alleryStart learning →A precise description of how a variable is measured in a study is called:
AAn operational definition
BA working hypothesis
CA random assignment
DA correlation value
Answer & Solution
Correct answer: A. An operational definition
1. Two researchers must measure the same thing the same way for a study to be repeatable.
2. An operational definition is a precise description of our variables.
3. It is important in allowing others to understand exactly how and what a researcher measures in a particular experiment.
4. A hypothesis states what is expected rather than how it will be measured.
_Source: OpenStax Psychology 2e (CC BY 4.0), Ch 2 'Psychological Research', sections 2.1-2.4_
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