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
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
xy<br />
r<br />
TxTy<br />
=<br />
solve for r xy<br />
r<br />
r<br />
xy<br />
xx<br />
r<br />
yy<br />
= rTxTy<br />
× rxxryy<br />
Solution 7<br />
=<br />
. 95<br />
. 30<br />
×<br />
. 70<br />
=<br />
. 367883<br />
= . 367883×<br />
. 95*<br />
. 40 =<br />
. 227