While the psychology of consumer behavior would veer off into a number of different directions in the 1950s, its core remained psychoanalytic theory brought over from Europe in the 1930s. Nothing ...
Among the most influential models in contemporary behavioral science, self-determination theory (SDT) offers a broad framework for understanding the factors that promote human motivation and psychological flourishing. In this authoritative work, SDT co-founders Richard M. Ryan and Edward L. Deci systematically review the theory's conceptual underpinnings, empirical evidence base, and practical ...