THE TERM "PROJECTIVE METHODS" is used to describe a class of personality tests which differ in several important respects from the inventory, questionnaire, and rating scale methods of personality measurement. Projective tests, in addition to their differences in administrative technique and in interpretation, have their origin in concepts of personality which are in many respects at variance with those commonly utilized in the field of trait measurement. Greater stress is placed upon motivation; there is more emphasis upon the patterning of experience and attitude within the individual rather than primarily upon intergroup comparisons ; and a more radical philosophy for the science of personality study has been evolved to justify their development.Nature of Projective Tests.-Projective tests utilize various types of ambiguous stimuli, such as ink blots, pictures, incomplete stories, or construction materials such as finger paint, clay, or blocks. Subjects are simply required to respond to the materials in some manner which seems to them appropriate. For example, they may be asked to tell what the ink blot suggests, to tell a story about a picture, or to make from blocks or plastic materials some object of their own choosing. Within the framework of such flexible directions, complete freedom is allowed.The common-sense basis for this approach to the study of personality is apparent if we consider a few facts of everyday observance. No two people perceive the world around them in exactly the same way, or behave in exactly the same manner in response to the same stimulus. We differ in our tastes in people, music, food, and even weather. Or, if we like the same things, we are likely to do so for different reasons. Individuality appears also in our observations. When two people look out of the same window, one sees a passing car, the other looks at the trees. Attention is, in other words, selective, and selection varies with the attitude and experience of the attending person.Consider, also, three people on a picnic, watching the clouds at sundown. One is a youth just returned from service in the Navy. His friends are not surprised when, in the formations among the clouds, he discerns something which appears like a ship in the distance. One of the girls sees a face, and identifies it with someone she knows. A third member of the group sees an expanse of countryside with mountains in the distance. The significance of these associations, at least from the su-416