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Cremeux Cremeux
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9 years ago
Threats to internal validity from regression to the mean in randomized, posttest-only, control-group designs are controlled by
A) nonrandom assignment of participants.
B) random assignment of participants to groups.
C) controlling for experimental effect.
D) Both A and C
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
A thumbs up would be nice Wink Face
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