Using data from a survey of 330 parents of developmentally disabled children, the paper examines parents' participation in and attitudes toward special interest groups and political activities. Findings indicate that parents are willing to participate in special interest groups and political activities to a much greater extent than they have…

Three hundred twenty-nine parents of developmentally disabled children (0 to 21 years old) were surveyed to test the hypothesis that parents who join parent groups are more likely to be white, highly educated, currently married, Republican, and to have higher family incomes than those who do not join parent groups. The survey questionnaire was…