Emma,
The process of obtaining the appropriate standardized regression
coefficient for an interaction (cross--product) is explained in ch. 3 of:
Aiken, L.S., & West, S.G. (1991). Multiple regression: Testing and
interpreting interactions. Thousand Oaks, CA: Sage.
****************************************************************
Michael R. Frone, Ph.D.
Senior Research Scientist
Research Institute on Addictions
State University of New York at Buffalo
1021 Main Street
Buffalo, New York 14203
Office: 716-887-2519
Fax: 716-887-2477
E-mail: [email protected]
Internet: http://www.ria.buffalo.edu/profiles/frone.html
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emmmasa <[email protected]>
Sent by: [email protected]
03/01/2007 11:29 AM
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Subject
st: Obtaining beta coefficient for an interaction term
Dear all:
Could anyone advise how to derive the overall beta
(standardized) coefficient for an interaction term
(e.g., bX + CX^2) for a standard OLS regression?
Thanks very much.
Emma
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