Measuring the learnability of spreadsheets in inexperienced users and those with previous spreadsheet experience

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Abstract
The issues of ‘usability’ and ‘learnability’ are assuming an increasingly important role for both the designers of software and their prospective customers. Objective measures of the interaction between system and user are important for the development of software that is both easy to learn and pleasurable to use. In this study we apply a set of five measures to evaluate users’ interactions with spreadsheet software, and to compare two spreadsheet packages. We tested 16 people with no previous experience of spreadsheets and 16 with experience of spreadsheets generally though not of the spreadsheet we gave them. Half were allocated to learn Excel and half to learn Wingz, running on Apple Macintosh computers. A standard task was constructed to assess understanding of the basic concepts involved in the use of • spreadsheets. Users’ previous experience of spreadsheet use was the most salient factor in the scores achieved on the task. The brand of spreadsheet had no significant effect on task performance. Implications for designers of software and users of spreadsheet packages are discussed.

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