Loftus And Plamer✅ Flashcards
How many pps in Exp 1.??
45 American students (gender and age were not recorded)
5 groups of 9pp
How many clips were shown to pps in experiment 1??
4 different clips
(Training films by Seattle Police Department
Evergreen safety council)
What speeds were the cars travelling at in the videos in experiment 1??
20,30,40mph
What was the main question amongst the filler questions pps had to answer in Exp.1??
“About how fast were the cars travelling when they……”
- bumped
- contacted
- hit
- collided
- smashed
Conclusions of exp.1:
-verb gives pps clues on how to rate their estimates- the verb used alters memory.
Aim of Exp.1:
Whether using different verbs to describe a collision between 2 cars would affect estimates of speed travelling when cars hit.
Results of experiment:
Smashed- 40.5mph Collided- 39.3mph Bumped- 38.1mph Hit- 34.0mph Contacted- 31.8mph
Aim of Exp.2:
Whether different speed estimates found in Exp.1 , were results of distortion in memory
How many Pps in Exp.2?
150 students
-3 groups of 50pps
(Gender and age was not recorded)
Film shown in Exp.2:
- all shown short film of car accident (less than one min)
- accident lasted 4 secs
What were the first group asked in Exp.2??
“How fast we’re the cars going when they HIT each other??”
What were the second group asked in Exp.2??
“How fast were the cars going when they SMASHED into each other?”
What were the third group asked in Exp.2??
No asked anything.
What happened one week later in Exp.2??
All groups asked if they saw any broken glass (as well as 9 other filler questions)
Results of Exp.2:
Smashed. Hit. Control
Yes. 16. 7. 6
No. 34. 43. 44
