| Exhibit 6.6 |
Frequency of Outside Interruption During Mahtematics Lessons |
Footnotes
| Background data provided by teachers. | |
| States in italics did not fully satisfy guidelines for sample participation rates (see Appendix A for details). | |
| ( ) | Standard errors appear in parentheses. Because results are rounded to the nearest whole number, some totals may appear inconsistent. |
| A tilde ( ~ ) indicates insufficient data to report achievment. | |
|
An " r " indicates teacher response data available for 70–84% of students. An " s " indicates teacher response data available for 50–69% of students. An " x " indicates school and /or teacher response data available for <50% of students. |
© 2001 International Association for the Evaluation of Educational Achievement (IEA)