A path model of genetic and shared family environmental transmission was fitted to general cognitive ability data from 1-, 2-, 3-, and 4-year-old adopted and nonadopted children and their parents to assess the etiology of longitudinal stability from infancy to early childhood. (HOD)

Experiment 1 examined the position that mirror-image confusions reflect an inability among three- to five-year-olds to determine whether their performance level differences reflect differences among nonreaders already attending and those not yet attending to reading cues. Experiment 2 examined the Experiment 1 four- and five-year-olds, identified…

Discusses the potential role of temperament dimensions for the development of mother-infant attachment relations as measured by the Strange Situation Assessment. (HOD)

Compared 32 childfree with 20 child-anticipated couples. No differences were found between the groups on marital adjustment, marital type, or sex role identification, although a trend was found suggesting that childfree women tended to view themselves as less sex-typed than child-anticipated women. (Author/NRB)

Study of children aged 21 to 31 months tentatively concludes: (1)behavioral tendency to be inhibited or uninhibited with unfamiliar people or during unfamiliar events is moderately stable across time and context; and (2)moderately negative relationship exists between behavioral inhibition and heart rate variability, and positive relationship…

Three studies investigated: the effect of parent involvement on the exploratory behaviors of children rated as high-, moderate-, or low-explorers; whether maternal presence increased the exploration of low-exploratory children, decreased the exploration of high-exploratory children, or both; and whether maternal presence or mother/child…

This study synthesizes published and unpublished research on the effects of adaptive education on student outcomes. The study found adaptive education affects student outcomes positively and suggests that tailoring instruction to individual students is more effective than traditional educational methods. (MD)

Aimed to establish extent to which toddlers' social behaviors in recurrent play groups may become characterized by an increased consistency and predictability during second year of life, particularly first versus third trimester. Concurrent observations in contrasting settings provided data for examining differences in extent of cross-situational…

Explored origins of individual differences in infant shyness by studying its relationship to parental shyness, sociability, and introversion-extraversion. Full adoption design examined role of both genetic and family environmental influences as possible etiological factors in development of infant shyness. Results indicate genetic influences and…

Combinatorial abilities in language and elicited symbolic play were compared in a longitudinal study of 30 children at 20 and 28 months. In addition, multivariate analyses were used to assess the stability of individual differences. Generally, different symbolic play variables contributed unique explained variance to different language variables.…

Twenty-five infants were tested every two weeks on the AB Object Permanence Task, from the time they first reached for a hidden object until they were 12 months old. Results indicate that the AB provides an index of the ability to carry out an intention based on stored information despite a conflicting habitual tendency. (Author/RH)

Marked individual differences found among 2- to 3-year-olds in comments about their infant siblings were correlated with differences in comments 3 to 4 years later. Differences in behavior toward sibs at the earlier date were correlated with differences in mothers' accounts of sibling's relationships at 6 years of age. (Author/RH)

Assessed temperament of newborn twins using comprehensive neonatal exam that focused on irritability, resistance to soothing activity, and reinforcement value. Some infants were later assessed at 9 months. Emotional activity appeared to be core dimension stretching over ages and is discussed in relation to formulations of infant temperament.…

Secondary students read and discuss Richard Sever's book "Lisa H." (Harper and Row, 1985), the story of how a young girl suffering from a genetic disorder that severely disfigured her face and head draws on inner resources to meet the challenge of life. Discussion questions and student activities are suggested. (RM)

This review is an attempt to assess both mastery learning proponents' and mastery learning critics' claims in the context of learning time differences. The discussion is situated within the historic debates about stable versus alterable differences and the author's contention of an equilibrium reached by current leveling practices. (Author)