Studies of the development of racial awareness have used--albeit asystematically--stimuli of varying degrees of realism (dolls, drawings, photographs). Although researchers have weighed the advantages and disadvantages of using one or the other type of material with young children, there are no empirical studies that determine whether the nature…

This study examined the effect of emotional stimuli on 3- to 4-year old children's flexible rule use, as measured by the Dimensional Change Card Sort (DCCS). In Experiment 1, children in two countries (Canada and China) were given 2 versions of the DCCS. The Standard version required children to sort red and blue boats and rabbits first by shape…

Age-related changes in mental flexibility, in the form of task switching, were assessed in 292 children (58-156 months old). Task switching was examined with a new task for young children, the Switch Task for Children (STC). The STC consists of two easy, comparable games and does not require reading skills, which makes it suitable for children…

Children (ages 5, 7, and 9 years) and young adults completed two visual attention tasks that required them to make a forced choice identification response to a target shape presented in the center of a computer screen. In the first task (high correlation condition) each target was flanked with the same distracters on 80% of the trials (valid…

Study reports data on the acquisition of knowledge about astronomy in children from India, and the cosmological models they construct. Found that Indian children's cosmologies honor a variety of implicit assumptions governing the construction of initial cosmological models and that folk models are also incorporated to provide a psychologically…