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EnglishVoice Age
Young Adult (18-35)Accents
North American (General)Transcript
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1/3 type of research validity is external validity, which has to do with your conclusions applying to more people than just the ones you tested. Those psychologists might like to test everyone. Doing so would be absurdly expensive and time consuming. So instead, psychologists take a sample of the population they want to study. This sample group is usually selected at random based on WHO volunteers to participate. Psychologists try to get bigger groups to control for random variations.