In this paper, the relation between heritability and sources of group differences is analyzed in terms meaningful to the nonmathematician. (Author)

Author attempts to evaluate some issues common to this journal, such as, bridging the gap between research and theory on the one hand and classroom teaching on the other. (Author/RK)

Appropriate reading materials in the classroom which are self-directed, self-corrective, and a suitable level of difficulty can provide the student practice in those skills in which he is deficient. (MM)

Before long, the lines of demarcation between studies of cognitive development and studies of social development will have been blurred beyond distinction. Students will no longer identify themselves as studies of intellectual development or students of social development. (Author)

The Zeigarnik effect, that is, the greater recall of incompleted over completed tasks was found to be significantly more frequent in Ss of high than low resultant achievement motivation, but no difference was found between repressors and sensitizers in this effect. (Authors)

The semantic differential technique was used to discover similarities and differences in the meaning of words between teachers in training and counselors in training. A number of differences were revealed which indicate that teachers in training and counselors in training are not in accord as to the connotations of certain concepts. (Author)

While there are many varieties of learning activities geared to individual levels of ability, one of the best keys to inspire students to achieve more than they have in the past is to care about them. (Author)

Children who recognize a compensatory relationship between height-width dimensions are more susceptible to conservation training than children who do not recognize this relationship. (Authors)

Findings were that imagery instructions for picture pairs were generally more facilitative than imagery instructions for word pairs, with children at this age exhibiting little variability in their capacity to utilize a visual imagery strategy when pictures comprised the learning materials. (Authors)

Boys who took credit for their academic successes and girls who accepted blame for their failures were those most likely to have higher grades and higher achievement test scores. (Author)

Study was conducted with the purpose of analyzing individual differences in the use of organizing strategies and considering their relationship to performance involving short-term memory. (Author/CB)