The term "social science" promises more than its practitioners can deliver: it promises knowledge. This knowledge is to consist of statements of empirical regularities of such quality as will enhance predictive power and inform public and private policy. Boundaries of Competence illuminates obstacles to this aspiration.

Chapter 1 grounds knowledge in perception. Chapter 2 challenges the assumption that ordinary language necessarily describes reality and reveals the mischief words can do. Chapter 3 proposes a continuum of perceiving-conceiving involved in different ways of...