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L'article suivant a récemment complété ma bibliographie de recherche dans le cadre de dispositifs socio-techniques exploitant Twitter dans un cursus pédagogique.→ Télécharger l'article en PDFThe effect of Twitter on college student engagement and gradesR. Junco,* G. Heiberger† &#38; E. Loken‡*Lock Haven University, Lock Haven, PA 17745, USA†South Dakota State University, Brookings, SD 57007, USA‡The Pennsylvania State University, University Park, PA 16802, USA&#160;Abstract : Despite the widespread use of social media by students and its increased use by instructors,very little empirical evidence is available concerning the impact of social media use on studentlearning and engagement. This paper describes our semester-long experimental study to determineif using Twitter – the microblogging and social networking platform most amenable toongoing, public dialogue – for educationally relevant purposes can impact college studentengagement and grades.Atotal of 125 students taking a first year seminar course for pre-healthprofessional majors participated in this study (70 in the experimental group and 55 in thecontrol group). With the experimental group, Twitter was used for various types of academicand co-curricular discussions. Engagement was quantified by using a 19-item scale based onthe National Survey of Student Engagement. To assess differences in engagement and grades,we used mixed effects analysis of variance (ANOVA) models, with class sections nested withintreatment groups. We also conducted content analyses of samples of Twitter exchanges. TheANOVA results showed that the experimental group had a significantly greater increase inengagement than the control group, as well as higher semester grade point averages. Analysesof Twitter communications showed that students and faculty were both highly engaged in thelearning process in ways that transcended traditional classroom activities. This study providesexperimental evidence that Twitter can be used as an educational tool to help engage studentsand to mobilize faculty into a more active and participatory role.&#160;Keywords : cooperative/collaborative learning, learning communities, media in education, post-secondaryeducation, social media, teaching/learning strategies.&#160;&#160;