The purpose of mental examinations of children from the clinical standpoint is the determination of factors which may result in difficulties on the part of the child in adjusting himself to the environment and to find means of making possible this adjustment. In this paper I shall consider the psychologic principles involved and some of the problems encountered in the psychologic examination. It should be emphasized that the psychologic examination is an essential part, but only a part, of the complete examination. Full agreement as to what the psychologic examination includes has not been reached. By some it is erroneously considered the mechanical application of mental tests and obtaining results in terms of scores. Most writers agree, however, that much more than this is included, and that is my attitude. That the psychologist is able to contribute much information about the patient which cannot be determined by the usual psychiatric