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. Author manuscript; available in PMC: 2016 Feb 2.
Published in final edited form as: Psychol Sci. 2013 Jun 19;24(8):1408–1419. doi: 10.1177/0956797612472204

Table 4.

Random Effects From the Within-Grade Hierarchical Linear Model for the Spring Letter-Word Identification Assessment (Reading Score)

Predictor SD Variance component χ2 p
First grade
Classroom Level 2, u0   3.116     9.713 χ2(26, N = 28) = 47.64582   .006
Student Level 1, r 13.636 185.962 —   —
Second grade
Classroom Level 2, u0 12.844 164.971 χ2(46, N = 49) = 491.57049 <.001
Student Level 1, r 15.172 230.190 —   —
Third grade
Classroom Level 2, u0   2.057     4.231 χ2(36, N = 40) = 62.10752   .005
Fall reading score, u1   0.086     0.007 χ2(37, N = 40) = 46.59341   .134
Student Level 1, r   8.614   74.203 —   —

Note: Deviance = 37,511.511728. Time is in months and is centered at the end of second grade.