Black students from two cities and Mexican-American students, both male and female, showed small but consistent tendencies to perform better, relative to White groups, on three nontraditional measures: tests of inductive reasoning, spatial scanning, and associative memory. These measures showed somewhat less discrepancy between the groups than did…

This article describes two studies that examined the effects of pictorial and written annotations on second language (L2) vocabulary learning from a multimedia environment. In both studies, students were randomly assigned to one of four aural multimedia groups: a control group that received no annotations, and three treatment groups that provided…

In the past 150 years, educational systems have expanded and become integrally linked with economic, political, and social status in modern nation-states. As the stakes for education have risen, so has the call for more and improved use of scientific evidence as a basis for educational policymaking. Evidence from averaged scores on international…

This paper discusses the issue of multiple testing and overall Type I error rates in contexts other than multiple comparisons of means. It demonstrates, using a 5 x 5 correlation matrix, the application of 5 recently developed modified Bonferroni procedures developed by the following authors: (1) Y. Hochberg (1988); (2) B. S. Holland and M. D.…

The use of multiple comparisons in analysis of variance (ANOVA) is discussed. It is argued that experimentwise Type I error rate inflation can be serious and that its influences are often unnoticed in ANOVA applications. Both classical balanced omnibus and orthogonal planned contrast tests inflate experimentwise error to an identifiable maximum.…

Two strategies, derived from J. P. Schaffer (1986), were compared as tests of significance for a complete set of planned orthogonal contrasts. The procedures both maintain an experimentwise error rate at or below alpha, but differ in the manner in which they test the contrast with the largest observed difference. One approach proceeds directly to…

Significant relationships between the Holland Vocational Preference Inventory (VPI) and the Strong Vocational Interest Blank (SVIB) were again empirically demonstrated in this study, and conversion equations were developed to use standard scores of SVIB scales, rather than items, to produce estimates of VPI scores. (Author)

Many conservation studies have been performed using time consuming individual testing. The sequential studies reported in this paper describe the development of a group film test of conservation. (Author)

The results show that the delay-retention effect occurs under conditions approximating those of real instruction and confirm the interference-perseveration interpretation of the phenomenon. (Author)

Four different extensions to McNemar's problem concerning the hypothesis of equal probabilities for the unlike pairs of correlated binary variables are considered, each for testing simultaneous equality of proportions of unlike pairs in c independent populations of correlated binary variables, but each under different assumptions and/or additional…

INFORMATION WAS OBTAINED CONCERNING BASIC LEARNING CHARACTERISTICS OF RETARDED CHILDREN USING, INSOFAR AS POSSIBLE, MATERIALS WITH WHICH THEY HAVE HAD LITTLE OR NO PREVIOUS FAMILIARITY. THIRTY MENTALLY RETARDED AND AN EQUAL NUMBER OF NORMAL CHILDREN RANGING FROM 8 TO 9 YEARS IN MENTAL AGE WERE THE SUBJECTS OF THE STUDY. STANDARDIZED LISTS OF…

SEVENTH- AND EIGHTH-GRADE PUPILS WERE SELECTED FOR THIS STUDY OF DIFFERENCES BETWEEN GOOD AND POOR PROBLEM-SOLVERS AND FOR AN ANALYSIS OF PROBLEM-SOLVING ABILITY. THESE PUPILS WERE OLD ENOUGH FOR MANY TESTS IN LARGE-SCALE FACTOR ANALYSES OF REASONING ABILITY, AND HAVE HAD LITTLE PARTICIPATION IN FORMAL PROBLEM-SOLVING ACTIVITIES. SEVERAL TESTS OF…

In the fall of 1968, 269 males and 167 females at Central Virginia Community College were administered the Holland Vocational Preference Inventory. Statistical comparisons were made scale-for-scale between these students and national normative group average scores. The comparisons of means and standard deviations were analyzed by "t"…

This study sought to test the interpretation that high test anxiety subjects performed more poorly on difficult material because they divided their attention between personally relevant and task relevant concerns to a greater degree than did low anxiety individuals. It was reasoned that such division of attention ought to require more time for…