Longitudinal scalogram analysis: A methodology and microcomputer program for Guttman scale analysis of longitudinal data |
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Authors: | Ron D Hays Phyllis L Ellickson |
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Institution: | 1. RAND Corporation, 1700 Main Street, 90406-2138, Santa Monica, CA
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Abstract: | Guttman scalogram analysis has been limited to cross-sectional analysis. Longitudinal scalogram analysis (LSA), a direct extension of cross-sectional scalogram analysis to longitudinal-data, is proposed as an alternative methodology. The benefits of LSA relative to cross-sectional methods of analysis are discussed. |
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