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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 3.

Teacher and School Descriptives

95% Confidence Interval
Dependent Variable Group Mean Std. Error Lower Bound Upper Bound
School Percentage of Children Eligible for Free or Reduced Price Lunch (FRL, (0=not eligible, 1=eligible) Comparison 51.083 4.356 42.305 59.862
Intervention 76.318 4.549 67.149 85.487

Reading First ( 1= Reading First, 0= Not Reading First so mean represents proportion) Comparison .458 .104 .248 .668
Intervention .500 .109 .281 .719

Teacher Knowledge Survey total correct fall1 Comparison 27.500 1.217 25.048 29.952
Intervention 17.636 1.271 15.075 20.197

Teacher Knowledge Survey gain from fall to spring Comparison .083 1.656 −3.254 3.420
Intervention 5.364 1.729 1.878 8.849

Higher Degree (1= Higher degree attained, 0= No higher degree) Comparison .208 .104 .000 .418
Intervention .455 .109 .236 .673

Years teaching experience Comparison 9.958 2.032 5.863 14.053
Intervention 11.489 2.122 7.212 15.766

Years teaching Grade 1 Comparison 5.708 1.122 3.448 7.969
Intervention 4.239 1.172 1.877 6.600
1

The highest possible score on the Teacher Knowledge Survey is 40 points.