Examines the nature of empirical research in six public administration-related journals by focusing on the purpose of published research, research designs, and statistical techniques. Suggests that a cumulative knowledge base is not being developed by public administration scholars. (Author/JOW)

Discusses a 1993 study by Frazier, d'Arcais, and Coolen intended to test Schreuder's (1990) Morphological Integration model concerning the processing of separable and inseparable verbs. Suggests that the logic of the experiment is flawed and that the data do not warrant the author's conclusions. (DR)

Discusses a 1993 study by Frazier, d'Arcais, and Coolen intended to test Schreuder's (1990) Morphological Integration model concerning the processing of separable and inseparable verbs, and attempts to refute Kempen's objections to their interpretation of the experimental results in this issue. (DR)

Discusses training costs and methods for evaluating the effectiveness of training. Topics addressed include tracking training investments; tracking individual and business performance, including measurement techniques; research designs for analyzing performance; demonstrating return on investment; reasons for low return on investment; and ways to…

Notes that longitudinal data can play an important role in child psychopathology and treatment. Introduces review of some of the research questions that longitudinal designs can answer and how longitudinal studies have been used in evaluating traditional syndromes in child clinical psychology. (Author/NB)

Responds to previous article (Thomas, 1990) by discussing principles of research validity and research design. Concludes that humanistic values must be maintained during the quest for knowledge and professional status. Sees ultimate goal of all endeavors of rehabilitation researchers, educators, and professionals to be promotion of welfare of…

Discusses issues to consider when investigating behavioral effect of foods, including idiosyncratic response to particular food, necessity of identifying individual sensitive to food being studied, necessity of including washout phase, consideration of withdrawal effects, assessment of change, dietary challenge, and time parameter necessary for…

Discusses two areas for improving consultation research: defining "boundary" conditions for consultation and analogue research and expanding measures used to evaluate consultation outcome research. Defines consultation as egalitarian relationship between consultant and consultee focusing on problem of third party client and resulting in…

To predict suicide, explicit causal models of suicide outcome are needed in which predictors are temporally ordered and then tested statistically. Because suicide is a dichotomous, nominal scale outcome, only certain statistics for prediction are appropriate. Logistic regression, which utilizes the likelihood ratio test of statistical inference,…

Comparison of six procedures to test for location equality among two or more groups when population variances are heterogeneous suggests that, when the variance homogeneity and normality assumptions are not satisfied, and the design is unbalanced, the use of any of these test statistics with the usual least squares estimators is not recommended.…

Describes qualitative techniques and their use in industrial and vocational psychology for theory generation, elaboration, and testing. Discusses research design, data analysis, and best practices using qualitative methods. Contains 54 references. (SK)

Provides an introduction to this special issue. Summarizes the process of topic selection, article format, and topic sequence. (GCP)

Argues that Weinrach et al. (1998) made unwarranted claims about the number of psychologists publishing in the "Journal of Counseling and Development" during 1978 to 1993 as well as their membership in the American Counseling Association. Discusses methodological and conceptual problems with the Weinrach et al. article and discusses the…

Drawing on papers by the statistician Robert Matthews, this article questions the standard formula for tests of significance used to validate research results, returning instead to the theorem proposed by Thomas Bayes in the eighteenth century, which starts with a subjective assessment of plausibility. (Author/DB)

Describes many-facet Rasch analysis, which provides a basis for making fair and meaningful decisions from individual ratings by judges. Gives examples of crossed, nested, and mixed designs to illustrate how a Rasch analysis may be modified to meet the connectivity requirement for comparing facet measures. (SLD)