Areas of agreement and disagreement concerning intellectual developmental and the problems of mental retardation espoused by the author and by Uzgiris are discussed in this paper. The importance of environmental factors, along with the genetic and/or constitutional nature of the organism on which these environmental events impinge, is seen as…

These papers were presented at a series of conferences on language and cultural differences organized by the Texas Education Agency to help school administrators deal with bilingual education, racial integration, and implementation of court orders. The papers address five areas of concern: the concept and definition of culture, culture and the…

This illustrated booklet describes the physical, social, cognitive, sensory, and motor development of the typical infant during the first 12 months of life. Each of 12 chapters is concerned with successive months in a child's first year and is divided into three sections. Specific stimulating activities (i.e., handing toys to the infant's…

The problem of variability of data, even in presumable homogeneous subgroupings of handicapped children, which contaminates the results of many special education curriculum evaluation studies is examined with a study of 103 second-grade learning disabled students. The distortion of statistics calculated on samples of extreme variability; coupled…

The method of using person vectors in regression analysis to test repeated measures hypotheses or questions is discussed. These hypotheses involve designs with pre and post scores with one group and with multiple groups. Based on these analyses with person vectors, there are two major focuses of the paper: a proposed solution to the problem of…

Research into the personality characteristics of Negroes attending a predominantly white university and a predominantly black college was conducted. The colleges are both in an urban area with tuition, student enrollment, and course offerings approximately the same at both schools. Their major difference is in the composition of the student body.…

Criterion-referenced testing is defined and some of its background is discussed. A distinction is made between criterion-referenced scores, norm-referenced scores, cut-off scores, criterion scores, criterion variables, and content-standard scores. The relationship between norm-referenced information and criterion-referenced information is…

An attempt was made to distinguish between capacity and motivational interpretations of individual differences in children's creativity. Creativity tasks required the child to name as many ideas as he could that met a simple problem requirement. Tasks were given under "base line" conditions and with a reward of one cent for each idea given. If…

This paper incorporates findings and plans by Human Resources Research Organization research units, on training and performance of men varing in aptitude and ability level. The research objectives of the study were to obtain information on what, if any, impact men enlisted under the program would have on training and operations, and to understand…

Hypotheses about the effects of anxiety on performance in computer-assisted instruction (CAI) were formulated and then tested. High school students and college students were used in the experiments. Learning materials used were in the subjects of science, mathematics, psychology, physics, and educational research. Two settings were compared: a…

A study was developed to evaluate the effectiveness of a preinstruction retention index (designed to maximize recall of mathematical concepts by predicting the idiosyncratic number of examples per mathematical concept required by each student). Subjects, 27 female and 26 male eighth grade students, were administered a retention measure through…

Using 40 male and 40 female part time learners with an average age of 36.6, this program planning study explored relationships between selected learner characteristics and behaviorally stated cognitive instructional objectives (IOs). Variables included age, sex, socioeconomic status, verbal ability, and a measure of learners' goals or learning…

The Anchor Test Study provides a method for translating a pupil's score on any one of eight widely used standardized reading tests for Grades 4, 5, and 6 to a corresponding score of any of the other seven tests, as well as furnishing new nationally representative norms for each of the eight tests. In addition, the Study presents new estimates of…

The Anchor Test Study provides a method for translating a pupil's score on any one of eight widely used standardized reading tests for Grades 4, 5, and 6 to a corresponding score of any of the other seven tests, as well as furnishing new nationally representative norms for each of the eight tests. In addition, the Study presents new estimates of…

The Anchor Test Study provides a method for translating a pupil's score on any one of eight widely used standardized reading tests for Grades 4, 5, and 6 to a corresponding score of any of the other seven tests, as well as furnishing new nationally representative norms for each of the eight tests. In addition, the Study presents new estimates of…