Many times, in social psychological research, it is often the case that when external validity is high, there is a trade-off, and _________ is low.

Question

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High external validity often means that the research findings can be generalized to real-world settings or different populations, which increases the external validity. However, this often means that there are other potential variables that might affect the study, which decreases the internal validity. Therefore, researchers need to balance the trade-off between external and internal validity when designing their studies.

Many Times, in Social Psychological Research, It Is Often the Case