loftus and palmer

Question 1

aim

Answer 1

• to see how we remember the details of a complex event like a traffic accident
• see how accurate estimates of mean speed would be when leading questions were used

Question 2

post event info

Answer 2

information given after event which changes their perception of what occurred

Question 3

leading questions

Answer 3

asking someone a question in a way that makes them respond with the answer you are looking for

Question 4

exp 1

Answer 4

• sample of 45 ppts in groups of various sizes
• 7 films showing car accident shown, which were 5-30 seconds long
• critical question was, “ how fast were the cars going when the contacted/hit/bumped/collided/smashed into each other?”
• 5 diff verbs used
• measured the speed estimate for the verbs
• entire exp lasted 30 mins

Question 5

exp 1 results

Answer 5

smashed = 40.5mph
contacted = 31.8mph

Question 6

exp 2

Answer 6

1. conducted to provide additional insight into different speed estimates
2. 150 students sample size in groups of various sizes
3. film of multiple car accidents lasted 1 minute
4. the accident was 4 seconds long
5. questionnaire asking them to describe the accident in own words and then to answer a series of questions about incident
6. critical questions was “about how fast were the cards going when they smashed into each other?”
7. 3 conditions: smashed, hit, and a controlled
8. 1 week late ppts we’re asked “did u see why broken glass?”, answering yes or no

Question 7

exp 2 results

Answer 7

mean speed estimate for smashed was= 10.46
hit = 8mph

sig diff found
probability of saying yes to smashed =16
hit = 7