This study examined some of the methodological approaches used by students to construct causal maps in order to determine which approaches help students understand the underlying causes and causal mechanisms in a complex system. This study tested the relationship between causal understanding (ratio of root causes correctly/incorrectly identified,…

This article reviews recent evaluation studies of online learning communities to provide a systematic understanding of how such communities are evaluated. Forty-two representative studies were selected and categorized into a newly developed taxonomy of online learning community evaluations. This taxonomy is divided into four components: evaluation…

The purpose of this study was to develop and validate a content analysis model for assessing students' cognitive learning in asynchronous online discussions. It adopted a fully mixed methods design, in which qualitative and quantitative methods were employed sequentially for data analysis and interpretation. Specifically, the design was a…

Meaningful learning requires deep engagement with ideas. Deep engagement is supported by the critical thinking skill of argumentation. Learning to argue represents an important way of thinking that facilitates conceptual change and is essential for problem solving. In order to appropriately apply argumentation practices to learning, we first…

Reports on a study of the characteristics of interactions in the computer conferences on "TeleNex", a computer network for the professional development of English as Second Language (ESL) teachers in Hong Kong. A framework of message analysis is described and results of a user questionnaire are discussed. (Author/LRW)