Why does having a control group eliminate the problems associated with the one-group pretest-posttest design?

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Methods in Behavioral Research

ISBN: 978-0078035159

11th Edition

Authors: Paul C. Cozby, Scott C. Bates

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Question Posted: Feb 14, 2020 10:39 AM

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Why does having a control group eliminate the problems associated with the one-group pretest-posttest design?

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Control groups are an important aspect of true experimental designs The presence of control groups a...View the full answer

Methods in Behavioral Research

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