Taking a Broader Perspective: The Problem of External Validity A researcher studying public displays of affection by dating couples observes this behavior in shopping malls, airports, and supermarkets.This illustrates the technique of
A)aggregation over measures.
B)aggregation over situations.
C)aggregation over subjects.
D)aggregation over trials.

Question

Quizplus · Accepted Answer

Aggregation over situations refers to observing behavior across different contexts or settings, which is what the researcher is doing by observing public displays of affection in shopping malls, airports, and supermarkets. The other choices (aggregation over measures, subjects, and trials) do not fit the scenario described in the question.

Taking a Broader Perspective: the Problem of External Validity a Researcher