A series of stimuli designed to assess the dependence of children's cardinal number judgments on relative length and relative density cues was administered to 4- and 6-year-old children. (SB)

Three experiments examined the visual attentiveness of full-term vs. premature infants. (SB)

In this study, the effects of three variables hypothesized to influence children's resistance to temptation were assessed in an experiment that independently manipulated the variables. (Author/SB)

This study tested the hypothesis that children reared in a kibbutz setting would evidence better performance in communicative role-taking skills than children reared in a city setting. (Author/SB)

In a twin study using direct behavioral observation of parent-child interaction, as well as ratings and experimental measures, the question of parents' differential treatment of monozygotic and dizygotic twins was investigated. (Author/SB)

This study provides an independent assessment of the reliability, validity, and design of the Defining Issues Test. (Author/SB)

This study tested the effects of moderately intense square-wave tone on the nutritive sucking pattern of neonates. (Author/SB)

This study tested the hypothesis that situational factors act as determinants of achievement behavior and that these factors affect the behavior of pre and postadolescent groups differently. (Author/SB)

Examines some predictions of social learning theory for the development of peer-oriented social behaviors of infants. (Author/SB)

Two studies examined infants' understanding of spatial relations during the period following attainment of active search for hidden objects. (Author/SB)

Research reports have indicated that children's memories for pictures or events improved between early and later recall sessions in conjunction with operative growth. This study attempted to determine (1) if any intervening operative training task would increase memory improvements, and (2) if exposure to the memory stimulus per se would enhance…

The Bransford and Franks paradigm of linguistic abstraction was used to examine age differences in the nature of stored semantic information. (Author/SB)