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This action research has been conducted by the Department of Communication and Social Research of the «Sapienza» University of Rome in collaboration with the Institute for Environmental Protection and Research (ISPRA). The aim of the study was to evaluate the efficiency of an information campaign on radioactivity and its risks, implemented by ISPRA, and directed towards students between 14 and 19 years of age in four cities of the Lazio region. The research was conducted using a quasi experimental design with pretest, post-test and non equivalent control group and did not follow a behaviorist concept of experiment, which would have proceeded on the basis of a simple stimulus-response pattern. Instead, the experimental variable, considered as the main stimulus, was taken into account together with contextual and dispositional characteristics, which can in theory intervene in the cause-effect relation but cannot be "manipulated" by the researcher.

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This paper presents three applied analysis. Our principal interest is to understand how meso (university level) and macro (national level) contexts interact with micro phenomena such as students’ careers. To achieve this aim, the paper shows a secondary analysis of longitudinal administrative data by means of Sequence Analysis and Event History Models. Furthermore, it shows the results of an additional analysis using a quasi-experimental research on longitudinal data. The paper examines typical pathways of Italian students, by means of administrative information’s on student enrollment from Sapienza University of Rome. The aim of this paper is triple: 1. describe students’ careers in higher education by building a typology of pathways using Sequence Analysis. 2. Identify how socio-economic and macro level characteristics affect students’ careers by multinomial logistic regression model where clusters are used as dependent variables and focus on the study of the “event” by using Event History analysis. 3. Evaluate the Italian Higher Education reform policies and their main outcomes throughout a quasi-experimental research. Mainly, the outcomes show the importance of the warming-up period, the individual choice and the exogenous events after enrolment in determining the success/failure of each career. Our outcomes suggest that Italian universities should rethink the mechanisms available to manage failure and guide student choices.

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