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Home Q & A Board Science-Related Homework Help Psychology
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o2 o2
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7 years ago
All of the following are threats to the internal validity of a study except
   a.   failure to randomly assign participants.
   b.   assigning participants based on gender.
   c.   varying only the independent variable.
   d.   randomly changing several aspects of the study in addition to the independent variable.
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sleepersleeper
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7 years ago
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o2 Author
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7 years ago
Correct Slight Smile TY
TAT1238
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Yesterday
Good timing, thanks!
kiara23247843
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2 hours ago
Thanks
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