A guide to training parents as behavior modifiers is presented. Providing the parents with a summary of behavior modification principles is suggested. Having the parents select behaviors and gather base rates prior to the interview is discussed. Specific interview topics and questions are presented. The statement of a precise behavioral objective is stressed, as is the rehearsal of the change strategy. Assessment is reviewed with reference to the behavioral change, the parents, and the change agent. Common mistakes leading to the failure of the change strategy are listed. Finally, termination and generalization of parent behaviors are discussed. (Author)