Answer:
Operational definition.
Explanation:
Operational definition: The terms refers to the steps involved in any kind of study and the research variables being used in that particular study. It refers to an accurate statement of a conceptual variable turning into a measurable variable.
The operational definition provides an accurate and detailed definition of a measure when applied to a data collection.
Example: An experiment might define a laugh as a smile with a specific sound whereas a psychologist can reproduce or replicate the experiment through an operational definition.
Elements of an Operational Definition:
1. Criterion.
2. Test.
3. Decision.
