The RMSEA, and the associated confidence interval
procedure, was [as noted by McCallum, et al.]
originated by Steiger and Lind (1980). The program
Statistica Power Analysis, available from StatSoft
at http://www.statsoft.com/power_an.html ,
includes a module written by Steiger that automates the
power analysis procedure for parameters
other than those used by MacCallum, et.al.,
but the tables in Bud MacCallum's article may
well be sufficient for your purposes.
James H. Steiger
Dept. of Psychology
University of British Columbia
Vancouver, B.C. V6T 1Z4
email [EMAIL PROTECTED]
On 15 Mar 2001 15:06:28 -0800, [EMAIL PROTECTED] (Paul R
Swank) wrote:
>I have used the method in this article and it is fairly simple and based on the root
>mean square error of approximation.
>
>
>MacCallum, R., Browne, M., & Sugawara, H. (1996). Power analysis and determination of
>sample size for covariance structure modeling. Psychological Methods, 1, 130-149.
>
>
>At 03:44 PM 3/15/01 -0600, Scheltema, Karen wrote:
>
>>Is there some software or algorithm to do sample size/power calculations for
>
>>path analysis?
>
>>
>
>>Karen Scheltema
>
>>Statistician
>
>>HealthEast
>
>>Research and Education
>
>>1700 University Ave W
>
>>St. Paul, MN 55104
>
>>(651) 232-5212 fax (651) 641-0683
>
>>[EMAIL PROTECTED]
>
>>
>
>>
>
>>
>
>>
>
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>------------------------------------
>
>Paul R. Swank, PhD.
>
><smaller>Professor & Advanced Quantitative Methodologist
>
></smaller>UT-Houston School of Nursing
>
>Center for Nursing Research
>
>Phone (713)500-2031
>
>Fax (713) 500-2033
>
>
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