Purpose: Early onset of behavioral disorders is predictive of long term adverse outcomes. There are some indicated and selective early prevention programs for attention deficit/hyperactivity disorder (ADHD), one of the most common behavioral disorders in childhood and adolescence. The purpose of this paper is to present a universal preschool…

Most international adoptees (IA) have rapid catch-up of the delays common at arrival. However, it is not known whether development at arrival predicts later abilities or school readiness. Therefore, we comprehensively evaluated language, fine motor, visual reception (VR), executive function (EF), attention (ATT), and sensory skills (SS) in IA…

Three experiments assessed the ability of 2 to 5-year-old children to infer, under very simple task conditions, what another person sees when viewing something from a position other than the children's own. (ST)

Two experiments study the effects of age and sex on the ability of 3-1/2- to 6-year-old children to use nonverbal cues in identifying affiliative relationships. (SDH)

This paper describes a delayed response experiment which tested children's memory for the location of a hidden object. Eight boys and eight girls at each of two age levels (25 and 37 months) were assigned to each of four experimental conditions and given eight trials in a 9-choice task. On each trial the child saw the object hidden in one of nine…

Two experiments were conducted to examine whether gross perceptual similarity (shape similarity) and basic conceptual similarity (label similarity) are processed by very young children and influence preferences for novel stimuli. The 88 subjects were 12 to 38 months of age. (MP)

Children 3.5 to 5 years old were asked to judge which of several possible sets of parts matched a configured target form and to copy the target forms. Found a significant association between age and performance on the perception task and consistency across the two tasks. (MDM)

Results of two studies indicated that three- and four-year-old children understood that, although perception is necessary for knowledge, it is irrelevant for imagination and that three year olds often claimed that imagination reflected reality. (MDM)

Discrimination learning studied in 3-year-olds, indicated that children over 30 months of age did better than younger children, and girls learned faster than boys after the first problem. (ST)

Children ranging in age from three to six years counted 7, 10, and 14 items arranged in columns or in rows. Developmental changes in the spatial strategy and the relation of strategy to accuracy were examined. (JMB)

Observation indicated that children most frequently represent objects by performing actions appropriate to the represented objects. With increasing age, children represent objects without using functional actions and with objects bearing little physical similarity to the represented objects. (Author/DB)

Examined children's social comparisons in conversational stories of past personal experiences as they related to development of concept of self. Found that comparisons of self with others increased with age. The 2-1/2-year olds used comparisons to convey similarities between self and others, whereas the 5-year-old subjects used social comparison…