This paper examines the impact of a commonly experienced adverse cognitive state on decision making under uncertainty. Specifically, we administer an at-home sleep restriction protocol combined with random assignment to the time-of-day for decision making. Thus, we induce sleepiness in our...

Little is known about how gamblers estimate probabilities from multiple information sources. This paper reports on a preregistered study that administered an incentivized Bayesian choice task to n=465 participants (self-reported gamblers and non-gamblers). Our data failed to support our main...

Recent examinations into the cognitive underpinnings of ethical decision making has focused on understanding whether honesty is more likely to result from deliberative or unconscious decision processes. We randomly assigned participants to a multi-night sleep manipulation, after which they...

The confirmation bias is a well-known form of motivated reasoning that serves to protect an individual from cognitive discomfort. Hearing rival viewpoints or belief-opposing information creates cognitive dissonance, and so avoiding exposure to, or discounting the validity of, dissonant...

Dark personality traits have been linked to behaviors commonly understood as unethical, such as fraud, bribe-taking, and marital infidelity. Presumably, more "light" personality traits may be associated with lesser tendencies to be unethical, but many individuals also possess both light and dark...