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Donald J. Polzella

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Publication statistics

Pub. period:1987-1992
Pub. count:4
Number of co-authors:9

Co-authors

Number of publications with 3 favourite co-authors:

Paul McInerney:1
Michael D. Gravelle:1
Ken M. Klauer:1

Productive colleagues

Donald J. Polzella's 3 most productive colleagues in number of publications:

David W. Biers:18
William A. Perez:7
Paul McInerney:4

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May 27

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May 22

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Donald J. Polzella

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Publications by Donald J. Polzella (bibliography)

1992

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Polzella, Donald J., Gravelle, Michael D. and Klauer, Ken M. (1992): Perceived Effectiveness of Danger Signs: A Multivariate Analysis. In: Proceedings of the Human Factors Society 36th Annual Meeting 1992. pp. 931-934.

“Fifty-eight subjects were shown randomly-ordered facsimiles of 80 OSHA-standard danger signs and rated the signs on 13 dimensions related to perceived effectiveness. The data were analyzed by means of principal components analysis and a series of multivariate and univariate analyses of variance. Signs containing a hazard label and instructions (e.g., GASOLINE -- NO SMOKING) were rated as least likely to be recalled at a later time; however, they were rated as easiest to understand, most informative, and most likely to be complied with. Signs containing a hazard label only (e.g., POISON) were rated as least informative and most difficult to understand; however, they were rated as most likely to be recalled, as depicting a high degree of danger, and likely to be complied with. Signs containing instructions only (DO NOT ENTER) were rated as generally less effective.”

1988

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Biers, David W., Polzella, Donald J. and McInerney, Paul (1988): A Physical Measure of Subjective Workload. In: Proceedings of the Human Factors Society 32nd Annual Meeting 1988. pp. 1131-1135.

“This investigation compared a physical measure of subjective workload (i.e. hand dynamometer) with traditional verbal scaling techniques. There were four subjective rating groups. One group employed the Subjective Workload Assessment Technique (SWAT) which required three separate ratings of time stress, mental effort, and psychological stress. A second group used verbal magnitude estimation (ME). Two physical measure groups estimated the magnitude of workload by squeezing a dynamometer in accordance with the magnitude of workload experienced. The DYNA1 group made one overall rating of workload similar to the ME group. The DYNA3 group made three workload ratings along the same dimensions as SWAT. All groups rated the workload associated with the performance of a continuous memory task under twelve levels of task difficulty. The physical measure of subjective workload most closely corresponded to actual task performance differences. The results suggest future development of a physical measure of subjective workload which can be utilized on a continuous basis, thus avoiding a major shortcoming of typical verbal measures of subjective workload.”

1987

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Polzella, Donald J., Masline, Philip J., Amell, John R., Perez, William A. and Ramsey, Eric G. (1987): The Development of a Spatial Orientation Task for Inclusion in the Criterion Task Set (CTS). In: Proceedings of the Human Factors Society 31st Annual Meeting 1987. pp. 394-397.

“Twelve subjects performed the airplane task, a test of spatial ability, in order to determine whether or not the task is suitable for inclusion in the CTS battery. Subjects performed 12 trials of the task on four consecutive days. Both performance and subjective measures were recorded. Three significantly different loading levels were obtained using the rear, front, and bottom views of the plane. It was concluded that the airplane task appears to be suitable for inclusion in the CTS.”

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Polzella, Donald J. and Reid, Gary B. (1987): A Multidimensional Scaling Analysis of Subjective Workload Assessment Technique (SWAT) Ratings of the Criterion Task Set (CTS). In: Proceedings of the Human Factors Society 31st Annual Meeting 1987. pp. 398-401.

“A nonmetric weighted multidimensional scaling (MDS) procedure was used to analyze Subjective Workload Assessment Technique (SWAT) ratings of the Criterion Task Set (CTS). The results indicated that over 94 percent of the variability in SWAT ratings of CTS tasks could be represented in two orthogonal dimensions: response time and task effort.”

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