A researcher wants to know if a teacher's 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
(a) Is this a random sampling or random assignment?
Random sampling
Random assignment
(b) Select the control group(s) of the study. Select all that apply.
Teacher's A students
Teacher's B students
Students who are enrolled in the introductory statistics class
Teacher A
Teacher B
The researcher
None of the above
(c) Select the experimental group(s) of the study. Select all that apply.
Teacher's A students
Teacher's B students
Students who are enrolled in the introductory statistics class
Teacher A
Teacher B
The researcher
None of the above
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