| Abstract: | The sampling procedures were designed so that the full matrix of item variances and covariances could be estimated. Three subtest sizes were investigated- subtests of size five, nine and sixteen items. In each of these implementations a double cross validation was used yielding two predicted scores for each individual. Discrepancy measures were also computed showing the difference between the observed and the predicted scores. The prediction of individual scores was accomplished within various ranges of error. The correlations between predicted scores and observed scores ranged from the .70′s to the .90′s, depending on the number of predictor variables used. The procedure is applicable in situations in which large numbers of individuals are tested or in situations where multiple measures are taken. |
