In almost all the last elections held in Italy, from the political to the regional ones, it was found by the polls that a considerable percentage of voters is convinced of the choice of vote only a few hours after the opening of the seats or, even, when they are in the electoral cabin and have the card and pencil in their hands. This is the category of undecided voters, as they are classified in political and pre-electoral polls, which are always many, to the point of undermining the same reliability of the polls about the provision of the outcome of the vote. *Professor of Political Sociology of the University of CalabriaThe complete article is available on the paper and digital edition