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______ is a reduction in the number of research participants as some drop out of the study over time.

a) attrition
b) experimenter bias
c) single blinding
d) generalizability

1 Answer

5 votes

The correct answer is letter A

Explanation: Attrition is a reduction in the number of research participants as some drop out of the study over time.

answered
User Danila Ganchar
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