External validity is usually more of a problem for research conducted in laboratory settings as opposed to field settings.

Question

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External validity refers to the extent to which the results of a study can be generalized to other situations and to other people. Laboratory settings are often criticized for their artificiality and controlled conditions, which may not accurately reflect real-world scenarios, making it harder to generalize findings. In contrast, field settings are more natural and thus considered to have higher external validity.

External Validity Is Usually More of a Problem for Research