There are times in survey research when missing values need to be estimated. The robustness of four variations of regression and substitution by mean methods was examined using a 3x3x4 factorial design. The regression variations included in the study were: (1) regression using a single best predictor; (2) two best predictors; (3) all available…

This paper provides an overview of a prototype simulation-centered intelligent computer-based training (CBT) system--implemented using expert system technology--which provides: (1) an environment in which trainees can learn and practice complex skills; (2) a computer-based coach or mentor to critique performance, suggest improvements, and provide…

This study developed and investigated an empirical sampling distribution of the congruence coefficient. The effects of sample size, number of variables, and population value of the congruence coefficient on the sampling distribution of the congruence coefficient were examined. Sample data were generated on the basis of the common factor model and…

The stepwise regression method of selecting predictors for computer assisted multiple regression analysis was compared with forward, backward, and best subsets regression, using 16 data sets. The results indicated the stepwise method was preferred because of its practical nature, when the models chosen by different selection methods were similar…

This study examined the effect of three aspects of the testing context--physical privacy, anonymity, and offers of help from a tester--on children's expectations. Performance of 96 11-year-old boys and girls on a pictorial recall memory task in a simulated test was evaluated. The subjects were divided into eight different groups varying on the…

This paper describes the Structure-Mapping Engine (SME), a cognitive simulation program for studying human analogical processing. SME is based on Gentner's Structure-Mapping theory of analogy, and provides a "tool kit" for constructing matching algorithms consistent with this theory. This flexibility enhances cognitive simulation studies by…

There are a number of areas in psychology where an electronic spreadsheet simulator can be used to study and explore functional relationships among a number of parameters. For example, when dealing with sensation, perception, and pattern recognition, it is sometimes desirable for students to understand both the basic neurophysiology and the…

The attractive features of various strategies for resolving a simulated commons dilemma (a paradox in which a long-term benefit requires the individual to forego immediate gain) were determined in conditions where 40 groups of college age participants (total number = 136) were acting as a world policy making body or local advisory group when there…

This Digest points out characteristics of quality computer software for children, describes different kinds of software, and suggests ways to get software for preview. The need to consider the purpose for which the software is to be used and the degree to which the software meets its stated goals is noted. Desirable software characteristics and…

This report is the first of two volumes which document the Instructor Support Feature (ISF) Guidelines for aircrew training. Designed to provide a communication vehicle among personnel involved in the acquisition process for new aircrew training devices (ATDs), these guidelines focus on the development of specifications for the instructional…

Noting that few scholars have examined specifically how technology is affecting basic communication processes, students in interpersonal, small group, and advanced presentational forms classes studied the systems model of interpersonal communication. The systems model described by P. Emmert and W.C. Donaghy includes the following components:…

Literature on classroom drama suggests that there is considerable untapped potential for using drama as a teaching method in the English classroom. Studies have shown that high school students using dramatic enactment experienced more instances of higher order thinking, more topic-specific emotions, decreased apprehension, and less…

This paper describes the highlights of a review of both commercially available videodiscs and research prototypes that was undertaken for the Interactive Videodisc Project, and sets out design principles suggested by the best examples, which take advantage of the unique characteristics of laser videodisc technology. Design options on three levels…

This paper describes the use of video to provide a screenplay depiction of a proposed artificial intelligence software system. Advantages of such use are identified: (1) the video can be used to provide a clear conceptualization of the proposed system; (2) it can illustrate abstract technical concepts; (3) it can simulate the functions of the…

This paper discusses the styles of computer-based learning and computer-based training in terms of their fundamental characteristics, including balance of control between program and learner, and the kinds of learning activity they induce. Learning and training are not considered to be intrinsically different in practice, and styles such as…