted	−.81^**	.654
Block 2	Interest	Attention (−.06^) Challenge (.08^)	.661
Model 3
Block 1	Incorrect	−.34^**	.116
Block 2	Interest	Enjoyment (−.15^**)	.137

^**

p < 0.01.