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Class 9 Science Exploration: Entering the World of Secondary Science Hypothesis and experimentationExpert

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Which plan would most reduce observer bias?

Answer and explanation

Correct answer: Code the samples so the measurer does not know the treatment identity

Hiding sample identity reduces the effect of the measurer's expectations. Recognize blinded assessment in exams.

Related tags

Observer Bias Blinding Coded Samples Measurement Hypothesis And Experimentation Exploration: Entering The World Of Secondary Science Exploration Entering The World Of Secondary Science Science

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