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Development of performance evaluation tests for environmental research (PETER): complex counting test

R S Kennedy, A C Bittner

Aviation, Space, and Environmental Medicine

|February 1, 1980

Summary

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The complex counting test, part of the Performance Evaluation Tests for Environmental Research (PETER) program, proved reliable for measuring performance over 3 weeks. This test is suitable for environmental research and time-course studies.

Area of Science:

Psychology
Environmental Science
Human Factors

Background:

Developing reliable performance evaluation tools is crucial for environmental research.
Existing methods may not adequately capture complex human performance over time.

Purpose of the Study:

To introduce and evaluate a complex counting task as part of the Performance Evaluation Tests for Environmental Research (PETER) battery.
To assess the reliability (internal consistency, sensitivity, stability) of the complex counting task.

Main Methods:

Nineteen volunteers completed a complex tracking task daily for three weeks.
Performance data were analyzed for learning curves, internal consistency, subject differentiation (sensitivity), and measurement stability.
Cross-tidal reliability was assessed over an 11-day period.

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Main Results:

Rapid learning occurred, with performance stabilizing within the 3-week testing period.
The test demonstrated good internal consistency and sensitivity.
Cross-tidal reliability remained high, showing only a slight decline from r=.94 to r=.79 over 11 days after initial practice.

Conclusions:

The complex counting test exhibits sufficient stability and reliability for use in environmental research.
This task is recommended for time-course research due to its suitability and robust performance characteristics.