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Jeanne P. Bayerl

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Publications by Jeanne P. Bayerl (bibliography)

1995

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Savage, Pamela A., Millen, David R. and Bayerl, Jeanne P. (1995): Designing Features for Display-Based Systems. In: Proceedings of the Human Factors and Ergonomics Society 39th Annual Meeting 1995. pp. 182-186.

“The purpose of this paper is to provide a detailed description of the design process used to identify the optimal implementation of the Caller ID feature for a key/pbx telephone system for small businesses. A multidisciplinary team used an assortment of design methodologies such as: literature reviews, patent searches, competitive analysis, feature simulations, focus group research, focused interviews, and usability testing to generate their final design recommendation, which has recently been awarded a patent. Specifically, this paper will focus on: 1) the competitive analysis that included a product comparison and best-in-class analysis of three commercially available Caller ID products, 2) focus group research in which participants viewed slide show demonstrations of display-based features, made ease of use and feature desirability ratings, and then expressed their views toward the features in structured focus group discussion, and 3) focused interviews with customers who had been given Caller ID display units to trial.”

1988

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Bayerl, Jeanne P., Millen, David R. and Lewis, Steven H. (1988): Consistent Layout of Function Keys and Screen Labels Speeds User Responses. In: Proceedings of the Human Factors Society 32nd Annual Meeting 1988. pp. 344-346.

“Personal-computer applications-software often requires people to navigate and select options using their keyboard's function keys where context-dependent meanings for these keys are assigned by guides or menus labeled on the screen. The physical layout of function keys on standard PC-compatible keyboards differs from the most common layouts of screen labels. This study examined user performance consequences of this simple, spatial, inconsistency. In a simulated order entry task, 36 participants each completed 240 trials, 40 with each of six different combinations of two keyboards and three screen guides with different spatial arrangements of function keys and screen labeling. One keyboard used the standard 5x2 function key pad and one used a single horizontal row of function keys; the screen guides were either a horizontal row, a vertical list, or a grid consistent with the standard key pad. We collected measures of response time, errors, and user preferences. Analysis of errors showed no reliable results. Analysis of response times showed several significant effects. Responses were faster with the two combinations of key pad and screen-guide layouts that were spatially consistent than with the four inconsistent layouts. Response times were also faster with the keyboard with horizontal function keys than with the standard layout, and slower with the vertical screen guide than with either of the other two guides. Over 80% of the participants thought the task was easiest when the screen guide matched the function key layout.”

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