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James R. Sayer

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Publications by James R. Sayer (bibliography)

1995

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Sayer, James R., Mefford, Mary Lynn and Fancher, Paul S. (1995): Consumer Acceptance of Adaptive Cruise Control Following Experience with a Prototype System. In: Proceedings of the Human Factors and Ergonomics Society 39th Annual Meeting 1995. pp. 1092-1096.

“Reactions to adaptive cruise control (ACC) were solicited from drivers following use of an ACC equipped vehicle for one hour in an actual highway environment. Participant's impressions were obtained through questionnaires, administered immediately following the exposure, and later in focus groups. Individuals of varying age and conventional cruise control usage took part in the study. The issues of comfort, safety, ease-of-use, and estimated worth were addressed. While participants offered favorable responses towards ACC, despite having limited safety concerns, they were willing to pay surprisingly little for the added convenience provided. The issues of driver over-dependency on technology, system reliability, and customized features appear to warrant additional investigation to overcome consumer's hesitation towards purchasing and using ACC and similar forms of advanced vehicle control systems.”

1989

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Harrison, Patti L. Kelly, Sayer, James R. and Snyder, Harry L. (1989): Product Evaluation of Three Competing Document Production Devices. In: Proceedings of the Human Factors Society 33rd Annual Meeting 1989. pp. 455-459.

“Three competing document production devices were evaluated in terms of ease of learning and ease of use. Forty temporary office workers were hired to learn each device and then perform 16 identical exercises on each machine. After each exercise, the subjects were to rate the features assessed in that exercise along several seven-point rating scales anchored on either "Easy to Do" -- "Hard to Do" or "Easy to Remember" -- "Hard to Remember." After completing these exercises on each of the devices, the subjects were then asked to perform six additional exercises on the machines and to compare and rank them. Data consisted of subjective ratings from the exercises, the times required to complete each of the exercises, and the subjective rankings of the machines. Analyses of variance of the subjective ratings identified 78 out of 160 factors by which to distinguish the devices. These subjective factors were supported by an analysis of variance of the time data. Nonparametric analysis of variance of the subjective rankings of the devices identified an additional 23 out of 26 features by which the devices reliably differed.”

1988

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Sayer, James R. and Green, Paul (1988): Student-Initiated Human Factors Research at Michigan: A Guide for Research on a Shoestring. In: Proceedings of the Human Factors Society 32nd Annual Meeting 1988. pp. 485-489.

“This paper describes how and why an undergraduate student might go about conducting an independent research project, citing a study conducted by the authors as an example. Specifically, this paper discusses the benefits of such an effort, how to find an advisor, what might be expected of a student, and how long it might take. For each of these issues, likely problems are discussed as well as possible solutions. Based upon their experience, the authors believe that the critical factors are the perseverance of the student and advisor, and the quality of the project planning.”

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