Group membership is a strong driver of everyday life in humans, influencing similarity judgments, trust choices, and learning processes. However, its ontogenetic development remains to be understood. This study investigated how group membership, age, sex, and identification with a team influenced 39- to 60-month-old children (N = 94) in a series…

This study investigated the ability of preterm infants to learn an object shape with one hand and discriminate a new shape in the opposite hand (without visual control). Twenty-four preterm infants between 33 and 34 + 6 gestational weeks received a tactile habituation task with either their right or left hand followed by a tactile discrimination…

Study is an investigation of the effects of an attention-focusing variable--spatial separation of central and incidental cues--and a cognitive strategy factor--verbal labeling of central cues--and their interaction on the incidental learning of Ss younger than those previously tested with these manipulations. (Authors)

Describes five studies in which the learning and transfer abilities of two- and four-year-old children were examined on a task that required them to combine two separately learned solutions to reach a goal. (HOD)

Describes three studies that examined how young children distinguish between the real, physical world and the mental world; between objects and thoughts; and between doing something and imagining it. (HOD)