4.3: Reliability and Validity of Measurement - Social Sci LibreTexts
https://socialsci.libretexts.org/Bookshelves/Psychology/Research_Methods_and_Statistics/Research_Methods_in_Psychology_(Jhangiani%2C_Chiang%2C_Cuttler%2C_and_Leighton)/04%3A_Psychological_Measurement/4.03%3A_Reliability_and_Validity_of_Measurement
Web ResultNov 11, 2022 · Reliability refers to the consistency of a measure. Psychologists consider three types of consistency: over time (test-retest reliability), across items (internal consistency), and across different researchers (inter-rater reliability).
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