Many methodologists are aware that parametric tests associated with the analysis of variance and the analysis of covariance can be computed using regression procedures. It is shown that multiple linear regression can also be employed to compute the Kruskal-Wallis nonparametric analysis of variance. (Author)

The author is generally critical of the previous article (TM 503 686), which concerned the use of multiple regression for nonparametric analysis of variance. (JKS)

Issues in analysis of covariance, multiple regression analysis, and the analysis of variance such as the assumption of independence and directional hypotheses are discussed. (JKS)

The students in a basic course on probability and statistics in Trinidad demonstrated that the number of fatal highway accidents appeared to follow a Poisson distribution while the length of time between deaths followed exponential distribution. (MN)

Opinions from a survey of 9,000 teachers on teacher health are summarized. The role of the school principal in promoting teacher health is considered crucial. (MJB)

Questions are raised concerning the statistical methodology employed in the NILN. The author states that "better and more appropriate statistical methodology should be incorporated in future studies on library needs" and two alternatives are suggested. (JPF)

This critique points out weaknesses regarding the test measures used by Munsinger and Douglass and questions the validity of these measures for the ages of the children used in their study. (JMB)

In this study of teacher/course evaluations by college students, the authors found that different stated purposes for the evaluation (student use, instructor use, or administrator use) had no differing effects on student ratings. Graduate teaching assistants received higher ratings than did either assistants or full professors. (MJB)

A summary is given of investigations examining the attitudes of five- to twelve-year old children concerning (1) definitions of health and illness, (2) concepts of causation and prevention, (3) perceptions of vulnerability, and (4) use of health care providers, and suggestions are presented for implementing specific educational processes based on…

This study tested competing interpretations of IQ deficit in schizophrenic patients. One interpretation (concomitancy hypothesis) holds that IQ loss is a product of schizophrenic symptoms and is remedied as the symptoms remit. The second (prodromal hypothesis) holds that IQ deficit preceeds and facilitates the development of schizophrenic disorder…

Estimates of frequency of spelling errors are made based on a sample of 3,600 index terms drawn from 11 bibliographic data bases. The impact of these errors is discussed by tape supplier, tape user, and end user; with some suggestions for search strategies.

This paper suggests that, at present, a science of natural developmental processes does not exist because few studies are concerned with development as it transpires in naturalistic environments and because truly developmental data are not collected or analyzed. (Author/JMB)

A theoretical model for estimating the effects of age and incentive on children's performance in probability learning is introduced. Novel predictions of the model about the effects of combinations of age and incentive were tested and confirmed. (Editor/RK)

The possibility that subjective contours are an artifact of brightness contrast was explored. Concludes that subjective contour and brightness contrast are distinct perceptual phenomena but share a dependency on the processing of edge information transmitted through the achromatic channels of the visual system. (Editor/RK)