Asked by Katelyn Sommer on Jul 22, 2024
Verified
What does Cronbach's alpha reveal to a researcher?
A) whether a measuring device is valid or not
B) the intercoder reliability among a set of judges
C) the extent to which a questionnaire has internal reliability
D) how much test-retest reliability a questionnaire has
Cronbach's Alpha
A measure used in statistics to assess the reliability, or internal consistency, of a set of scale or test items.
Internal Reliability
A measure of consistency within a psychological test, indicating how closely related the items in the test are as a group.
- Discern the pivotal importance of reliability and validity in the realm of psychological testing and quantification.
- Elucidate the disparities among distinct kinds of validity (for instance, face, convergent, discriminant) and reliability (for example, internal, test-retest) in the scope of measurement.
Verified Answer
GB
gizeal bahatiJul 29, 2024
Final Answer :
C
Explanation :
Cronbach's alpha reveals the extent to which a questionnaire has internal reliability.
Learning Objectives
- Discern the pivotal importance of reliability and validity in the realm of psychological testing and quantification.
- Elucidate the disparities among distinct kinds of validity (for instance, face, convergent, discriminant) and reliability (for example, internal, test-retest) in the scope of measurement.
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