EVALUATION OF GENERAL CLASSES OF RELIABILITY ESTIMATORS OFTEN USED IN STATISTICAL ANALYSES OF QUASI‐EXPERIMENTAL DESIGNS
- Conference date: 18–20 July 2008
- Location: Chiangmai (Thailand)
In this paper major reliability estimators are analyzed and there comparatively result are discussed. There strengths and weaknesses are evaluated in this case study. Each of the reliability estimators has certain advantages and disadvantages. Inter‐rater reliability is one of the best ways to estimate reliability when your measure is an observation. However, it requires multiple raters or observers. As an alternative, you could look at the correlation of ratings of the same single observer repeated on two different occasions. Each of the reliability estimators will give a different value for reliability. In general, the test‐retest and inter‐rater reliability estimates will be lower in value than the parallel forms and internal consistency ones because they involve measuring at different times or with different raters. Since reliability estimates are often used in statistical analyses of quasi‐experimental designs.
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