ADI Hazard Perception Theory

Question 1

In the context of hazard perception, a 'developing hazard' is defined as:

Accepted Answer

A potential hazard that is changing and will require the driver to take action

Answer

A static hazard such as a parked car

Answer

Any situation visible more than 100 m ahead

Answer

An unavoidable road condition

Question 2

What is the relationship between speed and stopping distance?

Accepted Answer

Stopping distance increases with the square of the speed — doubling speed quadruples stopping distance

Answer

Stopping distance is directly proportional to speed

Answer

Stopping distance doubles when speed doubles

Answer

Speed has no effect on stopping distance in good conditions

Question 3

Which factor has the greatest effect on a driver's reaction time?

Accepted Answer

Alcohol, fatigue or drug use

Answer

Tyre condition

Answer

Weather conditions

Answer

Vehicle weight

Question 4

What technique should ADIs teach to help pupils identify emerging hazards when driving on rural roads?

Accepted Answer

Scan well ahead, use the road geometry to predict hidden hazards and adjust speed accordingly

Answer

Speed up to cover the road more quickly before hazards appear

Answer

Stay in the centre of the road for better visibility

Answer

Rely on hazard warning signs to be alerted

Question 5

What does 'commentary driving' help develop in learner drivers?

Accepted Answer

Their hazard perception and verbal articulation of risk identification

Answer

Their knowledge of the Highway Code

Answer

Their mechanical sympathy with the vehicle

Answer

Their confidence to overtake safely

Question 6

Peripheral vision is important for hazard perception because it:

Accepted Answer

Detects movement at the edges of the field of view before it enters the area of focused attention

Answer

Provides the clearest detail of distant objects

Answer

Is only relevant at night

Answer

Is less affected by alcohol than central vision