ABSTRACT
A USABILITY EVALUATION FRAMEWORK AND A CASE STUDY
ON A SUPPLIER PORTAL SYSTEM
Babayigit, Elif Fatma
M.Sc., Department of Industrial Engineering
Supervisor: Assoc. Prof. Dr. Tayyar Sen
December 2003, 229 pages
The goal of this thesis is to provide a usability evaluation framework in the area
of e-procurement technologies and a case study on this base. A survey of the
concepts of human computer interaction, usability and usability evaluation
techniques is carried out. Additionally current e-procurement technologies are
explored and specifically a Company&rsquo / s Supplier Portal System which was
employed in year 2003, as an e-procurement technology for the procurement of
direct goods, is taken into consideration. Pointing from the findings of the
survey, a usability evaluation methodology is developed based on user and task
analysis of the Supplier Portal. Within this methodology, in terms of
performance metrics of the Supplier Portal, usability attributes to be measured
are determined and a checklist for a heuristic system evaluation is developed.
iv
While a laboratory testing structure is proposed for the case, a usability
satisfaction survey and empirical usability tests are implemented with the actual
users of the Company Supplier Portal. Descriptive and inferential formal
analyses of the survey and field test results are studied, contributing to the
Usability Evaluation of the Portal. Lastly further prospects are pointed, where
usability, formal analysis, supply chain management and systems design
intercept.
| Identifer | oai:union.ndltd.org:METU/oai:etd.lib.metu.edu.tr:http://etd.lib.metu.edu.tr/upload/2/1224864/index.pdf |
| Date | 01 December 2003 |
| Creators | Babayigit, Elif Fatma |
| Contributors | Sen, Tayyar |
| Publisher | METU |
| Source Sets | Middle East Technical Univ. |
| Language | English |
| Detected Language | English |
| Type | M.S. Thesis |
| Format | text/pdf |
| Rights | To liberate the content for public access |
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