Nathaniel Wilcox et al., « The Contamination of Responses to Survey Items: Economic Perceptions and Political Judgments », Inter-university Consortium for Political and Social Research, ID : 10.3886/ICPSR01103.v1
This study investigates questionnaire item and proximity effects on responses to economic and political items in surveys. This experimental design varies survey item order across subjects. Results indicate proximity of survey items does affect responses.