Warren A Reich

3 Questions 9 Answers 0 Followers

Questions related from Warren A Reich

How is a confidence interval calculated for an Area Under the Curve (ROC)?

I don't see a CI in the SPSS output, even though I selected that option, and want to test the significance of the difference between two AUC's.

07 July 2016 2,524 9 View

What to do with an unreliable scale?

Hello all, I have a few scales (4 - 6 items each) that should be reliable but are not. Cronbach alphas range from .55 to .68, which are not improved by deleting individual items. My question is:...

07 July 2016 1,684 3 View

Can I run a confirmatory factor analysis on this data?

Hello all, I have some data from a drug court sample set up into a modified multi-trait-multi-method matrix. I'm wondering whether it's appropriate to apply CFA. I have two constructs: drug...

01 January 1970 555 5 View