Misleading Information On EWT Flashcards
How many film clips of car crashes did they show the participants?
7
Who did the research on the effect of misleading information on eye witnesses?
Loftus and Palmer
How many participants did they use in the first study?
45 American students
How many groups were the participants divided into in the first study?
5 groups
In the first study what did the groups have to do after watching the clips of car crashes?
Make a written account of what they saw and answer a series of questions
What question were all groups asked?
Each group were asked a question about the speed of the cars. The question varied by one word for each group implying a different speed (contacted, hit, bumped, collided, smashed) to see if the misleading information affected the answer that the students gave
What was the estimated speed at contacted?
31.8 mph
What was the estimated speed at smashed?
40.8 mph
What was the estimated speed at bumped?
38.1 mph
What was the estimated speed at hit?
34 mph
What was the estimated speed at collided?
39.3 mph
What are misleading words in order of average speed they gave from lowest to highest?
Contacted, hit, bumped, collided, smashed
What did the first piece of research suggest?
That misleading information and the way questions are asked can alter the answers given by eye witnesses
How many participants were used in the second piece of research?
50 American students
How many groups were they divided into?
3
- the first were asked the speed of the cars when they “smashed”
- the second were asked the speed of the cars when they hit
- the control group weren’t asked about speed