The growth of software skill: a longitudinal look at learning & performance

Authors:
Erik Nilsen;HeeSen Jong;Judith S. Olson;Kevin Biolsi;Henry Rueter;Sharon Mutter
Affiliations:
Lewis & Clark College, 615 Palatine Hill Road, Portland, OR;National University of Singapore;The University of Michigan;The University of Michigan;The University of Michigan;Western Kentucky University
Venue:
CHI '93 Proceedings of the INTERACT '93 and CHI '93 Conference on Human Factors in Computing Systems
Year:
1993

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Abstract

This research follows a group of users over time (16 months) as they progress from novice towards expert in their use of Lotus 1-2-3. Quantitative and qualitative measures of performance are compared with expert users having over three years of experience. The results indicate that the motor aspects of performance are relatively stable over time, while improvement in the cognitive components of the skill are dependent on aspects of the menu structure and how many things must be retrieved from memory, among other things. These results imply extensions to the Keystroke Level Model of skilled performance as well as suggest ways to design the user interfaces so as to speed the acquisition of expertise.