Theory Test Prep

Human Factors

The driver as the biggest risk — alcohol, fatigue, vision, distraction and the vulnerable road users you must protect.

Topics in this module

1. 1The Driver's Code: Observe, Decide, Act

   • The Three Stages
   • How Each Stage Fails
   • Why Naming the Stage Matters
2. 2Vision & Perception

   • Central, Peripheral and Tunnel Vision
   • Dark Adaptation and Night Vision
   • The Kenyan Glare Problem
   • Turning Vision Into Observation: the Mirrors
   • Driving Within Your Vision
3. 3Alcohol

   • The Law: Two Limits
   • Why Alcohol Is Uniquely Dangerous
   • The Impairment Ladder
   • The Myths, and Why Counting Drinks Fails
   • Liability Beyond the Wheel
4. 4Fatigue
5. 5Distraction
6. 6Children in Traffic
7. 7The Full Vulnerable Road User Picture

   • One Principle, Many People
   • Pedestrians: The Leading Fatality Group
   • The Groups, and the Margin Each Calls For