This study field tests and evaluates the Parenting Questionnaire, an instrument designed to assess parental attitudes and behavior, based on the child-raising theories of Dreikurs and Dinkmeyer and the Adlerian model for parent study groups. Dreikurs and Adler stress the purposive nature of children's behavior or misbehavior, and teach parents to develop responsibility in their children by using natural and logical consequences rather than parent intervention or punishment. The STEP (Systematic Training for Effective Parenting) Program, which uses reading, group discussion, homework exercises, and role playing, is followed. Three field tests of the experimental form of the Parenting Questionnaire were administered to (1) Sample I--a group of 24 upper-level undergraduate students at a large midwestern university; (2) Sample II--11 mothers enrolled in a parent group based on Dinkmeyer's STEP program; and (3) Sample III--84 parents of third graders in 16 elementary schools in a moderate-sized, middle-class community. The field tests suggested that: (1) the inventory did not measure socially desirable attitudes toward child raising, supporting its validity; (2) the instrument differentiated between parents-in-general and mothers participating in an Adlerian parent group; and (3) the inventory did not yield significantly different mean scores for mothers and fathers. Reliability of the attitude and behavior scales were .76 and .73, respectively. It was concluded that the Parenting Questionnaire would be valuable for elementary school counselors in evaluating the effectiveness of Adlerian parent education groups. (JGL)