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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Contrast 2 Study Conclusions<br />
• NCLB increased<br />
– 4 th Grade Math<br />
– 8 points.<br />
– 6 months of learning<br />
– .26 SD<br />
– .21 Pct<br />
– 8 th grade math<br />
– 8 points<br />
– 12 months of learning<br />
– .19 SD<br />
– .20 pct<br />
– 4 th Grade Reading<br />
• No significant effect <strong>for</strong> either contrast but all are<br />
in the hypothesized direction