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What is the main purpose of using a blind test in an investigation?

Answer and explanation

Correct answer: To reduce bias caused by the observer's expectations

In a blind test the observer or participant does not know the treatment identity reducing expectation bias. In exams identify objective observation.

Related tags

Blind-TestObserver-BiasFair-InvestigationExperimental-DesignHypothesis And ExperimentationExploration: Entering The World Of Secondary ScienceExploration Entering The World Of Secondary ScienceScience

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