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Influence of task demand characteristics on workload and performance.
Int J Aviat Psychol. 1995; 5(1):63-86.IJ

Abstract

Two experiments are reported that examined the influence of variation in task demand on performance and workload. The first experiment considered how the manipulation of prior level of task demand affected subsequent workload and performance. The second experiment examined the effects on performance and workload of increments in the level of task demand. Results from the first study indicated that prior level of imposed task difficulty did affect response in a manner consistent with a scaling of workload in relation to previous task conditions. The second study demonstrated the primacy of absolute demand level over increments in that demand as influencing operator response. Overall, our results indicate that workload and performance are sensitive to multiple characteristics of the task and not instantaneous demand level alone. These findings are important in explaining why association and dissociation occur between task demand, operator efficiency, and perceived workload in differing performance contexts. The importance of these findings for the aviation psychologist in assessing pilot and operator workload is articulated.

Authors+Show Affiliations

Hancock PA
University of Minnesota, USA.
Williams G
No affiliation info available
Manning CM
No affiliation info available
Miyake S
No affiliation info available

MeSH

AdultAerospace MedicineAircraftAviationComputer SimulationErgonomicsFemaleHumansMaleMental ProcessesPsychomotor PerformanceReaction TimeTask Performance and AnalysisWorkload

Pub Type(s)

Journal Article
Research Support, U.S. Gov't, Non-P.H.S.

Language

eng

PubMed ID

11541497

Citation

Hancock, P A., et al. "Influence of Task Demand Characteristics On Workload and Performance." The International Journal of Aviation Psychology, vol. 5, no. 1, 1995, pp. 63-86.
Hancock PA, Williams G, Manning CM, et al. Influence of task demand characteristics on workload and performance. Int J Aviat Psychol. 1995;5(1):63-86.
Hancock, P. A., Williams, G., Manning, C. M., & Miyake, S. (1995). Influence of task demand characteristics on workload and performance. The International Journal of Aviation Psychology, 5(1), 63-86.
Hancock PA, et al. Influence of Task Demand Characteristics On Workload and Performance. Int J Aviat Psychol. 1995;5(1):63-86. PubMed PMID: 11541497.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Influence of task demand characteristics on workload and performance. AU - Hancock,P A, AU - Williams,G, AU - Manning,C M, AU - Miyake,S, PY - 1995/1/1/pubmed PY - 2001/9/11/medline PY - 1995/1/1/entrez SP - 63 EP - 86 JF - The International journal of aviation psychology JO - Int J Aviat Psychol VL - 5 IS - 1 N2 - Two experiments are reported that examined the influence of variation in task demand on performance and workload. The first experiment considered how the manipulation of prior level of task demand affected subsequent workload and performance. The second experiment examined the effects on performance and workload of increments in the level of task demand. Results from the first study indicated that prior level of imposed task difficulty did affect response in a manner consistent with a scaling of workload in relation to previous task conditions. The second study demonstrated the primacy of absolute demand level over increments in that demand as influencing operator response. Overall, our results indicate that workload and performance are sensitive to multiple characteristics of the task and not instantaneous demand level alone. These findings are important in explaining why association and dissociation occur between task demand, operator efficiency, and perceived workload in differing performance contexts. The importance of these findings for the aviation psychologist in assessing pilot and operator workload is articulated. SN - 1050-8414 UR - https://www.unboundmedicine.com/medline/citation/11541497/Influence_of_task_demand_characteristics_on_workload_and_performance_ DB - PRIME DP - Unbound Medicine ER -