Knowledge of and attitude towards homosexuality / aggressive versus disinterested attitude / family traditionalism / religious involvement / authority / typical male, female characteristics / typical homosexual characteristics / opinions on recognition and occurrence of homosexuality / tolerance towards homosexual relationships / can homosexuality be changed ( how ) / homosexuality and religion / parents and attitude towards homosexuality / personal experience. Background variables: basic characteristics/ residence/ household characteristics/ occupation/employment/ education/ social class/ politics/ religion/ readership, mass media, and 'cultural' exposure