As the first introductory statement of the 'new psychology', Motives and Mechanisms, originally published in 1985, aims to bring the study of human action to the forefront of the subject. Like any science, the practice of psychology is very much influenced by the hidden assumptions of its practitioners. The argument put forward in this important text shows how these assumptions can be brought out by comparing psychology with the natural sciences and with common-sense understanding.

In pursuing the integration of traditional research methods with a new style of investigation,...