Preparation Cost and Dual-Task Performance: Further Evidence against a General Time-sharing Factor.

Abstract

The time-sharing performance of 12 pilot trainees and 12 subjects with no pilot training was evaluated on 8 dual-task and 4 single-task conditions. Three task characteristics-input modality (auditory or visual), output modality (vocal or manual), and task difficulty (easy or difficult)--were systematically manipulated across conditions in an effort to vary the nature of the specific time-sharing demands imposed. To assess their generality, time-sharing factors were correlated across task conditions. A factor was considered general if it correlated across conditions imposing dissimilar time-sharing demands. The result suggest that (a) neither an ability to time-share efficiently nor an ability to effectively prepare for multiple tasks is a general factor in dual-task performance, and (b) effective preparation for multiple tasks is a skill that increases with piloting experience. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Aug 31, 1979
Accession Number
ADA080857

Entities

People

  • David B. Bachmann
  • Elizabeth Ollich-rodriguez
  • Harold L. Hawkins
  • R. Daniel Ketchum
  • Thomas O. Halloran

Organizations

  • University of Oregon

Tags

DTIC Thesaurus Topics

  • Contracts
  • Efficiency
  • Flight Training
  • Information Processing
  • Instructions
  • Parallel Computing
  • Parallel Processing
  • Pilots
  • Psychology
  • Reaction Time
  • Security
  • Students
  • Switching
  • Task Performance And Analysis
  • Trainees
  • Training
  • Universities

Readers

  • Brain and Cognitive Science; Experimental Psychology; Cognitive Neuroscience