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. Author manuscript; available in PMC: 2010 Oct 1.
Published in final edited form as: J Sch Psychol. 2010 Jul 23;48(5):357–387. doi: 10.1016/j.jsp.2010.06.004

Table 1.

Descriptive Statistics and Zero-Order Correlation of Analysis Variables

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
1 CWA3 --
2 CCO3 −.14 --
3 TWA3 .08 −.25 --
4 TCO3 −.09 .43 −.56 --
5 TSUP3 .09 −.18 .29 −.27 --
6 READ4 −.01 −.23 .15 −.18 .09 --
7 READ5 −.04 −.21 .15 −.15 .04 .90 --
8 READ6 −.02 −.25 .17 −.20 .07 .87 .90 --
9 MATH4 −.02 −.24 .15 −.17 .05 .58 .59 .63 --
10 MATH5 −.07 −.25 .20 −.19 .01 .58 .62 .62 .82 --
11 MATH6 .00 −.26 .19 −.22 .08 .62 .63 .69 .81 .83 --
12 TENG4 .01 −.28 .39 −.43 .29 .23 .26 .26 .30 .34 .38 --
13 TENG5 .09 −.31 .47 −.47 .31 .28 .26 .28 .26 .32 .34 .54 --
14 TENG6 .05 −.27 .37 −.38 .30 .34 .33 .37 .33 .33 .41 .54 .60 --
15 IQ1 −.10 −.12 .12 −.16 −.04 .28 .28 .29 .33 .35 .38 .18 .17 .14 --
16 READ2 −.01 −.15 .07 −.11 .02 .76 .72 .66 .50 .46 .50 .14 .23 .28 .23 --
17 MATH2 −.07 −.20 .13 −.15 −.02 .39 .43 .49 .70 .67 .65 .27 .17 .23 .29 .34 --
18 TENG2 −.02 −.23 .35 −.37 .28 .33 .29 .31 .28 .34 .34 .45 .43 .38 .18 .28 .26 --
Mean 3.6 1.8 3.9 1.8 −.2 488 498 507 496 504 510 2.8 2.8 2.8 92.9 461 475 3.4
S.D. .87 .77 .85 .95 .83 18.6 18.8 20.9 10.5 10.6 10.9 .68 .70 .67 14.6 22.6 11.1 1.06

Note. CWA =Child-rated Warmth; CCO=Child-rated Conflict; TWA=Teacher-rated Warmth; TCO=Teacher-rated Conflict; TSUP=Peer nominations for teacher-student support; READ =WJ-III Reading; MATH= WJ-III Math; TENG=Teacher-rated Behavioral engagement.

a

The number following the variable name indicates the year of assessment (e.g. READ2 is the baseline measure of WJ-III reading at year 2, and READ4 is the respective outcome measure at year 4)