Taking the establishment of structured doctoral programmes in Germany as an example, this paper focuses on how knowledge production in certain academic fields reshapes their doctoral education in a widely changing policy context. Based on case studies of eight graduate schools in three research fields, namely economics, life sciences, and…

Using Microsoft® Excel, several interactive, computerized learning modules are developed to illustrate the Central Limit Theorem's appropriateness for comparing the difference between the means of any two populations. These modules are used in the classroom to enhance the comprehension of this theorem as well as the concepts that provide the…

This article deals with an on-line soils module project. The two goals for this part of the project were to determine if an on-line soils module could be successfully used for asynchronous instruction of two diverse populations and to determine which demographic factors are related to test performance. The module was presented to an eighth-grade…

This instructional module discusses the one-, two-, and three-parameter logistic item response theory (IRT) models. Mathematical formulas are given for each model and they are compared, with figures illustrating the effects of changing parameters. A single data set is used to demonstrate the effects of changing parameter values. (SLD)

To determine whether individual differences in student achievement and learning rate are reduced or eliminated by mastery instruction, 166 navy trainees who completed a computer-managed course in basic electricity and electronics were cluster analyzed using 24 measures of cognitive characteristics. Discriminant analyses were computed between two…

An interdisciplinary environmental education program was introduced on an experimental basis into high school social studies and science courses in an effort to produce competencies in environmental problem solving. Ninth and tenth grade classes in a suburban school district in Atlanta participated in the study. The ninth graders were of average…