At 07:26 AM 7/25/01 -0400, Teen Assessment Project wrote:
>I am using a measure with likert scale items. Original psychometrics
>for the measure
>included factor analysis to reduce the 100 variables to 20 composites.
>However, since the variables are not interval, shouldn't non-parametic
>tests be done to determine group differences (by gender, age, income) on
>the variables?
what were you assuming about the variables when you did a factor analysis
on them???
> Can I still use the composites...was it appropriate to
>do the original factor analysis on ordinal data?
>
>
>
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_________________________________________________________
dennis roberts, educational psychology, penn state university
208 cedar, AC 8148632401, mailto:[EMAIL PROTECTED]
http://roberts.ed.psu.edu/users/droberts/drober~1.htm
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