Opinion polls and social science research. Summaries of presentations during the day of study in memory of Jean Stoetzel, organised by the Society of friends of the Centre of sociological studies on 29 February 1988. This day of study consisted of six presentations: Hélène Riffault, "Public perception of opinion polls", which presents and analyses a detailed survey on the public perception of opinion polls; Jacques René Rabier, 'The comparative and diachronic analysis of survey data", which presents the results of European Communities Commission surveys concerning well-belng, confidence between people, and national cultures; Jean Paul Grémy, 'The problems of secondary analysis"; Guy Michelat, "Opinion polls in the study of political behaviour"; Yannick Lemel, "Opinion polls in the study of socio-economic behaviour"; François Chazel, "Opinion polls in the study of cultural practices".