The present study was addressed to the group AOV situation. Onte Carlo methods were employed to contrast several procedures with respect to a. ) control over Type 1 errors and b. ) power. (Editor)

The present study contrasted the robustness of the WSD and the F test to heterogeneity of variances. (Author)

It is the purpose of this paper to provide social scientists with some insight in dealing with Type 11 error, that is, the probability of failing to reject a false null hypothesis, and therefore, optimum sample size and number of levels, in the random-effects analysis of variance. (Author/RK)

This paper deals with the situation where scores on a number of parallel tests are obtained for each of a set of persons, and these persons are assumed to constitute, in so far as their scores for the tests are concerned, a random sample from some population of interest. (Author)

The present study examines the effects of two common stresses, noise and sleep loss, on task performance. (Author/RK)

Hemifield differences in the recognition of briefly presented words were investigated in children ranging in grade level from second grade through college. (Editor)

This study investigated the validity of the assumption that pass-fail courses correlate with less academic achievement and considered other factors relevant to the basic justification for the pass-fail system. (Author/RK)

Investigates the relationship between Rotter's (1966) Internality-Externality Scale and Kohlberg's (1971) Morality Scale. Specifically addresses the question of whether Rotter's internal individual will be functioning at a higher level of Kohlber's stages of morality than the external individual. (Author/RK)

Children learn noun pairs presented in sentences more readily than noun pairs presented alone; such a sentence effect is not found in college students. Two experiments were performed to evaluate the hypothesis that this discrepancy can be attributed to an interaction between experimental conditions and developmental level. (Editor)

This study is a followup of a sample of 222 teachers with two years experience. Their self-ratings of satisfaction and dissatisfaction with teaching and the rating of their head teachers were measured on a scale based on the critical incident technique'. (Author/RK)

This study sought to ascertain the effects of specially designed self-instructional modules (SIMs) upon the preparation of secondary-level social studies teacher-trainees. (Author)

Study attempts to determine the personality characteristics of high school students with an accent on two stereotypes, hippies'' and straights''. (RK)

Maximum likelihood factor analysis provides an effective method for estimation of factor matrices and a useful test statistic in the likelihood ratio for rejection of overly simple factor models. A reliability coefficient is proposed for analysis of factor solution. (Author/RK)

The purpose of this study was to empirically determine the effects of quantified violations of the underlying assumptions of parametric statistical tests commonly used in educational research, namely the correlation coefficient (r) and the t test. The effects of heterogeneity of variance, nonnormality, and nonlinear transformations of scales were…

This is a final report of support received through the National Institute of Education (NIE) to assist in research on the writing ability of United States children. The study began under the auspices of the International Association for the Evaluation of Educational Achievement (IEA) in order to contribute to a cross national assessment of…