Alternative ways of analyzing data from Aptitude Treatment Interactions were examined over a two-year period. In light of past arguments the author maintains that the questions surrounding aggregation have been badly posed and that the customary methods of analysis were either incorrect or subject to misinterpretation. Therefore, the majority of…

Outlines the simple exercise of measuring the length of an object as a concrete paradigm of the entire process of making chemical measurements and treating the resulting data. Discusses the procedure, significant figures, measurement error, spurious data, rejection of results, precision and accuracy, and student responses. (TW)

Presents results from an exhaustive survey of Hertfordshire (England) primary schools which provides detailed information on microcomputer provision, classroom use, and headteachers' and teachers' aims and attitudes. An analysis of factors that influence microcomputer use is included. (Author/MBR)

A competency-based evaluation (skills test, minimum competence standard, attitude survey) conducted to measure effectiveness of large scale basic library skills workbook program showed that workbook instruction made statistically significant improvement in test scores, but failed to raise more than 53% of students to a minimum-competence level.…

This study compares the rates of single renewal and return from the home loan of English language books of The Ohio State University Libraries across subjects and patron status. The chi square test of equal proportionality is used to make comparisons between data sets. Ten sources are given. (Author/EJS)

A random sample of 113 members of the American Vocational Education Research Association (AVERA) was surveyed to obtain baseline information regarding AVERA members' perceptions of statistical significance tests. The Psychometrics Group Instrument was used to collect data from participants. Of those surveyed, 67% were male, 93% had earned a…

Describes a study of fifth-grade students in Taiwan that explored the differential effects of intergroup competition on intragroup cooperation and interpersonal relationships within groups in a computer-assisted instruction (CAI) environment. Statistically significant differences were found between the two treatment conditions (with and without…

The purpose of this study was to construct and study the impact of a research-based sequence for teaching the concept of modelling to seventh-grade science students. We identified students' notions of models and the aspects of school science to be addressed regarding the model concept, which were then taken into account when we planned the…

This study examined the reliability and validity of scores from the Multidimensional Inventory of Black Identity with 550 Euro-American, 112 Latino, and 41 Native American undergraduates. Data for the Centrality, Private Regard, and Public Regard scales indicate that these scores have construct validity. Scores have acceptable Cronbach alpha…

This study was designed to examine the effects of math anxiety and perfectionism on math performance, under timed testing conditions, among mathematically gifted sixth graders. We found that participants had worse math performance during timed versus untimed testing, but this difference was statistically significant only when the timed condition…

The relationship between scores on the American College Test (ACT) and grade point averages of first-time college freshmen after the first year of study was investigated by correlating ACT composite scores and grade point averages (GPAs). ACT scores and GPAs were obtained for 100 first-time freshmen at an urban state university in Illinois. There…

The effects of previous mathematics, statistics, and computer science coursework; attitudes toward statistics and computers; and mathematics ability on statistics achievement were studied for 289 college students over 4 semesters. A secondary purpose of the study was to determine the effect of the computer laboratory component of an inferential…

THE FAMILY CHARACTERISTICS, PEER RELATIONS, PERSONAL VALUES, AND ATTITUDES WHICH DISTINGUISH BETTER FROM POORER READERS, AND TEACHER CHARACTERISTICS RELATED TO IMPROVEMENT OR DECLINE IN READING ABILITY BETWEEN THIRD AND SIXTH GRADE TESTING POINTS, WERE INVESTIGATED. INTERVIEWS WERE CONDUCTED WITH 705 6TH, 8TH, 10TH AND 12TH GRADE STUDENTS WHO WERE…

It may be possible, using assessments of motor and perceptual skills which are largely independent of ethnic and educational background, to admit to the military individuals who would be rejected on the basis of their paper-and-pencil test scores, but who through their performance on non-verbal measures, can be identified as highly likely to…

Describes a study in which 46 high socioeconomic status elementary and secondary children were exposed to Logo and Bank Street Writer at a computer camp. After exposure, children 12 and under minimally shifted toward an internal locus of control as measured by the Nowicki-Strickland Locus of Control Scale for Children. (Author/MBR)