Livingston K2 Coefficient and the Reliability of a Dichotomous Decision in a Psychological Test
The reliability of test scores is one of the most important psychometric properties of a psychological test. However, the tests are often used for dichotomous classifications of people, as in tests used for screening or recruitment purposes. In such cases, the conventional reliability coefficients a...
| Autor Principal: | Gempp, Rene; Facultad de Economía y Empresa Universidad Diego Portales |
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| Otros Autores: | Saiz, José Luis; Departamento de Psicologia Universidad de La Frontera |
| Formato: | info:eu-repo/semantics/article |
| Idioma: | spa |
| Publicado: |
Pontificia Universidad Javeriana
2013
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| Materias: | |
| Acceso en línea: |
http://revistas.javeriana.edu.co/index.php/revPsycho/article/view/4175 |
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| Sumario: |
The reliability of test scores is one of the most important psychometric properties of a psychological test. However, the tests are often used for dichotomous classifications of people, as in tests used for screening or recruitment purposes. In such cases, the conventional reliability coefficients are not suitable for estimating the accuracy of the scores. This paper introduces the coefficient K2 of Livingston (1972, 1973) and demonstrates its use through two empirical examples to estimate the reliability of a classification based on psychological tests. |
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