Briefly, what is the difference between internal and external validity?

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Applied Statistics From Bivariate Through Multivariate Techniques

ISBN: 9781412991346

2nd Edition

Authors: Rebecca M. Warner

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Question Posted: Nov 20, 2015 01:19 AM

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Briefly, what is the difference between internal and external validity?

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A study has strong internal validity when the researcher can manipulate the variab...View the full answer

Applied Statistics From Bivariate Through Multivariate Techniques

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