Abbreviated Interrupted Time-Series - Institute for Policy Research
Abbreviated Interrupted Time-Series - Institute for Policy Research
Abbreviated Interrupted Time-Series - Institute for Policy Research
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Differences in differences in total change post‐NCLB<br />
4 th Grade Reading<br />
Coef. S.E. t<br />
Wong et. al. vs. Dee and Jacob<br />
Diff in Total ∆ by 2009 (S+CA) 5.60 2.50 2.24 *<br />
Diff in Total ∆ by 2009 (S) 1.34 2.67 0.50<br />
Diff in Total ∆ by 2009 (CA) 1.98 2.56 0.78<br />
Wong (median) vs. Dee and Jacob (all)<br />
Diff in Total ∆ by 2009 (S+CA) 4.19 1.68 2.49 *<br />
Diff in Total ∆ by 2009 (S) 1.96 1.80 1.09<br />
Diff in Total ∆ by 2009 (CA) 2.05 1.66 1.24<br />
Interaction Effect 0.18 2.18 0.08<br />
+p