Examines reasons that prompted the current shift from information to knowledge processing, encompassing both social contextualization and the recent technological advance. Discusses knowledge production, viewed as a five-step process. The highly interdisciplinary perspective and the primacy of the user are distinguished as necessary prerequisites…

A new approach to information science, activity theory emphasizes the centrality of practice as doing and activity and foregrounds setting and context as essential orienting concepts. It can provide information science with a rich, unifying, and heuristically valuable vocabulary and conceptual framework that will facilitate the continual…

New forms of mathematical knowledge are growing in importance for mathematics and education, including tacit knowledge, knowledge of particulars, language, and rhetoric in mathematics. Highlights the importance of attending to rhetoric and the range of rhetorical styles in school mathematics, and the need for explicit instruction in this area.…

Considers the cognitive mechanisms available to individuals which enable them to operate successfully in different parts of the mathematics curriculum, such as children's arithmetic shows divergence in performance. Explains how students cope with the transition to advanced mathematical thinking in different ways, leading once more to a diverging…

To detail the structure and format of memory for texts, researchers have examined whether readers monitor separate text dimensions for space, time, and characters. The authors proposed that the interactivity between these individual dimensions may be as critical to the construction of complex mental models as the discrete dimensions themselves. In…

This paper presents the Featural and Unitary Semantic Space (FUSS) hypothesis of the meanings of object and action words. The hypothesis, implemented in a statistical model, is based on the following assumptions: First, it is assumed that the meanings of words are grounded in conceptual featural representations, some of which are organized…

Despite a growing development of virtual laboratories which use the advantages of multimedia and Internet for distance education, learning by means of such tutorial tools would be more effective if they were specifically tailored to each student needs. The virtual teaching process would be well adapted if an artificial tutor can identify the…

While different approaches to evaluation will yield different results, depending on the purpose of the evaluation this article describes an evaluation approach that was aimed at investigation of the mental models of users of the programme. The study was driven by questions about the differences in mental models of the instructional designers and…

The knowledge construction and scientific reasoning of two classes of seventh grade students (22 to 24 students in each class) were examined during a 3-week inquiry unit in genetics, in which anomalies were used as a catalyst for conceptual change. During the unit, students used genetics simulation software to mate fruit flies that varied on a…

This paper gives an overview of the Inspiration Software, a package that is designed to facilitate the construction and use of concept maps in the classroom. The first section discusses concept mapping, defined as any graphic production that is constructed specifically to represent knowledge. The following basic functions of Inspiration are then…

Shares perspectives on the history and current status of ethnomathematics. Speculates as to whether this field is revisionist and discusses the features of ethnomathematics that distinguish it from mathematics. (DDR)

Explores children's understandings of insect life cycles through pre- and postinstructional interviews, analysis of children's journal entries, and talk that occurred throughout the instructional unit. Contains 38 references. (DDR)

Provides further details regarding a philosophical reconstruction of the structure of Classical Genetics Theory that can facilitate problem-solving instruction. Describes how that reconstruction can facilitate realistic problem solving on the part of students. Contains 60 references. (DDR)

Explores the current images that students have of scientists, student perceptions of science study in school, and student awareness of their use of science outside of school. Fifth grade students (N=117) were the subjects of this study that asked students to sketch scientists and school science. (DDR)

Points out that today's taxonomy is very different than what many biology teachers learned when they were in school. Traces the history of some of the changes and describes the current taxonomy. (DDR)