why does adding a pretest improved the internal validity of a post test only nonequivalent control group
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why does adding a pretest improved the internal validity of a post test only nonequivalent control group design and make this non experiment become a quasi experiment?
to explain your answer use this scenario: you want to determine if grade three EQ AO scores different students that receive a special math program versus the typical math curriculum. in what ways can adding a pretest control for assignment bias?
Related Book For
Research Methods In Psychology
ISBN: 9780077825362
10th Edition
Authors: John Shaughnessy, Eugene Zechmeister, Jeanne Zechmeister
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