Three experiments examined whether 4- and 5-year-olds can explicitly revise uncertain beliefs in light of disconfirming evidence. We considered 2 factors that might influence belief revision: (a) the type and variability of evidence provided, and (b) whether children generated an explanation of their initial hypothesis. When provided with limited…

We examined written expression performance in a sample of adolescents with ADHD and subthreshold ADHD using two different strategies: examining performance on standardized measures of written expression and using other indicators of written expression developed in this study. We examined associations between standardized measures of written…

This research proposes a new theory of direct causation and examines how this concept plays a key role in the linguistic coding and individuation of causal events. According to the "no-intervening-cause hypothesis," a causal chain can be described by a single-clause sentence and construed as a single event if there are no intervening causers…