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Cremeux Cremeux
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9 years ago
Careful participant selection
A) should not include random selection.
B) reduces the probability of errors in the statistical computations.
C) provides good protection of internal validity.
D) controls for threats to external 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
wrote...
#3
9 years ago
I was pretty confident with this, you're welcome.
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