Some 80 percent of controlled circulation journals provide Reader Service Cards. The responses obtained with those from a sample of ten journals is reported and the data are analyzed in terms of yield, postal and other delays. Response times approximated a normal distribution with an overall mean of 5.8 weeks. (2 references) (Author/NH)

The focus of the study was on the paired-associate performance of retarded subjects of different levels of mental age under various instructional conditions. (WY)

A study to determine whether the differential development of conceptual tempo can predict preferences. Conceptual tempo predicted preferences in color-form sorting among 67 children ranging in age from 44 to 65 months. (WY)

Comparisons of the regression profile and correlations of physical measures with latency for a 5-year-old subject (who performed 1250 trials in a form recognition task) with those for a group of 25 adults indicated that use of form information was highly consistent across age levels. (Author/WY)

Report of research to test the hypothesis that reflective students would be higher achievers in mathematics than impulsive pupils. An achievement test was developed to measure understanding of mathematical concepts and applications, ability to solve verbal problems and recall basic facts. Data suggest that reflective students obtain better…

Comparisons between a group of deaf children and normal-hearing controls on an extensive test battery revealed that the former group was clearly inferior both in general dynamic coordination and in visual-motor coordination. (MP)