Presentation slides - Harvard Graduate School of Education
Presentation slides - Harvard Graduate School of Education
Presentation slides - Harvard Graduate School of Education
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States by<br />
Number <strong>of</strong> Observations Required<br />
10<br />
9<br />
8<br />
7<br />
6<br />
5<br />
4<br />
3<br />
2<br />
1<br />
0<br />
0 (OK) 1 (FL, DE) 2 (AZ, CO, GA,<br />
IL, IN, LA,<br />
MD, NY, OH)<br />
3 (CT, MA, NC,<br />
RI)<br />
4 (TN)