Using 20 levels of intensity, we measured children's thresholds to discriminate the six basic emotional expressions from neutral and their misidentification rates. Combined with the results of a previous study using the same method ("Journal of Experimental Child Psychology, 102" (2009) 503-521), the results indicate that by 5 years of age,…

As effortful control (EC), the self-regulation aspect of temperament, has been argued to play a key role in the normal and psychopathological course of development, research adding to the construct validity of EC is needed. In the current study, interrelations between the temperament construct of EC and the efficiency of the executive attention…

According to Piaget, a child's intellectual development undergoes a progressive socialization process, by assimilation and accommodation, to reach equilibrium with the adult environment. It is proposed that a disturbance in the process of adaptation to reality may lead to a neurotic response. For related articles, see TM 501 288 and 289. (RC)

The types of egocentric cognition described by Jean Piaget are discussed in relation to schizophrenic thinking. For related articles, see TM 501 288 and 290. (RC)

Topics briefly discussed include awareness or consciousness, recollection, reconstitution, and conceptualization; the nature of causal exploration and contradiction; and conservation. Examples are provided in relation to children's perception. For related articles, see TM 501 289 and 290. (RC)

A group of children were presented with several tasks, including the invention of a sleep machine and a machine to weigh elephants. The tasks were chosen to involve the children in coping with problems of a distinct character. A study of the children's drawings and interpretations shows that children's thinking ability is not very different from…

The various chapters in the text provide details of factual situations and teaching practices in the school environment. The authors convey their conviction that the field of experimental pedagogy must remain autonomous while utilizing the findings of psychology and that all hypotheses derived from psychology must be verified through actual…

Rorschach protocols of both black and white children from 7 to 14 years of age, who had been evaluated at a child guidance clinic, were rescored with respect to developmental level of perceptual integration. It was found that black children had higher perceptual-integration scores in comparison to their white counterparts. (Author)

This study attempted to explain the findings of classical studies about young children's classification ability, namely that young children: (1) categorize on the basis of perceptual or concrete properties, (2) classify in a linear, nonhierarchical manner, and (3) use inconsistent criteria for classification. The study further proposed that…

The authors studied the evolution of interindividual intentionality in children and showed that the sharing of knowledge and beliefs requires more complex operations than those involved in usual false-belief tasks. The authors conducted 3 experiments on 380 children (aged 5 years, 0 months to 9 years, 6 months). They assessed the children's…

Contains 15 articles investigating and discussing issues generated by Piaget's theory of cognitive development. Discusses and examines questions related to object permanence, transitivity, conservation and the concept of necessity as these relate to children. Deals with the origins and causes of development, logical development, social and…

While many contemporary developmental theorists have avoided taking a stand on the controversial relationship between learning and development, this paper is based on the belief that the notion of "bandwidth of competence," or L. S. Vygotsky's "zone of proximal development," provides a useful framework for considering this…

Investigated children's understanding of meaning of the cognitive verb "know" (as defined by an abstractness and conceptual difficulty hierarchy). Found that knowledge increased with development, and low levels of meaning were mastered before high levels, and more rapidly. Understanding in audio-taped stories was more difficult than in video-taped…

Background: The relationship between the age of reaching infant developmental milestones and later intellectual function within the normal population remains unresolved. We hypothesised that the age of learning to stand in infancy would be associated with adult executive function and that the association would be apparent throughout the range of…