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Development of performance evaluation tests for environmental research (PETER): navigation plotting.

S F Wiker, R S Kennedy, R L Pepper

Aviation, Space, and Environmental Medicine

|February 1, 1983

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The Navigation Plotting task shows potential for evaluating seafarer performance. After practice, its completion and correctness metrics are reliable for research, despite initial metric instability.

Area of Science:

Maritime research
Human factors engineering
Performance evaluation

Background:

Shipboard navigation plotting is crucial for maritime operations.
Existing performance evaluation tools may not fully capture the complexities of real-world navigation tasks.
The Performance Evaluation Tests for Environmental Research (PETER) battery aims to standardize environmental research testing.

Purpose of the Study:

To evaluate the Navigation Plotting task for inclusion in the PETER test battery.
To assess the reliability and stability of the task under laboratory and at-sea conditions.
To determine the suitability of different performance metrics for this task.

Main Methods:

A 9-minute self-paced Navigation Plotting task was administered.

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The task was tested in laboratory settings and at sea on three vessels.

Differential stability and reliability of performance metrics were analyzed through repeated testing.

Main Results:

The 'percent correct' metric was found to be unreliable.
Total completion and total correct scores met minimum statistical stability and reliability criteria after 10-15 practice trials.
The task demonstrated sensitivity to vessel motion and motion sickness.

Conclusions:

The Navigation Plotting task is recommended for the PETER test battery.
Its operational validity and sensitivity to environmental factors make it a valuable tool.
Reliable performance metrics (total completion and total correct) were identified after sufficient practice.