If there is a confound in an experiment, then the experiment lacks
A) internal validity.
B) generalizability.
C) external validity.
D) both B and C
Answer: A
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A. physical B. vital C. moral D. psychological
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A. positively skewed B. negatively skewed C. pretty symmetrical D. uniform
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A. 70% B. 80% C. 20% D. 60%