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. Author manuscript; available in PMC: 2010 Jan 1.
Published in final edited form as: Child Dev. 2009 Jan-Feb;80(1):77–100. doi: 10.1111/j.1467-8624.2008.01247.x

Table 4.

HLM Descriptives for Student- and Classroom-level Variables

Level 1 Student Descriptive Statistics
Mean SD Minimum Maximum
Number of Times Observed 2.67 0.61 1.00 3.00
Fall WJ Letter-Word W Score 410.38 31.14 324.00 519.00
Fall WJ Letter-Word Standard Score 104.01 16.71 50.00 194.00
Fall WJ Picture Vocabulary W Score 479.02 10.91 442.00 513.00
Fall WJ Picture Vocabulary Standard Score 102.31 11.15 71.00 139.00
Fall WJ Passage Comprehension W Score 449.60 21.09 377.00 497.00
Fall WJ Passage Comprehension Standard Score 100.17 15.46 44.00 148.00
Spring WJ Letter-Word W Score 454.61 25.51 367.00 525.00
Spring WJ Letter-Word Standard Score 109.72 14.28 60.00 149.00
Spring WJ Passage Comprehension W Score 466.27 15.79 404.00 506.00
Spring WJ Passage Comprehension Standard Score 102.09 12.86 64.00 136.00
Spring WJ Picture Vocabulary W Score 483.48 10.72 456.00 528.00
Spring WJ Picture Vocabulary Standard Score 102.72 10.88 77.00 149.00
Teacher/Child-Managed Code-Focused Amount Total 6.34 4.23 1.37 30.05
Child-Managed Meaning-Focused Amount Total 21.01 6.85 7.85 48.42
Teacher/Child-Managed Meaning Focused Amount Total 11.63 5.07 3.79 26.39
Child-Managed Code-Focused Amount Total 9.83 4.15 4.57 25.61
Teacher/Child-Managed Code-Focused Distance from Recommendation Amount 19.62 2.29 12.95 27.84
Teacher/Child-Managed Code-Focused Distance from Recommendation Slope −0.71 0.60 −3.15 1.00
Child-Managed Meaning-Focused Distance from Recommendation Amount 21.04 5.07 10.07 33.09
Child-Managed Meaning-Focused Distance from Recommendation Slope 0.57 0.41 −0.63 1.57

Level 2 – Classroom Descriptive Statistics Mean SD Minimum Maximum

24.8
Percentage of Students Eligible for FRL 62.43 8 24.00 96.00
School Participates in Reading First (=1) 0.47 0.50 0.00 1.00
Teacher in Intervention Group (=1) 0.49 0.51 0.00 1.00
Teacher Knowledge Survey Fall Score 22.77 7.63 9.00 36.00
Teacher Knowledge Survey Gain (Fall to Spring) 2.94 8.66 −19.00 20.00
Years of Education beyond Bachelor 0.32 0.52 0.00 2.00