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Home Q & A Board Science-Related Homework Help Psychology
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yerlidalton yerlidalton
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7 years ago
This threat to internal validity refers to problems in how groups were formed such that the groups are not equal before the experiment.
A) selection
B) testing
C) history
D) maturation
Textbook 
An Introduction to Statistics and Research Methods: Becoming a Psychological Detective

An Introduction to Statistics and Research Methods: Becoming a Psychological Detective


Edition: 1st
Authors:
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diennuochongvudiennuochongvu
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7 years ago
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yerlidalton Author
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7 years ago
You make an excellent tutor!
erimis
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This site is awesome
TheMoffattMan
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2 hours ago
Correct Slight Smile TY
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