A psychologist first conducted a study on helping behaviour with a sample of college undergraduates.This psychologist then replicated the study using the same procedure with a different participant sample.If similar results were obtained with both samples,this experimenter has demonstrated

Question

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The experimenter has demonstrated external validity by replicating the study and obtaining similar results with a different participant sample, indicating that the findings are generalizable beyond the initial sample used in the study.

A Psychologist First Conducted a Study on Helping Behaviour with a Sample