McKay, Fraser and Kölling, Michael
Evaluation of Subject-Specific Heuristics for Initial Learning Environments: A Pilot Study.
In: Psychology of Programming Interest Group 24th Annual Conference, 21st-23rd November 2012, London, UK.
(Full text available)
Heuristic evaluation is a “discount” technique for finding usability problems in well-established domains. This paper presents thirteen suggested heuristics for initial learning environments (ILEs). To investigate the usefulness of these heuristics to other developers, we conducted a pilot study that compared two groups of evaluators: one using an older, generalised set of heuristics from the literature, and one using our domain-specific heuristics. In this study, we compare not just the number of problems found, but the way in which the problem reports were expressed. There was a significant difference in the length of written comments when problems were found (those from the new set being longer). New-set reviews touch on more themes – many make suggestions about what would improve the problem; many comments refer to a suggested cause-and-effect relationship. As designers, we find this detail helpful in understanding problems. Quantitative data from this study is not large enough to support any robust conclusions about the relative thoroughness of the heuristics at this time, but we plan to use lessons learned from this study in a larger version shortly.
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