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Operational Definition of Depression
Depression serves as a primary example of an abstract construct that researchers can operationally define in multiple ways to make it measurable. For instance, a researcher might measure it using a participant's score on a paper-and-pencil scale like the Beck Depression Inventory, by counting the total number of depressive symptoms reported, or by verifying whether the individual has a formal clinical diagnosis of major depressive disorder.
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Research Methods in Psychology - 4th American Edition @ KPU
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Example of Operationalizing a Variable: Learning
Example of an Experimental Procedure: Testing a Teaching Method
A researcher hypothesizes that students who get more sleep will have better memory. To test this, the researcher asks one group of students to sleep for 8 hours the night before an exam and a second group to sleep for 6 hours. The next day, the researcher measures 'memory' by counting the number of correct answers on a 20-question multiple-choice test. Which part of this study description represents the operational definition of 'memory'?
A researcher plans to study the impact of listening to music on a person's mood. Which of the following is the best operational definition for the 'mood' variable in this study?
Operational Definition of Depression
Existing Measure
Creating a New Measure
Perceived Stress Scale
Purpose of Operational Definitions
Converging Operations
Self-Report Measure
Behavioral Measure
Physiological Measure
Which of the following best describes an operational definition in psychological research?