A researcher gives half the members of a group a true psychological finding and the other half an opposite result.Both groups believe the given finding is common sense.This is an easy way to demonstrate the impact of

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This scenario demonstrates the impact of hindsight bias, which is the tendency for people to view an event as more predictable than it actually was after it has occurred. The fact that both groups believe the given finding is common sense shows that they are interpreting the information in a way that confirms their preexisting beliefs, rather than objectively evaluating the evidence presented to them. This is a classic example of hindsight bias in action. The other options are not applicable in this scenario - the placebo effect and double-blind procedure both refer to specific experimental designs, while confounding variables would only come into play if there were other factors that could be contributing to the results of the study.

A Researcher Gives Half the Members of a Group a True