A study was made of the effect of various learner and task characteristics on learning from scrambled frames in an instructional program. The independent variables were: sequence (scrambled vs. logical), grade, sequence length, criterion test complexity, sex, IQ, mathematics achievement, and reading comprehension. The dependent variables were:…

The role of certain personality and intellectual factors in the vocational adjustment of a sample of 133 vocational rehabilitation clients with a variety of problems was investigated. All subjects were administered the Minnesota Multiphasic Personality Inventory (MMPI), the Rorschach, the Kuder Personal Preference Record, and the Wechsler Adult…

Tests were administered to 209 educable mentally handicapped children (mean age 10.8, mean IQ 77) to determine factors related to speech hearing. Results indicated that mental age, intelligence quotient, physiological age, institutionalization, and organic bases for retardation were not significantly related either to speech reception threshold or…

The performances on selected measures of reading achievement and intelligence of 24 educationally disadvantaged adults and two groups of elementary children were investigated and compared. The first group of children was drawn from a low socioeconomic level, and the second, from a high socioeconomic level. There was a stronger correlation between…

Compared were performances of 39 educable mentally retarded (EMR) Ss, mean chronological age (CA) 11 1/2 years, mean mental age (MA) 7 3/4 years; 25 fifth graders matched on CA; and 27 second graders matched on MA to determine whether children of different ages and IQ spontaneously demonstrate learning strategies after repeated practice with…

The purposes of the study to determine psychometric characteristics of the Series Learning Potential Test, the effects of Learning Potential training on Series scores, and the relationship of Series scores to IQ, race, social class, and reading achievement. The Series Test was administered to students in 79 classrooms in five Connecticut towns…

A study of twins was conducted to determine the presence of an hereditary component in short term memory and in three aspects of verbal divergent thinking--flexibility, fluency, and originality. Results showed the existence of a significant genetic component in the trait of short term memory, while none was found in verbal divergent thinking. (AG)

The author presents a discussion of certain portions of Arthur Jensen's controversial article. The general conclusion is that Jensen has not provided substantial evidence that there are differences in neural structure among children from different social or ethnic groups which are genetically determined. The reviewer reacts to Jensen's conclusion…

The results of this study indicate that the basic components which underlie a major portion of the motor domain of intellectually normal and educable retarded boys are tangibly coincident. (RC)

IQ tests and intelligence were discussed from an evolutionary perspective and implications concerning legal decisions and social policy were presented. It was concluded that disproportionate social and economic benefits need not result from the use of IQ tests in the selection of educational and occupational elites. (RD)

Relationships between six home environment measures, achievement and intelligence tests were examined by stepwise multiple regression analyses for a sample of 60 eight-year old children. Home variables were most successful in predicting achievement test scores, less successful regarding culture-dependent intelligence test scores, and least…

Recent studies are examined for methodological adequacy in establishing dimensions of individual differences in information-processing abilities, and the theoretical problems involved in inferring psychological processes from individual difference dimensions. Methodological inadequacies include use of small samples, questionable procedures in…

Investigates recall of toy preferences in the parents of 56 four-year-old children classified either as early readers or as nonreaders. Results indicated that early readers cannot be differentiated by IQ or family demographic information alone and that consistent toy preferences precede the acquisition of early reading skills. (Author/CI)

Relationships between intelligence test scores and measures derived from reaction time and perceptual speed procedures were investigated. Only three reaction time measures produced correlations greater than .25 with a general intelligence factor. Test-retest reliability of reaction time measures was low. The reaction time-intelligence relationship…

Presents a brief, quick-reference check list of methodological errors, fallacies, mistakes, and instances of out-and-out trickery that are found in recent well-known studies of IQ, IQ heritability, and race differences, focusing primarily upon the works of psychologist Jensen, Herrnstein, Eysenck, including selected works of William Shockley and…