Define internal validity and external validity. Its been said that external validity decreases when internal validity is

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Define internal validity and external validity. It’s been said that external validity decreases when internal validity is high. Do you believe that is so? Explain your answer.

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Essentials of Marketing Research

ISBN: 978-1305263475

6th edition

Authors: Barry J. Babin, William G. Zikmund

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Question Posted: Jun 16, 2015 08:14 AM

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Define internal validity and external validity. Its been said that external validity decreases when internal validity is

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Internal validity exists to the extent that an experimental variable is truly responsible for any va...View the full answer

Essentials of Marketing Research

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