Psychology, asked by deeputhapa5395, 1 year ago

Definition reliability and validity in psychology

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Answered by Aisharoy067
0
The term reliability in psychological research refers to the consistency of a research study or measuring test.
For example, if a person weighs themselves during the course of a day they would expect to see a similar reading. Scales which measured weight differently each time would be of little use.
The concept of validity was formulated by Kelly (1927, p. 14) who stated that a test is valid if it measures what it claims to measure.
For example a test of intelligence should measure intelligence and not something else (such as memory).
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