SAGE Reference - Encyclopedia of Educational Leadership and Administration

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Validity and Reliability

In: Encyclopedia of Educational Leadership and Administration
Edited by: Fenwick W. English
Subject:Leadership, Educational Administration & Leadership (general)

Reliability and validity are two basic concepts in test theory. Reliability refers to the consistency of measures. One type is the test-retest reliability. In this approach, a test is administered to the same group of people twice, with a certain interval ...

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  English, F. W. (2006). Validity and reliability. In Encyclopedia of educational leadership and administration (Vol. 1, pp. 1047-1048). SAGE Publications, Inc., https://dx.doi.org/10.4135/9781412939584.n584
  
  English, Fenwick W. "Validity and Reliability." In Encyclopedia of Educational Leadership and Administration, edited by English, Fenwick W., 1047-48. Thousand Oaks, CA: SAGE Publications, Inc., 2006. https://dx.doi.org/10.4135/9781412939584.n584.
  
  English, F. W. 2006. Validity and Reliability. In: Fenwick W. English Editor, 2006. Encyclopedia of Educational Leadership and Administration, Thousand Oaks, CA: SAGE Publications, Inc. pp. 1047-1048 Available at: <https://dx.doi.org/10.4135/9781412939584.n584> [Accessed 3 Jul 2022].
  
  English, Fenwick W. "Validity and Reliability." Encyclopedia of Educational Leadership and Administration. Edited by Vol. 1. Thousand Oaks: SAGE Publications, Inc., 2006, pp. 1047-48. SAGE Knowledge. 3 Jul 2022, doi: https://dx.doi.org/10.4135/9781412939584.n584.
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