Teaching argumentation in scientific education at all levels can facilitate the science learning process and contribute to develop critical thinking and improve people's decision making, among other benefits. Working on the assumption that the knowledge in argumentation is crucial for professional activities, we discuss the use of socio-scientific issues (SSI) in order to promote argumentative skills in an extension course for undergraduate Biological Sciences students. Through models of argumentation analysis, we have assessed the content and structure of the arguments developed by the students. The results have indicated that the socio-scientific issues used have supported the learning and practice of the bases of argumentation. However, there was some limitation as to the quality of the arguments. This indicates the need of further investment in teaching strategies which would apply scientific knowledge to social problems, as well as the valorization of the explicit instruction based on ethical and political argumentation in the Biology curriculum.
Socio-Scientific Issues; Argumentation; Toulmin's Argument Model; Farming and livestock.
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