Questions on voluntary association memberships have been used extensively in social scientific research for decades. Researchers generally assume that these respondent self-reports are accurate, but their measurement has never been assessed. Respondent characteristics are known to influence the accuracy of other self-report variables such as…

Examines demographic networks of age and educational attainment for pairs of persons involved in close interpersonal relationships. Suggests that high network density in a social network can predict organizational niches--opportunities for organizational recruitment and resources for organizational survival. Contains 35 references. (SV)