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Cremeux Cremeux
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9 years ago
Random assignment of participants to groups helps reduce
A) attrition.
B) regression to the mean.
C) threats to internal validity from attrition and regression to the mean.
D) threats to construct validity.
Textbook 
Research Methods: A Process of Inquiry

Research Methods: A Process of Inquiry


Edition: 8th
Authors:
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stylezstylez
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9 years ago
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Cremeux Author
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#2
9 years ago
Excellent, what I needed. Respect
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#3
9 years ago
My rule as a member here is to only answer if I know 100%, so I'm glad it worked!
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