339 children aged 6 and 7 at Oxford primary schools took part in a study of arithmetic. 204 of the children had been selected by their teachers as having mathematical difficulties and the other 135 children were unselected. They were assigned to an Addition Performance Level on the basis of a calculation pretest, and then given Dowker's (1998)…

Investigations that focus on children's hand gestures often conclude that gesture production arises as a result of having multiple representations. To date, the predictive validity of this notion has not been tested. In this study, we compared the gestures of 82 five-year-old children holding either a single or a dual representation. The children…

An experiment investigated how methods of questioning affect children's responses regarding the shape of the earth and the day/night cycle. Seventy-two children from Grade 1 and Grade 3 in a middle-class elementary school in Athens, Greece, were tested either by an open method of questioning or by a forced-choice method of questioning. The two…

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…