Recent research has argued that several well-known judgment biases may be due to biases in the available information sample rather than to biased information processing. Most of these sample-based explanations assume that decision makers are "naive": They are not aware of the biases in the available information sample and do not correct for them.…

The Special Section on developmental research on social information processing (SIP) and antisocial behavior is here introduced. Following a brief history of SIP theory, comments on several themes--measurement and assessment, attributional and interpretational style, response evaluation and decision, and the relation between emotion and SIP--that…

Intuition usually is defined as the capability to act or decide appropriately without deliberately and consciously balancing alternatives, without following a certain rule or routine, and possibly without awareness (Gigerenzer, 2007; Hogarth, 2001; Klein, 2003; Myers, 2002). It allows action which is quick (e.g. reaction to a challenging…

This report presents the results of research that examined widely diverse decision problems and attempted to specify their common behavior elements. To take into account the psychological complexity of most real-life decision problems, and to develop a tentative organization of decision behavior that will embrace the many, highly diverse types of…