A directory of resources inthe field of technical communication.

Yonsei University

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1.
#14839

Contextual Navigation Aids for Two World Wide Web Systems   (PDF)

In spite of the radical enhancement of Web technologies, many users still continue to experience severe difficulties in navigating Web systems. One way to reduce the navigation difficulties is to provide context information that explains the current situation of Web users. In this study, we empirically examined the effects of 2 types of context information, structural and temporal context. In the experiment, we evaluated the effectiveness of the contextual navigation aids in 2 different types of Web systems, an electronic commerce system that has a well-defined structure and a content dissemination system that has an ill-defined structure. In our experiment, participants answered a set of postquestionnaires after performing several searching and browsing tasks. The results of the experiment reveal that the 2 types of contextual navigation aids significantly improved the performance of the given tasks regardless of different Web systems and different task types. Moreover, context information changed the users’ navigation patterns and increased their subjective convenience of navigation. This study concludes with implications for understanding the users’ searching and browsing patterns and for developing effective navigation systems.

Park, Joonah and Jinwoo Kim. Yonsei University (2000). Design>User Interface>Hypertext

2.
#14867

Critical Design Factors For Successful E-Commerce Systems   (PDF)

The primary goal of this paper is to identify critical design factors that have substantial effects on the performance of e-commerce systems. This paper presents a theoretical model that examines the relationships among detailed design factors, perceived quality level and ®nal performance of e-commerce systems. Two consecutive empirical studies were conducted to verify the theoretical model. Results from these studies reveal that the information phase among four transaction phases was the most in¯uential in the ®nal performance of e-commerce systems. Among the myriad design factors related to the information phase, product-related information, depth and variety of the system structure, variety of list view for products, consistency of product and background presentation, and variety of presentation for product information were all found to be closely related to the perceived quality level. This paper ends with the theoretical and practical implications of the study results.

Kim, Jinwoo and Jungwon Lee. Yonsei University (2002). Design>Web Design>E Commerce

3.
#14866

From Design Features To Financial Performance: A Comprehensive Model Of Design Principles For Online Stock Trading Sites   (PDF)

As e-business grows rapidly, interests in design principles for e-business web sites are increasing. A few studies have suggested design principles with concrete design features, but failed to link the features to the performance of an e-business site, such as attitudes of its customers or financial performance of the e-business company. This paper proposes a comprehensive framework that covers from concrete design features to financial performance for online stock trading, which is one of the most important domains of e-business. The proposed model for online stock trading sites consists of three design principles: functional convenience, representational delight, and structural firmness. Through empirical studies, this research found that the convenience, delight and firmness principles were closely related to the level of customer satisfaction, and, consequently, to the level of customer loyalty to the sites. We also identified important design features such as presentation of stock quotes in the homepage for each of the three design principles. Finally, the study results showed that customer loyalty would affect the financial performance of online stock trading companies. This paper concludes with the implications and limitations of the results.

Lee, Youngsu and Jinwoo Kim. Yonsei University (2002). Design>Web Design>Usability

4.
#14868

How Do We Understand a System with (So) Many Diagrams? Cognitive Integration Processes in Diagrammatic Reasoning   (PDF)

In order to understand diagrammatic reasoning with multiple diagrams, this study proposes a theoretical framework that focuses on the cognitive processes of perceptual and conceptual integration. The perceptual integration process involves establishing interdependence between relevant system elements that have been dispersed across multiple diagrams, while the conceptual integration process involves generating and refining hypotheses about a system by combining higher-level information inferred from the diagrams. This study applies a diagrammaticreasoning framework of a single diagram to assess the usability of multiple diagrams as an integral part of a system development methodology. Our experiment evaluated the effectiveness and usability of design guidelines to aid problem solving with multiple diagrams. The results of our experiment revealed that understanding a system represented by multiple diagrams involves a process of searching for related information and of developing hypotheses about the target system. The results also showed that these perceptual and conceptual integration processes were facilitated by incorporating visual cues and contextual information in the multiple diagrams as representation aids. Visual cues indicate which elements in a diagram are related to elements in other diagrams; the contextual information indicates how the individual datum in one diagram is related to the overall hypothesis about the entire system.

Kim, Jinwoo, Jungpil Hahn and Hyoungmee Hahn. Yonsei University (2000). Design>Graphic Design

5.
#14840

Toward the Optimal Link Structure of the Cyber Shopping Mall   (PDF)

This study aims at identifying the optimal link structure, which is an essential requirement for convenient and pleasant cyber-shopping. To achieve the goal, this paper presents a research framework in which different types of links are hypothesized to cause different patterns of customer navigation, which in turn is expected to influence cognitive convenience and emotional pleasure of cyber shopping. Based on two dimensions of links, link direction and link target, various links are classified into five types; NBR(Neighborhood), PAR(Parent), TOP, NEP(Nephew), and IND (Index). Two consecutive experiments were conducted in order to evaluate the cognitive and emotional usability of various combinations of the five link types. Experimental results clearly indicated that different combinations of link types influenced customers’ navigation patterns, which in turn effected the convenience and pleasure of shopping. It was found that the combination of NBR, TOP and IND generated the optimal link structure, whereas PAR and NEP rather decreased the degree of shopping pleasure and convenience. This paper concludes with its limitations and implications on the construction of effective cyber shopping malls.

Kim, Jinwoo and Byunggon Yoo. Yonsei University (2000). Design>Information Design>Web Design>E Commerce

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