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I__. - International Military Testing Association

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. Stressors<br />

An anal.ysis was made of the possible physical and psychological<br />

stressors.<br />

1. Physical Stressors<br />

1. Limited working space.<br />

2. Iieat caused by instruments, engine, clothing.<br />

3. Vibration due to the vehicle movements.<br />

4. Noise, especially in a war situation.<br />

5. Darkness.<br />

2. Psychological Stressors<br />

1. Overload of information, visual and auditory.<br />

2. Permanent concentration needed.<br />

3. Time presscre.<br />

4. Unexpected events.<br />

5. Feeling of isolation;,<br />

6. Feeling of claustrofobia<br />

C. Ability and Aptitude Requirements<br />

Based on the tasks analysis and the inventory of the different<br />

stressors, it is clear that several ability and aptitude requirements<br />

the<br />

are needed for beeing a good gunner. As we shall see later,<br />

different requirements are also needed for a good performance in GUTS.<br />

Requirements :<br />

- Learning ability.<br />

- Memory.<br />

- Reaction time.<br />

- Motor coordination.<br />

- Stress management.<br />

- Concentration.<br />

4. Construction of GUTS<br />

The aim was to incorporate the different tasks and stressors in the<br />

selection-simulator. Ke did this in the following design.<br />

16<br />

I

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