Title page for ETD etd-07072004-221558

Type of Document Master's Thesis
Author Berry, Brandon
Author's Email Address brberry@vt.edu
URN etd-07072004-221558
Title VaDeR: Visualizing a Development Record A Study of Claims-Centric Scenario-Based Design
Degree Master of Science
Department Computer Science
Advisory Committee
Advisor Name Title
McCrickard, Donald Scott Committee Chair
North, Christopher L. Committee Member
Pérez-Quiñones, Manuel A. Committee Member
  • human-computer interaction
  • information visualization
  • problem-based learning
  • case studies
  • claims
  • scenario-based design
Date of Defense 2004-06-21
Availability unrestricted
The scenario-based design process, particularly with an emphasis on claims,

captures and shares design knowledge that has promise in teaching design.

However, the best methods are not fully understood yet. This thesis examines

the areas of scenario-based design, claims relationships, and learning through

cases with the goal of learning what can be improved to better support these


In investigating those areas, an information visualization tool is created for

learning design through case studies. The tool combined claims from multiple

visualization techniques to create an approach for supporting problem-based

learning goals. In creating the tool, scenario-based design was used, with a

particular emphasis on claims for driving the development and evaluation. All

design rationale was captured in claims to create a tool that addressed the current

problem issues identified. A recently developed claims relationship framework,

used for the first time in development efforts, aided in structuring the design

rationale. Using these relationships, the design was tracked from requirements

analysis to problem claims to design claims and finally to claims that formed the

basis of an evaluation.

This thesis presents a case study of using claims relationships to drive the

development and evaluation of a tool for supporting problem-based learning

through case studies of scenario-based design. In creating a novel tool for learning

about cases, a unique example of claims-centric scenario based design emerges,

presenting as open questions new directions for merging scenarios, claims, and cases

in knowledge storage, access, and learning systems.

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