Lecture 4: Principles of Psychometrics: Reliability II - jhsph ocw
Lecture 4: Principles of Psychometrics: Reliability II - jhsph ocw
Lecture 4: Principles of Psychometrics: Reliability II - jhsph ocw
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<strong>Reliability</strong> <strong>of</strong> Individual Scores in<br />
Unique Rater Design<br />
MSB − MSW<br />
MSB + ( m −1)<br />
MSW<br />
Where m = number <strong>of</strong> raters per TA<br />
Continuing with our example:<br />
( 12.<br />
67 −1.<br />
50)<br />
Re liability<br />
=<br />
=<br />
12.<br />
67 + ( 3−1)<br />
* 1.<br />
50<br />
. 7128