Table 1 Means, standard deviations, and correlations among variables Variables M(SD) M(SD) Test 1 2 3 4 5 6 (8th) (9th) 1. Student mastery 3.59 (,91) 3.69 (.92) -.812 .63+++ .20 .26 .01 50#+ .15 2. Student performance 2.75 (1.11) 2.50 (1.11) 2.644* .31* .68"* -.04 .00 -.26* 3. Classroom mastery 3.97 (.95) 3.87 (.87) 444 .32* .27* 50** -29* .55# .04 4. Classroom 2.53 (.92) 2.27 (1.07) 1.841 -.08 12 .01 .34* -.33* -.15 performance 5. Math self-efficacy 4.54 (.57) 4.27 (.84) 1.727 .33. .04 .15 -.27* .32* .19 6. Math GPA 1.86 (.89) 1.36 (1.09) 2.899* .20 -.16 .00 -.05 .34* .49+ Note. Correlations between 8th variables appear below the diagonal, correlations between 9th variables appear above the diagonal, and correlations between 8th and 9th variables appear along the diagonal. p<.05. p>