Toward Equity in Quality in Mathematics Education pp 129-138 | Cite as

# Teacher-Related Inequity Factors

This chapter focuses on investigating the impact of teacher-related inequity factors based on the *TIMSS 2003 Teacher Questionnaire* and TIMSS 2003 math assessment data. In this chapter, the teacher-related factors measure teachers’ perceptions of selected school and classroom practices, as much as they can be derived from *TIMSS 2003 Teacher Questionnaire*. The dependent variable is the *The Average Plausible Score for the Mathematics Teacher (APSMT)*. Since the original TIMSS teacher file did not include the mean math score of the students taught by the same teacher, a linkage program was developed to assign for each math teacher the mean math score of his/her stu-dents.The *APSMT* was computed to be the mean of the Average Mathematics Plausible Score for the students in the sample taught by that mathematics teacher (see Chapter 7). In this chapter, *a teacher-related inequity factor is defined to be a teacher-related factor that accounts for a significant percentage of the between-class variance (classes taught by the same math teacher)*.

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