The main aim of this article is to analyze the public opinion about electoral polls in a discursive way. According to this, the objective was understanding why people mistrust electoral polls, what key aspects can generate aversion, why people want to be, or not, a survey respondent, if people monitor this type of surveys, if electoral polls can influence the vote, what role mass media play in
... [Show full abstract] this process. Then, the final analysis evinces how some social and demographic variables, like level of studies or the age, can determine the Spanish people´s interest, utility, knowledge or social perception about this researching technique.