Discusses the value of educational simulation in enhancing teaching. It is effective because it is a realistic, active learning experience, it is highly interpersonal, there is an element of play, and it demands that participants think of ideas and implement strategies and solutions. (SM)

Describes projects at the University of Central Florida to test new training technologies under controlled but realistic settings. Original plans for an "Experimental Prototyping Classroom" are discussed; and current developments in language training research, gaming technology, and virtual environments are described. (EAM)

This article examines the concept of interactivity and discusses human-to-human interactivity versus computer-to-human interaction in education. Levels of communicative interdependence are explained, variables that are important ingredients of interactivity are discussed, learner control is discussed, and two interactive instructional systems are…

A method is proposed for sequential evaluation of reliability of psychometric instruments. Sample size is unfixed; a test statistic is computed after each person is sampled and a decision is made in each stage of the sampling process. Results from a series of Monte-Carlo experiments establish the method's efficiency. (SLD)

Considers three main components of self-directed learning: (1) topic knowledge; (2) procedural skills; and (3) self-monitoring. The role of computer-assisted instruction in autonomous learning is discussed, software that fosters independent problem solving is reviewed, and it is recommended that computers be incorporated in courses emphasizing…

A computer program that replaces a set of pharmacology and physiology laboratory experiments on live animals or isolated organs is described and illustrated. Five experiments are simulated: dose-effect relationships on smooth muscle, blood pressure and catecholamines, neuromuscular signal transmission, acetylcholine and the circulation, and…

Discusses the activities of Junior Achievement of Georgia in its efforts to promote economic education. Describes programs developed on economics: a textbook, workbook exercises, a student company activity, computer based simulation, and a business consultancy. Explains the development of a curriculum for kindergarten through sixth grade and…

Computer simulations were run to measure the relationship between testlet validity and factors of item pool size and testlet length for both adaptive and linearly constructed testlets. Making a testlet adaptive yields only modest increases in aggregate validity because of the peakedness of the typical proficiency distribution. (Author/SLD)

Methodology is suggested for several statistical procedures to detect polytomously scored items that function differently for two subgroups of examinees. The 3 methods are alternative ways of combining the data from 2 x "k" tables. Simulation results demonstrate the superiority of two of the methods, designated HW1 and HW3. (SLD)

Review of research and development on the design of computer-based simulation for diagnostic training highlights the development and evaluation of eight diagnostic training systems that explored the appropriate level of student modeling needed for technology training. Topics addressed include changes in interface design, displays, and system…

Describes a variety of computer software programs and student activities utilizing the computer to help teach secondary social studies. Suggests using word processors, painting programs, and computer simulations for history and government courses. Concludes that successful use of computers in social studies instruction depends on the design of…

Techniques for adjusting census figures are discussed, with a focus on sampling error, uncertainty of estimates resulting from the luck of sample choice. Computer simulations illustrate the ways in which the smoothing algorithm may make adjustments less, rather than more, accurate. (SLD)

A two-stage process that considers the multidimensionality of tests under the framework of unidimensional item response theory is described and evaluated. Findings from a simulation indicate that gains in estimation robustness and score interpretation are possible with almost no sacrifice of goodness of fit when using this two-stage approach. (SLD)

Using one simulated and two real data sets, the effects of the systematic variation of the item-selection procedure and the stepsize method on the operating characteristics of computerized adaptive testing (CAT) for instruments with polychotomously scored rating scale items were studied. The six rating scale CAT procedures used performed well.…

Discusses and defines computer-based instructional simulations based on a review and analysis of computer-based simulation studies found in the literature. Simulation studies are classified and analyzed according to the instructional function for which the simulation was used, and needed research is suggested. (36 references) (LRW)