Frequency of Outside Interruption During Mahtematics Lessons
|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 7084% of students. An " s " indicates teacher response data available for 5069% 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)