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Adams, Britt; Schellens, Tammy; Valcke, Martin – Comunicar: Media Education Research Journal, 2017
Minors are daily confronted with advertisements, which are occasionally controversial. In order to promote adolescents' moral advertising literacy, this intervention study explores how to stimulate secondary education students' knowledge on advertising law and their moral judgement of advertisements. Because a lot of new--especially…
Descriptors: Adolescents, Advertising, Media Literacy, Internet
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Vanderhoven, Ellen; Schellens, Tammy; Valcke, Martin – Journal of Media Literacy Education, 2013
The growing popularity of social network sites (SNS) is causing concerns about privacy and security, especially with teenagers, since they show various forms of unsafe behavior on SNS. It has been put forth by researchers, teachers, parents, and teenagers that school is ideally placed to educate teens about risks on SNS and to teach youngsters how…
Descriptors: Safety, Risk, Adolescents, Students
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De Wever, Bram; Van Keer, Hilde; Schellens, Tammy; Valcke, Martin – Internet and Higher Education, 2011
This study focuses on the reliability of intra-group peer assessment (PA) of the collaboration processes in a wiki. First-year university students (N = 659) were subdivided in groups of 8 to create wikis. They were to assess their group members on four criteria (contribution, discussion, sources, and social). The main research question focused on…
Descriptors: Peer Evaluation, Cooperation, Reliability, Effect Size
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Valcke, Martin; De Wever, Bram; Zhu, Chang; Deed, Craig – Internet and Higher Education, 2009
Research in the field of computer supported collaborative learning stresses the need to foster the collaborative process in view of attaining optimal cognitive involvement of all participants, a higher level of metacognitive regulation and an increased level of affective involvement. The present study involved 80 third-year university students,…
Descriptors: Discussion Groups, Program Effectiveness, Classification, Instructional Effectiveness
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Zhu, Chang; Valcke, Martin; Schellens, Tammy – Multicultural Education & Technology Journal, 2009
Purpose: The purpose of this paper is to examine whether there is a cultural gap in student perceptions of online collaborative learning and to investigate to what extent student perceptions, motivation, and learning strategies change over time due to the actual involvement in a collaborative e-learning environment (ELE).…
Descriptors: Constructivism (Learning), Learning Strategies, Student Motivation, Cooperative Learning
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Schellens, Tammy; Van Keer, Hilde; De Wever, Bram; Valcke, Martin – International Journal of Computer-Supported Collaborative Learning, 2007
This article describes the impact of learning in asynchronous discussion groups on students' levels of knowledge construction. A design-based approach enabled the comparison of two successive cohorts of students (N = 223 and N = 286) participating in discussion groups for one semester. Multilevel analyses were applied to uncover the influence of…
Descriptors: Computer Mediated Communication, Discussion Groups, Knowledge Level, Comparative Analysis