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The name of this formula stems from the fact that is the twentieth formula discussed in Kuder and Richardson's seminal paper on test reliability. [1] It is a special case of Cronbach's α, computed for dichotomous scores. [2] [3] It is often claimed that a high KR-20 coefficient (e.g., > 0.90) indicates a homogeneous test. However, like ...
G. Frederic (Fritz) Kuder (1903–2000) was a counseling psychologist and psychometrician. He was a founding member and the second president of the Division of Counseling Psychology of the American Psychological Association ; cofounder of Personnel Psychology , and founder and editor of Educational and Psychological Measurement .
The Strong Interest Inventory (SII) is an interest inventory used in career assessment. [1][2] As such, career assessments may be used in career counseling. [2][3][4][5][6][7] The goal of this assessment is to give insight into a person's interests, so that they may have less difficulty in deciding on an appropriate career choice for themselves ...
The Spearman–Brown prediction formula, also known as the Spearman–Brown prophecy formula, is a formula relating psychometric reliability to test length and used by psychometricians to predict the reliability of a test after changing the test length. [1] The method was published independently by Spearman (1910) and Brown (1910). [2][3]
Cronbach's alpha (Cronbach's ), also known as tau-equivalent reliability ( ) or coefficient alpha (coefficient ), is a reliability coefficient and a measure of the internal consistency of tests and measures. [1][2][3] It was named after the American psychologist Lee Cronbach. Numerous studies warn against using Cronbach's alpha unconditionally.
Hoda Kotb is updating concerned fans on her younger daughter's medical status.. While chatting with PEOPLE for this week's cover story, the news anchor, 60, gave an update on her daughter Hope, 5 ...
Where Harris’ campaign went wrong. Edward-Isaac Dovere, CNN. November 6, 2024 at 8:46 AM. It was supposed to be everything short of a free ad – a panel of women not containing their excitement ...
Psychology portal. v. t. e. A situational judgement test (SJT), also known as a situational stress test (SStT) or situational stress inventory (SSI), is a type of psychological test that presents the test-taker with realistic, hypothetical scenarios. The test-taker is asked to identify the most appropriate response or to rank the responses in ...