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Home Q & A Board Science-Related Homework Help Psychology
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Bisla Bisla
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When do you use tests of planned comparisons rather than post hoc comparisons in data analysis?
Textbook 
Introduction to Behavioral Research Methods

Introduction to Behavioral Research Methods


Edition: 6th
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sulmaeatersulmaeater
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Planned comparisons are appropriate when you know in advance which groups you want to test for significant differences.  Post hoc comparisons are relevant when you examine your data after an experiment, then decide which groups to compare.
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Bisla Author
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8 years ago
I doubled checked your answer with my study group, thank you for taking the time to help out.
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8 years ago
You're welcome Slight Smile
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