What's the difference between INTERNAL and EXTERNAL VALIDITY?

The video tutorial explains the concept of validity in scientific experiments, focusing on internal and external validity. Internal validity ensures that a study tests what it claims to test, while external validity concerns the generalizability of results. The video uses Stanley Milgram's obedience study as an example to illustrate these concepts. It discusses the importance of controlling confounding variables and ensuring mundane realism for internal validity, and highlights ecological, population, and historical validity as aspects of external validity. The video concludes with a call to action for viewers to engage with the content.

What is ecological validity and why is it important?

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Discuss the concept of population validity and its significance in research.

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What does historical validity refer to in the context of psychological studies?

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