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Peer reviewed Peer reviewed
Marcoulides, George A.; Goldstein, Zvi – Educational and Psychological Measurement, 1990
A methodology for determining the optimal number of observations to use in a measurement design when resource constraints are imposed is presented. Two- and three-facet designs are outlined. Parallel closed form formulae can easily be determined for other designs. (TJH)
Descriptors: Equations (Mathematics), Estimation (Mathematics), Generalizability Theory, Mathematical Models
Peer reviewed Peer reviewed
Jarjoura, David; And Others – Evaluation and Program Planning, 1993
A synthetic method of estimating relative annual prevalence of severely mentally disabled (SMD) adults across Ohio's mental health board areas was evaluated. Indirect evidence of accuracy for the method, which relies on local catchment area data and local census data, is provided by comparison with actual SMD adult counts in federal programs. (SLD)
Descriptors: Adults, Census Figures, Demography, Equations (Mathematics)