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Random sampling enhances external validity while random assignment enhances internal validity.
Random sampling refers to the probability of everyone in a chosen population to become part of the study whereas random assignment refers to the probability of research participants to be assigned to any group such as, experiment or control. Thus, random sampling would enhance the external validity while random assignment would increase the internal validity as it would avoid any bias or subjective involvement of the researcher.
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9781284043297
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9781284043297
org/portalsne 448983dt-dec2-4455-8778 O LAMP Consortum: DE NU.. X ence that an experimental treatment or condition made a difference and that rival explanations were systematically ruled out through study design and control OA. Content validity O B. External validity OC. Internal validity O D. Construct validity
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