A general purpose computer program for the calculation of a matrix of tetrachoric correlations is described. This program was developed for use in adaptive (and other) testing research for examining the unidimensionality assumption in latent trait theory, in conjunction with available factor analysis programs. Several other potential applications,…

Characteristics of student financial aid systems are reported and a framework for evaluating student financial aid systems and classifying major data processing designs is presented. The goals of a student financial aid system are discussed, including improved service to students, increased utilization of available funds, compliance with…