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What it the most serious threat to internal validity in a nonequivalent control group design?

slash303

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6 years ago

What it the most serious threat to internal validity in a nonequivalent control group design?

What it the most serious threat to internal validity in a nonequivalent control group design?

A) Testing
B) Selection
C) Maturation
D) History

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jacobhollyy

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slash303 Author

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6 years ago

Correct

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