Is it possible to increase one's influence simply by behaving more confidently? Prior research presents two competing hypotheses: (1) the confidence heuristic holds that more confidence increases credibility, and (2) the calibration hypothesis asserts that overconfidence will backfire when...

Different models of judicial decision making highlight particular goals. Traditional legal theory posits that in making decisions judges strive to reach the correct legal decision as dictated by precedent. Attitudinal and strategic models focuses on the ways in which judges further their...

Prohibition makes some drug use and drug selling a crime by statute, but licit drugs like alcohol are also associated with criminality in myriad ways. Within a prohibition regime, it is difficult but important to distinguish a drug's "intrinsic" psychopharmacological harms from the harms created...

In a variety of important domains, there is considerable correlational evidence suggestive of what are variously referred to as social norm effects, contagion effects, information cascades, or peer effects. It is difficult to statistically identify whether such effects are causal, and there are...

Legal rules are often understood as setting the appropriate balance between competing claims. One might expect policymakers to identify these competing claims and employ a systematic and comprehensive analysis to assign them relative values, and to generate legal rules that follow from those...

I review alternative normative and descriptive theories of legal standards of proof, as well as empirical evidence on how ordinary citizens interpret and apply these standards. Among the approaches I survey are decision theoretic accounts, the story model, constraint satisfaction models, the...

In a variety of important domains, there is considerable correlational evidence suggestive of what are variously referred to as social norm effects, contagion effects, information cascades, or peer effects. It is difficult to statistically identify whether such effects are causal, and there are...