Reported are two studies which describe the early development in children of the ability to consider every one of an array of instances. Taken together with other recent studies, the data reveal early development in preschool children of a fundamental, general problem solving skill. (PCB)

Two studies examined the development of children's knowledge of the situations that provoke emotion. English and Dutch (Study 1) and Nepalese (Study 2) children were presented common emotional terms and asked to describe situations likely to provoke each emotion. In both cases, the determinants suggested by the children indicated that children…

Describes two studies investigating the development of recursive thinking in 60 Dutch children five, seven, and nine years of age. The first study replicated earlier research employing a verbal production procedure. The second study used verbal comprehension procedures and concluded that development appears two years earlier than indicated by the…