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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Random Rater Design:<br />
<strong>Reliability</strong> for Individual Score<br />
MSB<br />
ICC =<br />
Source | Partial SS df MS<br />
---------+--------------------------------<br />
Model | 134.00 11 12.1818182<br />
ta | 114.00 9 12.6666667<br />
Rater | 20.00 2 10.00<br />
Residual | 10.00 18 .555555556<br />
-----------+------------------------------<br />
Total | 144.00 29 4.96551724<br />
MSB − MSE<br />
+ ( m −1)<br />
* MSE + m * ( MSRater − MSE ) / I<br />
12.67 – 0.56<br />
12.67 +( 2*.56) + 3*(10.0 – .56)/10<br />
= .72