The Rasch simple logistic model is used to examine the relative item parameter values of a personality inventory with respect to populations cross-classified by sex and country. While items conform to the model within each of the populations, half the items show significant discrepancies among the populations. (Author/RL)

Analysis of multivariate aptitude-treatment-interaction data is discussed. Analysis procedures are illustrated using data from a science education study to describe the interaction between student reading ability and the time allowed in an individualized instructional approach for multiple achievement and attitudinal outcomes. (Author/RL)

While some forms of test bias (for example, bias in selection and prediction) appear amenable to definitional consensus, a definition of cultural bias will remain problematic so long as it is confused with the nature/nurture issue. (Author/BW)

Data on 2,380 searches of online information retrieval systems are analyzed using a mathematical model to determine the relationship between two measures of effectiveness--documents read and relevant references. The nature and relative merits of these two variables are discussed, as well as the findings, and seven references are listed. (RBF)

Describes a three-hour, one-semester graduate course to provide numerical methods and modeling techniques to handle problems in future courses or engineering practice. Includes rationale for topics such as interpolation, integration, and equation roots, among others. Indicates that all problems require computer use. (SK)

Productivity, novelty, figures of speech, flexibility, and elaboration were hypothesized to represent teachers' judgments of creativity of essay compositions. Essays were scored on the five dimensions and teachers judged essay creativity independently. Teachers' judgments were reliable, and four of the five dimensions correlated with rated…

Computer generated data are used to show that Slinde and Linn's criticism of the usefulness of the Rasch model for equating (EJ 189 585) may have been the result of an artifact produced by the manner in which the samples were chosen in their study. (CTM)

Explains methods used by the Mississippi state department of education to reimburse local school districts for vocational expenditures. Different sources of data are reported and methods for arriving at specific reimbursement rates for both secondary and postsecondary programs are depicted. (LRA)

A direct empirical test of one of the main tenets of the human capital model is offered, which shows that after completion of their compulsory education, English pupils in general are aware of the relationship between educational qualifications and average earnings. Perceived rates correspond to the actual rates estimated by earlier studies.…

Discusses computer assisted instruction programs that deal with the specific area of the modeling of systems and the programing techniques that affect their educational value. An environment intended to increase the impact of interactive CAI is described and developed. (Author/CHC)

Examines the methodology used by the authors of the article immediately preceding this one. Questions both the use of expenditure per student as a measure of educational quality and the cohort effect's influence on the differences in the wage earnings of Blacks and Whites. Available from American Economic Review, 1313 21st Avenue So., Suite 809,…

Reports on year-long classroom teaching experiments in two predominantly Latino low-socioeconomic-status (SES) urban classrooms which sought to support first graders' thinking of 2-digit quantities as tens and ones. Presents a model of a developmental sequence of conceptual structures for 2-digit numbers to describe children's thinking.…

Explores what kinds of calculus-related insights seem to typify calculus-related reasoning. Introduces "qualitative calculus" in which learning is focused on synthesis. Discusses the resemblance and difference between traditional calculus and qualitative calculus, advantages of learning qualitative calculus, and how understanding qualitative…

Describes the function game, or input-output game, and its benefits. One person is the computer and thinks of a rule. Classmates give input values and the computer gives the corresponding output. The object is to guess the rule. Benefits include the use of mental mathematics, problem solving, communication opportunities, and fostering key ideas,…

Examines the definition of journal coverage overlap in abstracting and indexing services during the past 30 years of research and expands the definition using a matrix of dissimilarity values. Multidimensional scaling analysis is applied to graphically demonstrate this definition and a naive secondary tool selection algorithm is presented. (43…