摘要:Why citizens choose to oppose sitings ofnoxious facilities in their communities is examined in a 1991 survey ofOklahoma adults' risk judgments. Regression models ofboth actual and hypothetical NIMBY-motivated political participation are tested. The composite risk-judgment component proves significantly related to NIMBY participation in both actual and hypothetical siting scenarios, but not in the same way. An important finding is that the existence of hypothetical bias in greenfield communities can invalidate survey findings conducted as part ofcommunity relations planning.