To assess the effect on discriminant analysis in terms of correct classification into two groups, the following parameters were systematically altered using Monte Carlo techniques: sample sizes; proportions of one group to the other; number of independent variables; and covariance matrices. The pairing of the off diagonals (or covariances) with…

A study was undertaken to assess the relationship between the DMI Mathematics Systems Objective Inventory (DMIMS) and the National Assessment of Educational Progress (NAEP) content by process matrix prepared for the Fourth Assessment of Mathematics. The DMIMS is a criterion-referenced standardized test comprised of seven levels, and it can be used…

To penetrate the growing complexity of theoretical perspectives and research methodologies surrounding organizational behavior, this paper introduces the ABC Matrix. This conceptual framework clarifies complex, repetitive organizational behavior by grouping behaviors (avoidance, buffering, and confronting) into readily understood categories.…

A graphical method is proposed which allows one to visualize a real matrix and its inverse. In this scheme, various special properties of the matrix are easily recognized. Up to 5x5 matrices can be graphed on an average page if the range of values does not exceed two orders of magnitude. (Author/LS)

Describes a set of five programs providing robust techniques that work well when the assumption of conventional analysis of variance have been violated. (Author/RC)

A simple method of monotone regression is described based on the principle of minimizing pairwise departures from monotonicity. (Author)

Two distinct approaches, one based on item response theory and the other based on observed item responses and standard summary statistics, have been proposed to identify unusual response patterns. A link between these two approaches is provided by showing certain correspondences between Sato's S-P Curve Theory and item response theory. This link…

Investigated empirically through post mortem item-examinee sampling was the feasibility of the jackknife as a procedure for approximating standard errors of estimate in multiple matrix sampling. The parameters estimated were the mean test score, second through fourth central moments of the test score distribution, and the variance of the item…

A canonical technique is explored that permits assessment to which origin positions determine destination positions within occupational structures. This procedure requires expressing the occupational positions as binary variables, then obtaining canonical correlations among the sets of binary variables. The association between origin and…

Gradient methods are employed in orthogonal oblique analytic rotation. Constraints are imposed on the elements of the transformation matrix by means of reparameterisations. (Author)

Two proposed methods of factor analyzing a correlation matrix using only the off-diagonal elements are compared. The purpose of these methods is to avoid using the diagonal communality elements which are generally unknown and must be estimated. (Author/JKS)

The effects of the violation of the assumption of normality in the conditional distributions of the dependent variable, coupled with the condition of multicollinearity upon the outcome of testing the hypothesis that the regression coefficient equals zero, are investigated via a Monte Carlo study. (Author/JKS)

Presents mathematical games that involve a problem-solving matrix, multicolored cubes, and three-dimensional dominoes. The work of Alexander MacMahon is highlighted. (MA)