The methodological approach separates the
effects of teacher characteristics from school characteristics by modeling the relationship between the assessments of school contextual factors by one set of teachers and the turnover decisions by other teachers in the same school.
The methodological approach separates the effects
of teacher characteristics from school characteristics by modeling the relationship between the assessments of school contextual factors by one set of teachers and the turnover decisions by other teachers within the same school.
Comparing the characteristics of dismissed versus non-dismissed untenured teachers within the same school and year, Jacob was able to determine how much weight principals place on a
variety of teacher characteristics.
In addition, Boyd, et al only examine whether the improvement of a
basket of teacher characteristics was associated with improvement in student achievement in New York City.
While the richness of the TIMSS data enables us to control for an unusually large
set of teacher characteristics, our results could still be biased if teachers with different effectiveness levels are more likely to choose different teaching styles.
This issue was acknowledged by one of the coaches who noted a «wide
range of teacher characteristics, some ready to do a unit, some not quite ready» during the debrief meeting.