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Home Q & A Board Science-Related Homework Help Psychology
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Bisla Bisla
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9 years ago
The biggest threat to internal validity in a nonequivalent control group pretest-posttest design is
a. maturation
b. local history
c. external invalidity
d. experimenter expectancy
e. posttest reactivity
Textbook 
Introduction to Behavioral Research Methods

Introduction to Behavioral Research Methods


Edition: 6th
Author:
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sulmaeatersulmaeater
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9 years ago
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Bisla Author
wrote...
#2
9 years ago
Problem solved. Thank you so much.
wrote...
#3
9 years ago
You're welcome Slight Smile
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