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Bisla Bisla
wrote...
Posts: 2734
9 years ago
When a researcher creates a study that does not involve random assignment of participants to groups, any differences in group performance can be due to which threat to internal validity?
a.  History
b.  Maturation
c.  Selection
d.  Statistical regression
Textbook 
Introduction to Behavioral Research Methods

Introduction to Behavioral Research Methods


Edition: 6th
Author:
Read 191 times
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Answer verified by a subject expert
sulmaeatersulmaeater
wrote...
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Posts: 2726
9 years ago
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Bisla Author
wrote...
9 years ago
I doubled checked your answer with my study group, thank you for taking the time to help out.
wrote...
9 years ago
My pleasure.
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