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Pavel [41]
3 years ago
10

A researcher wants to conduct a study to see if playing chess improves memory. The researcher finds 50 individuals who play ches

s regularly and 50 that do not. Each of the 100 individuals are given a questionnaire designed to determine memory level. If the 100 individuals did not know they were participating in the study, which statement about the study is correct?.
SAT
1 answer:
inna [77]3 years ago
6 0

Answer:

This is an observational study

Explanation:

just took the test

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