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Activity Number: 203
Type: Contributed
Date/Time: Monday, August 10, 2015 : 11:35 AM to 12:20 PM
Sponsor: Survey Research Methods Section
Abstract #317837
Title: Providing Weight to Unit-Weighting: Generalizability of Unit-Weighted Factor Scores
Author(s): Rafael Garcia*
Companies: The University of Arizona
Keywords: factor score estimation ; generalizability ; critical multiplism ; sampling ; unit-weighting
Abstract:

Many procedures for generating latent factor scores can be found in the literature. One major division is the use of differential weighting versus unit weighting of indicators. Simulation studies show that the two methods highly correlate; however, unit weighting appears to yield results that are overall more generalizable across research studies. The literature does not appear to provide a theoretical rationale for why this might be the case. This presentation posits that just as the mean of a sample of participants' scores is often the best estimate we have of a population parameter, the mean of several standardized, manifest indicators is often the best estimate we have of a latent trait.


Authors who are presenting talks have a * after their name.

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