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An operational definition matters most because it lets other researchers:
ASkip the statistical analysis
BAvoid recruiting participants
CPublish without peer review
DRepeat the measurement exactly
Answer & Solution
Correct answer: D. Repeat the measurement exactly
1. A finding is only useful if someone else can check it.
2. Checking it means measuring the same thing the same way.
3. An operational definition is a precise description of our variables.
4. It is important in allowing others to understand exactly how and what a researcher measures in a particular experiment.
5. Nothing about it removes the need for analysis, participants or review.
_Source: OpenStax Psychology 2e (CC BY 4.0), Ch 2 'Psychological Research', sections 2.1-2.4_
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