A good deal of research purports that bilingualism has a positive effect on some aspects of cognitive functioning. However, this effect is not consistent, and little research examines trajectories of cognitive skill development in bilingual children. Moreover, it remains unclear whether different types of bilingualism impact how cognitive…

Children aged 3 to 8 years old and adults were tested on a reality–fantasy distinction task. They had to judge whether particular entities were real or fantastical, and response times were collected. We further manipulated whether the entity is a specific character or a generic fantastical entity. The results indicate that children, unlike adults,…

This longitudinal study examined the effects of nonparental care on the development of 47 children, birth through age 5. Found that children who had a nonparental care experience during infancy had a developmental quotient inferior to those who did not have such experience. Results suggest that quality of the child care setting is the determining…