The aim of this research is to introduce a method of constructing knowledge structures which represent the relationships among the knowledge items in a pedagogically useful way. A prototype, "MyTeLeMap," was implemented to support both learners and instructors. Learners could visualize the knowledge structures of different knowledge…

It is critical that students learn how to retrieve useful information in hypermedia environments, a task that is often especially difficult when it comes to image retrieval, as little text feedback is given that allows them to reformulate keywords they need to use. This situation may make students feel disorientated while attempting image…

Use of hypertext is pervasive in education today--it is used for all online course delivery as well as many stand-alone delivery methods such as educational computer software and compact discs (CDs). This article will review Kintsch's Construction-Integration and Anderson's Adaptive Control of Thought-Rational (ACT-R) cognitive architectures and…

Past research has demonstrated that nonlinear Web presentations (i.e., those that allow viewing in multiple orders) may lead to decreased free recall and learning of factual information compared to traditional, print-like linear Web designs. Recent evidence suggests, however, that nonlinear designs may facilitate learning of the interconnectedness…

This study sought to answer the question, Do all students benefit equally from the use of a hypermedia Goal-Based Scenario (GBS)? GBS is a subcategory of anchored instruction. The correlation between the demographic variables and achievement and specific cognitive variables and achievement was explored using a lesson on DNA, and was tested on…

Describes two stages of potential development that could make multimedia the core of an information infrastructure for educational reform: (1) incorporating hypermedia to enable knowledge construction by learners; and (2) using visualization and virtual communities to create artificial worlds. (16 references) (MES)

Presents a computer-based information system developed to support information understanding based on knowledge structures in hypermedia contexts. Examines the development and implementation of an understanding support system (USS), providing computational support for representation and access of knowledge structures. Discusses adding link-based…

Explores the relevance of hierarchies to information processing. Suggests that participants in all conditions create hierarchical representations as they work, and those in nonlinear conditions use this structure to guide their exploration of the material. An important function of hierarchies may be to define relationships between concepts.…

Discussion of discourse created by computers defines discourse as a pattern of cognitive functioning and identifies two such modes of thought: narrative and expository. Discussion covers the computer as discourse; schemas as a way to understand how knowledge is organized; simulations, hypermedia, and databases as discourse; and interactive…

The purpose of this study, unique in that it centered on students as creators rather than users of programs, was to determine whether collaboratively creating HyperCard stacks that presented information on four decades (i.e, the 1920s, the 1930s, 1945-60, and the 1960s) affected the amount of knowledge and the interrelatedness of informational…

Examines the psychological basis of hypermedia as a medium for learning, surveys the characteristics of current hypermedia systems, and suggests ways to make hypermedia systems more valuable as instructional environments. Highlights include parallels between human memory and hypermedia architectures; and hypermedia as knowledge presentation,…

Current electronic text formats can hinder the acquisition of main ideas or the central representation of a text unless some structural cues are embedded in the reading environment. This principle is based on the premise of cognitive psychology that learning is a reorganization of cognitive structure and that readers are most likely incapable of…

Hypertext is well-suited for educational applications where open learning and knowledge exploration is desired. In such applications, principles of good hypertext interface design should be employed to avoid navigational problems so as to maximize learning. Interface design, however, may also directly enhance acquisition of a particular knowledge…

The use of cognitive flexibility theory as a theoretical framework for designing hypertext has been found to be beneficial for learning in ill-structured domains. However, little is known of what role the learning task plays in the effectiveness of this approach. The present study examined the relationship between task, navigation, and learning…

Hypermedia as a learning environment complements traditional instruction as it places the student at a higher level of control. Instead of "wait and see" what the teacher expects the student to learn next, hypermedia stimulates the student to become aware of his/her own cognitive needs and interests. This paper presents a combination of notions…