The relationships between locus of control and other personality variables were studied, using the Nowicki-Strickland Scale. The broad hypotheses were that internal locus of control would be related to a number of other competence-type behaviors and adaptive social functioning. Results of various studies are presented, and it is concluded that the Nowicki-Strickland Locus of Control Scale appears to offer an objective, relatively precise, quick method for assessing a generalized belief in locus of control and that the locus of control dimension is a significant correlate of a number of competence related behaviors in children. (DB)