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Selecting an Existing Measure
When multiple existing measures are available for a construct, researchers must evaluate and select the most appropriate one based on their study's specific needs. They might choose a particular measure because it is the most common in the field, possesses the strongest evidence of reliability and validity, targets a specific facet of the construct (e.g., physiological stress), or is simply the most practical to administer given time and resource constraints.
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Research Methods in Psychology - 4th American Edition @ KPU
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Selecting an Existing Measure
Locating Existing Measures
Locating Existing Measures
What is a primary advantage for researchers when they choose to use an existing measure, such as a published questionnaire, rather than developing a new instrument?
When operationally defining a construct, researchers generally avoid using existing measures because such established tools make it more difficult to compare new findings with the broader scientific literature.