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Cremeux Cremeux
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Posts: 4510
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9 years ago
It is important to assess the similarity of the experimental and control groups before any manipulation of the independent variable in a nonequivalent control-group design because
A) if the groups are significantly different, direction of causality cannot be determined.
B) the more similar the groups are, the greater control we have.
C) as the similarity between groups at the beginning of the study increases, the design approaches experimental designs.
D) Both B 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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9 years ago
Will mark your answer as best, thanks again.
wrote...
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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