The hypothesis of less direct interaction between hemispheres in young children was supported by a behavioral test. Fabric samples were compared with either the same hand (same hemisphere) or with opposite hands (between spheres). (Author/HM)

TWO SERIES OF STUDIES WHOSE SUBJECTS WERE EITHER HOODED AND ALBINO RATS OR YOUNG CHILDREN INVESTIGATED THE INFLUENCE OF EARLY EXPERIENCES ON LATER BEHAVIOR. IN THE FIRST, BOTH SUBSPECIES OF RATS WERE EXPOSED TO EITHER ENRICHED OR RESTRICTED ENVIRONMENTS TO ASSESS THEIR PROBLEM-SOLVING ABILITIES UNDER VARIOUS LEARNING CONDITIONS. THE RESULTS…

To investigate the attributional processes mediating between outcome and expectancies and persistence, children's expectancies, attributions and response latency were measured. Children, equally divided into three age groups (three-five, six-eight, nine-twelve) were shown figures to match and were provided with experimentally controlled feedback…

Examines the capability and motivation of 18- and 24-month-old infants to share, help, comfort, and cooperate with their older siblings; the frequency of such prosocial behavior by both siblings; and the children's response to sibling distress. The relationship between prosocial and conflict behavior was also studied. (HOD)

Examines the relationship between violence exposure and experimentation with cigarettes and alcohol, intentions to use cigarettes and alcohol, health locus of control, and health values. Responses from 110 inner-city children and adolescents ages 10 to 13 years show cigarette use positively associated with violence. Control scales were negatively…

This case study describes a selective mute Mexican American boy, who, at initial referral, had never spoken to peers or teachers at school. Treatment procedures employed shaping and reinforcement of speech in therapy sessions. Sessions involved the psychologist alone, the classroom teacher and psychologist, the boy's best friend and the…