Question

a researcher wants to know if a teachers race and gender affects students achievement in introductory statistics classes. teacher a is identified as white male is assigned to teach 30 students. teacher b is identified as an asian female assigned to teach a separate 30 - student class. identify what is not a confounding variable in the scenario. the demographic of teacher as students the demographic of teacher bs students the introductory statistics class (i.e. which section) the teachers education level the teachers experience as an instructor

Explanation:

A confounding variable is one that can influence both the independent variable (teacher's race and gender) and the dependent variable (students' achievement). The Introductory Statistics class (which section) is a fixed factor here and does not vary in a way that would confound the relationship between teacher's race - gender and students' achievement. The demographics of students, teacher's education level, and teacher's experience can all potentially affect students' achievement and be related to the teacher - student interaction in a way that could confound the results.

Answer:

The Introductory Statistics class (i.e. which section)