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October 22, 2014

October 22, 2014

Posted by **Angie** on Tuesday, December 4, 2012 at 11:04am.

- statistics -
**PsyDAG**, Tuesday, December 4, 2012 at 2:29pmZ = (score-mean)/SD

- statistics -
**Anonymous**, Tuesday, December 4, 2012 at 10:06pmmean-score/sd

- Correction for Anonymous -
**PsyDAG**, Wednesday, December 5, 2012 at 3:49pmEquation needs to be "score-mean" rather than the opposite, so scores above the mean will have a positive Z score and those below the mean will have a negative Z score.

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