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Ecological Validity
Ecological validity is a type of external validity which looks at the testing environment and determines how much it influences behavior.
In the school test example, if the pupils are used to regular testing, then the ecological validity is high because the testing process is unlikely to affect behavior.
On the other hand, taking each child out of class and testing them individually, in an isolated room, will dramatically lower ecological validity. The child may be nervous, ill at ease and is unlikely to perform in the same way as they would in a classroom.
Generalization becomes difficult, as the experiment does not resemble the real world situation.
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Full reference:
Martyn Shuttleworth (Mar 19, 2009). Ecological Validity. Retrieved Dec 12, 2024 from Explorable.com: https://explorable.com/ecological-validity
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You are free to copy, share and adapt any text in the article, as long as you give appropriate credit and provide a link/reference to this page.