Rationality requires things of us, or—to put it differ-ently—it prescribes things to us. For instance, it pre-scribes that we intend means to ends that we intend and that we do not have contradictory beliefs. …

Degrees of rationality can be assessed in terms of the number and severity of such cognitive biases that individuals display. Conversely, failure to display a cognitive bias becomes a measure of rational …

Understanding the development of rationality is fur-ther complicated by the difficulty of clearly defining what rationality is in adults and even more in children.

Rationality designates a capacity or set of capacities: an agent is rational to the degree that he or she possesses and manifests the relevant range of capacities.

When we talk – the most characteristic instance of rationality – the words just tumble out; we may have an idea of what point we want to make, but we do not plan the words or phrases.

Rationality is one of the most central concepts in cognitive science, yet also one of the least well defined. In some contexts, it is used interchangeably with terms like intelligence or even …

Philosophically, rationality’s conceptual journey from ancient Greek mathematics to modern debates reveals deep questions about its nature and application in human decision-making.