Causal theory

Causal theory may refer to:
 * Causal decision theory of evaluating the expected utility of an action
 * Causal sets theory, an approach to quantum physics
 * Causal perturbation theory, a mathematically rigorous approach to renormalization theory
 * Causal theories, a phenomenon in social psychology whereby humans guess wrongly about the reasons for their actions (part of the Introspection illusion)