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Diana55 Diana55
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7 years ago
________ threats to internal validity occur whenever an interview given before the start of an experiment has a direct effect on a respondent's responses during the experiment.
A) Researcher bias
B) Premeasurement
C) Selection
D) Interaction
E) Historical
Textbook 
Advertising Research: Theory and Practice

Advertising Research: Theory and Practice


Edition: 2nd
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6l46l4
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7 years ago
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Diana55 Author
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7 years ago
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