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3. Psychological & Physiological

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23
9. Depth Perception

Depth perception is your ability to correctly perceive the distances of objects in relation to your own position. Depth perception is important when passing, approaching a vehicle or obstruction, and in turning.

Poor depth perception can result in:

  • stopping too short of limit lines or inside intersections,
  • turning too wide or too short
  • being unable to maintain a constant speed
  • being unable to follow other vehicles at a distance appropriate for driving conditions.

  • Traffic circles, or roundabouts, are an excellent example of the need for depth perception. Upon approaching the circle, a driver must use depth clues to determine his or her entrance speed, and whether a complete stop will be required, or a yield.

    Upon entering the circle, especially one with multiple lanes, the driver must get depth clues about the speed and distance of other cars already in the circle, as well as those preparing to enter.

    Lesson Summary


      

    Lesson 3 Quiz


    You will now answer 5 questions to test what you learned during this lesson. You must answer all questions correctly to receive completion credit for this lesson. You may answer the questions as many times as necessary to get them right.

    You should review the lesson material if you don't do well on the quiz.

    1. When listening to your car radio, or other audio device:


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    2. Your "Field of Vision" is:


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    3. A vehicles' "blind spots" are:


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    4. The "P" in the SIPDE process stands for:


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    5. The colorless, odorless and poisonous gas from the exhaust is called:


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