Causal reasoning represents one of the most basic and important cognitive processes that underpin all higher-order activities, such as conceptual understanding and problem solving. Hume called causality the "cement of the universe" [Hume (1739/2000). Causal reasoning is required for making predictions, drawing implications and…

Cluster randomized trials (CRTs) have been widely used in field experiments treating a cluster of individuals as the unit of randomization. This study focused particularly on situations where CRTs are accompanied by a common complication, namely, treatment noncompliance or, more generally, intervention nonadherence. In CRTs, compliance may be…

The present study investigated whether infants of mothers who were depressed postpartum would behave like infants of non-depressed mothers who simulated depression. A total of 24 mothers and their 3-month-old infants were videotaped during face-to-face interactions. All mothers were given the Beck Depression Inventory (BDI) and the State-Trait…

Recounts an experiment where two groups of college students composed questions for a simulated quiz show and then answered each other's questions. They then answered questions comparing their performance with other groups. Proposes a social norm rather than attribution error explanation for the fact that groups consistently will underestimate…