Università della Svizzera italiana

A psychometric analysis of the Daily Drinking Questionnaire in a nationally representative sample of young adults from a Mediterranean drinking culture

Piumatti, G. ; Aresi, G. ; Marta, E.

In: Journal of ethnicity in substance abuse, 2021, p. 1-19

Aims: To examine psychometric properties of the Daily Drinking Questionnaire (DDQ) in a Mediterranean “wet” drinking culture. Methods: Three studies were conducted using random samples drawn from a representative sample of Italian young adults (N¼5,955; females ¼ 62%; mean age ¼ 27): Study 1 explored the factorial structure of weekly alcohol consumption; in Study 2 multi-group...

Università della Svizzera italiana

Joint desirability foundations of social choice and opinion pooling

Casanova, Arianna ; Miranda, Enrique ; Zaffalon, Marco

In: Annals of Mathematics and Artificial Intelligence, 2021, no. 89, p. 965–1011

We develop joint foundations for the fields of social choice and opinion pooling using coherent sets of desirable gambles, a general uncertainty model that allows to encompass both complete and incomplete preferences. This leads on the one hand to a new perspective of traditional results of social choice (in particular Arrow’s theorem as well as sufficient conditions for the existence of an...