Learning that a clinical trial examined the effects of a drug only in Cacausion males would serve as a threat to ______________ validity.

Question

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External validity refers to the generalizability of the findings to other populations, settings, and conditions beyond the study's sample. If a clinical trial only examined the effects of a drug in Caucasian males, it would be limited in external validity because the findings may not be applicable to other demographic groups such as females and individuals from different races or ethnicities.

Learning That a Clinical Trial Examined the Effects of a Drug