Over the past two decades, the number of studies of creativity has in creased enormously. Although these studies represent a wide variety of perspectives, the largest proportion of them falls within the province of the social and behavioral sciences. Perhaps this is due to the impetus of experimental psychologists, who recognized the special problems that arise when originality is treated under a general theory of cognition. But what ever the reason, human creativity has come to be viewed as one of the major concerns of the twentieth century. It has been referred to as the most pressing...