 List of Figures |
Figure A. |
Nationally representative sample and universe surveys used in this report |
| 1 Respondents in the NCVS are interviewed every 6 months and asked about incidents that occurred in the past 6 months. |
2 In 2007, the reference period was the school year. In all other survey years, the reference period was the previous 6 months. Cognitive testing
showed that estimates from 2007 are comparable to previous years. For more information, please see appendix A  (301 KB). |
| 3 Either school principals or the person most knowledgeable about discipline issues at school completed the SSOCS questionnaire. |
