Two techniques were used to modify an impulsive conceptual tempo on a visual discrimination task. The subjects were 42 first grade white children who had previously been classified as impulsive or near-impulsive on the Matching Familiar Figures Test given to 82 children. These subjects, who had scored above the median on errors and below the…

Five studies investigated the development of imitation in children 1-3 years old. Results indicated that children as young as 12 months possess the cognitive capability of translating a perception of an action into their own behavior, but imitation varies as actions requiring direct social commerce with the examiner are imitated less frequently…

Reports a series of studies conducted to investigate possible differences in the exploratory manipulation and play behavior of human infants 7-1/2- 11-1/2 months of age as a function of the attributes of the stimulus, the familiarity of the subject with the stimuli, the age and sex of the infants, and individual differences. (Author/CS)

This volume is intended for use in college courses that combine educational psychology with child and adolescent psychology or human development. Section I, an introductory chapter presents selective groups of readings in the field of child developmental theory. Sections II through X each deal with one of the explanations of behavior that have…

As part of an ongoing study of sex differences in spatial ability, three preliminary hypotheses on parental socialization, sex role socialization, and biological explanations were tested, using 139 high school seniors as subjects. The early findings indicated that there was no support for the hypothesis that boys and girls differ in how they view…