Table E-27. Number and percentage of states that used stratified random sampling, by categories (strata) used: 2004-05
| Categories (strata) | Percent of | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of states | All states [N=51] | States that used stratified random sampling [n=27] | ||||||||||
| Child records not reviewed | 1 | 2 | ‡ | |||||||||
| Random sampling not used | 0 | 0 | ‡ | |||||||||
| Stratified random sampling not used | 23 | 45 | ‡ | |||||||||
| Disability category | 9 | 18 | 33 | |||||||||
| Age | 21 | 41 | 78 | |||||||||
| Date of identification | 14 | 27 | 52 | |||||||||
| Race or ethnicity | 7 | 14 | 26 | |||||||||
| Setting | 4 | 8 | 15 | |||||||||
| Service coordinator1 | 4 | 8 | 15 | |||||||||
| Language spoken by family1 | 1 | 2 | 4 | |||||||||
| Town of residence1 | 1 | 2 | 4 | |||||||||
| Medicaid eligibility1 | 3 | 6 | 11 | |||||||||
| Other category (strata) used | 9 | 18 | 33 | |||||||||
|
‡ Not applicable. 1 This category did not appear in the questionnaire. It was constructed from other state specific responses. NOTE: States could select more than one category, therefore, the Percent columns will not sum to 100. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Special Education Research, Evaluation of States' Monitoring and Improvement Practices Under the Individuals with Disabilities Education Act, Part C Monitoring Evaluation Questionnaire. |
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