A researcher is studying whether math teachers with masters degrees perform better than math teachers without masters degrees. She compiles data from a large random sample of schools across the United States. The data contains information on students, who their math teachers were, whether their math teacher had a masters degree, and what score the student got on a standardized math test. The data would look something like this: STUDENT_ID TEACHER_ID SCHOOL_ID TEACHER_HAS_MA TEST_SCORE 1 2 3 4 5 6 1 1 1 2 2 3 1 1 1 1 1 2 True True True False False True 86 45 97 64 56 73
A researcher is studying whether math teachers with masters degrees perform better than math teachers without masters degrees. She compiles data from a large random sample of schools across the United States. The data contains information on students, who their math teachers were, whether their math teacher had a masters degree, and what score the student got on a standardized math test. The data would look something like this: STUDENT_ID TEACHER_ID SCHOOL_ID TEACHER_HAS_MA TEST_SCORE 1 2 3 4 5 6 1 1 1 2 2 3 1 1 1 1 1 2 True True True False False True 86 45 97 64 56 73
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Your Question:
After analyzing the data, the researcher discovers that students whose teachers had masters degrees performed 5 points better on the standardized test than students whose teachers did not have masters degrees.
Based on this research, the teacher proposes a new educational policy: That all math teachers should be required to have masters degrees.
Does this policy makes sense or not, and why?
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