Procedure

Question 1

Step 1

Answer 1

Participants were shown 7 videos of car crashes and given a questionnaire after each one

Question 2

Step 2

Answer 2

They were asked to give an account of the accident, then they were asked questions relating to the accident.

Question 3

Step 3

Answer 3

In order to counteract order effects, groups were presented with a different order of films

Question 4

Step 4

Answer 4

The authors theorised that the stronger the verb, the higher the speed estimate would be

Question 5

Step 5

Answer 5

Each subject received one of the 5 verbs

Question 6

Apparatus

Answer 6

5-30 second long videos, safety promotion films
4 of the 7 clips were staged crashes
Staged crashes had known speeds (2 it was 40, 1 it was 20, 1 was 30)
This meant the accuracy of speed estimates could be measured.