This paper is about the use of a widespread teaching tool: the slide presentation used in face-to-face, system-paced university lessons. It is produced by lecturers to support students’ comprehension during listening; nevertheless it poses elaboration requests to the audience which should be taken into consideration at the planning stage and in formulating its verbal content. The paper reports the results of a survey conducted with 163 University students who were asked to listen to a lecture accompanied by a PowerPoint presentation, prepared according to the most frequent formats. The written presentation had 3 degrees of concision/redundancy: it had a fully redundant with the oral message, partially redundant (main points in key words), or had a different linguistic form (paraphrase of the message). Furthermore, information in written text and spoken message could have had the same order or they could be scrambled. The results showed that, subjectively, students judged comprehensible every kind of presentation. However, learning tests demonstrated that paraphrasing negatively affected learning, while changes in the order of presentation did not, at least in the synthetic main point – key word presentations. The study suggested that the concise, only partially redundant, presentation is the one which leads to better results, both in the ordered and in the scrambled version.
L'articolo si pone l'obiettivo di suggerire come l'ambito della formazione insegnanti possa essere oggi considerato uno dei campi nei quali è possibile ricontestualizzare alcuni aspetti delle teorie antropologiche sul dono. L'articolo inizia con una breve descrizione dell'idea antropologica secondo cui il dono può essere considerato un processo che promuove relazioni con gli altri. L'articolo si focalizza quindi sul ruolo che questa concezione del dono può svolgere nell'ambito degli ambienti educativi odierni con particolare riferimento alle comunità di pratica e alla loro rilevanza nell'ambito della formazione insegnanti. In questa prospettiva verranno infine portati alcuni esempi sulla base di un'esperienza attualmente in corso di peer teaching nell'ambito della formazione iniziale di insegnanti della scuola dell'infanzia e primaria.The paper aims to suggest how teacher education can today be seen as a field in which some aspects of anthropological theories of the gift can be re-contextualized. First, the paper will shortly describe the anthropological idea that the gift can be seen as a way to promote relationships with others. The paper will then outline the role that this idea of the gift can play in current educational environments, with special reference to the relevance of communities of practices within the field of teacher education. In this perspective, the paper will finally present some examples, 1 L'intero lavoro è frutto di un'elaborazione collettiva dei due autori e, tuttavia, Francesca Zanon è autrice dei paragrafi 2 e 3, Davide Zoletto è autore del paragrafo 1.
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