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Hybrid Usability Methodology: Integrating Heuristic Evaluation with Laboratory Testing across the Software Development Lifecycle

The reviews of literature have shown that many website usability problems are found late in the Software Development Life Cycle (SDLC). This is due to the usage of traditional usability testing techniques which are not sufficient and suitable with the growing complexity of websites and constraints f...

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Main Authors: Sivaji, Ashok, Abdullah, Mohamed Redzuan, Downe, Alan G.
Format: Citation Index Journal
Published: 2013
Subjects:
T Technology (General)
Online Access:http://eprints.utp.edu.my/11073/1/citations_view_op%3Dview_citation%26hl%3Den%26user%3DhmwNcbIAAAAJ%26citation_for_view%3DhmwNcbIAAAAJ_p2g8aNsByqUC
http://eprints.utp.edu.my/11073/
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spelling my.utp.eprints.110732014-02-16T23:41:46Z Hybrid Usability Methodology: Integrating Heuristic Evaluation with Laboratory Testing across the Software Development Lifecycle Sivaji, Ashok Abdullah, Mohamed Redzuan Downe, Alan G. T Technology (General) The reviews of literature have shown that many website usability problems are found late in the Software Development Life Cycle (SDLC). This is due to the usage of traditional usability testing techniques which are not sufficient and suitable with the growing complexity of websites and constraints faced by usability practitioners. For instance, the Lab Based Usability Testing (LBUT) is expensive and has lesser coverage than Exploratory Heuristics Evaluation (EHE) while the EHE is subjected to false alarms. A hybrid usability methodology (HUM) comprising of LBUT and EHE is proposed. Six experiments involving EHE and LBUT were performed at the early, intermediate and advanced stages of the SDLC of websites, during which the optimal relative performance of each method were measured using the dependent variables followed by the design of a HUM. To validate the HUM, four case studies were conducted, during which significant improvements were observed in website effectiveness and efficiency. Based on the findings, HUM is a feasible approach for usability practitioners and also provides stakeholders a validated situational decision making framework for usability testing strategies taking into account real world constraints. 2013 Citation Index Journal PeerReviewed other http://eprints.utp.edu.my/11073/1/citations_view_op%3Dview_citation%26hl%3Den%26user%3DhmwNcbIAAAAJ%26citation_for_view%3DhmwNcbIAAAAJ_p2g8aNsByqUC Sivaji, Ashok and Abdullah, Mohamed Redzuan and Downe, Alan G. (2013) Hybrid Usability Methodology: Integrating Heuristic Evaluation with Laboratory Testing across the Software Development Lifecycle. [Citation Index Journal] http://eprints.utp.edu.my/11073/
institution Universiti Teknologi Petronas
building UTP Resource Centre
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Petronas
content_source UTP Institutional Repository
url_provider http://eprints.utp.edu.my/
topic T Technology (General)
spellingShingle T Technology (General)
Sivaji, Ashok
Abdullah, Mohamed Redzuan
Downe, Alan G.
Hybrid Usability Methodology: Integrating Heuristic Evaluation with Laboratory Testing across the Software Development Lifecycle
description The reviews of literature have shown that many website usability problems are found late in the Software Development Life Cycle (SDLC). This is due to the usage of traditional usability testing techniques which are not sufficient and suitable with the growing complexity of websites and constraints faced by usability practitioners. For instance, the Lab Based Usability Testing (LBUT) is expensive and has lesser coverage than Exploratory Heuristics Evaluation (EHE) while the EHE is subjected to false alarms. A hybrid usability methodology (HUM) comprising of LBUT and EHE is proposed. Six experiments involving EHE and LBUT were performed at the early, intermediate and advanced stages of the SDLC of websites, during which the optimal relative performance of each method were measured using the dependent variables followed by the design of a HUM. To validate the HUM, four case studies were conducted, during which significant improvements were observed in website effectiveness and efficiency. Based on the findings, HUM is a feasible approach for usability practitioners and also provides stakeholders a validated situational decision making framework for usability testing strategies taking into account real world constraints.
format Citation Index Journal
author Sivaji, Ashok
Abdullah, Mohamed Redzuan
Downe, Alan G.
author_facet Sivaji, Ashok
Abdullah, Mohamed Redzuan
Downe, Alan G.
author_sort Sivaji, Ashok
title Hybrid Usability Methodology: Integrating Heuristic Evaluation with Laboratory Testing across the Software Development Lifecycle
title_short Hybrid Usability Methodology: Integrating Heuristic Evaluation with Laboratory Testing across the Software Development Lifecycle
title_full Hybrid Usability Methodology: Integrating Heuristic Evaluation with Laboratory Testing across the Software Development Lifecycle
title_fullStr Hybrid Usability Methodology: Integrating Heuristic Evaluation with Laboratory Testing across the Software Development Lifecycle
title_full_unstemmed Hybrid Usability Methodology: Integrating Heuristic Evaluation with Laboratory Testing across the Software Development Lifecycle
title_sort hybrid usability methodology: integrating heuristic evaluation with laboratory testing across the software development lifecycle
publishDate 2013
url http://eprints.utp.edu.my/11073/1/citations_view_op%3Dview_citation%26hl%3Den%26user%3DhmwNcbIAAAAJ%26citation_for_view%3DhmwNcbIAAAAJ_p2g8aNsByqUC
http://eprints.utp.edu.my/11073/
_version_ 1738655928548327424
score 13.211869

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