Cognitive Area Flashcards
Strengths of the cognitive area:
- Establish cause and effect
- Highly controlled studies
- Extended our understanding of people
Weaknesses of cognitive area:
- Studies lack ecological validity
- Open to social desirability
- Cognitive reductionism
When was Loftus and Palmer conducted?
1974
What is a schema?
- Framework of knowledge about the world
- Knowledge packages that are built up through experience of the world
What is the background of Loftus and Palmer’s study?
- Memory involves interpreting what is seen or heard, recording it, then reconstructing it
- Recall can be distorted or biased
- Investigated how memory can be distorted
What was the aim of Loftus and Palmer’s experiment 1?
- To see whether using different verbs to describe a collision between two cars would affect speed estimates
What was the sample used in experiment 1 of Loftus and Palmer?
- Opportunity sample
- 45 students split into 5 groups of 9
What were the 5 verbs used in experiment 1 of Loftus and Palmer?
- Smashed
- Collided
- Bumped
- Contacted
- Hit
What was the first question asked to participants in experiment 1 of Loftus and Palmer?
“Give an account of the accident you have just seen”
What was the critical question in experiment 1 of Loftus and Palmer?
“About how fast were the cars going when they ______ each other”
How long did experiment 1 of Loftus and Palmer last?
1 hour and 30 mins
How did Loftus and Palmer counteract order effects in experiment 1?
Each group saw the films in different orders
What were the results of Loftus and Palmer’s experiment 1?
- Smashed- 40.8 mph estimated
- Collided- 39.3 mph estimated
- Bumped- 38.1 mph estimated
- Hit- 34 mph estimated
- Contacted- 31.8 mph estimated
What conclusions were drawn from experiment 1 of Loftus and Palmer?
- Humans are not accurate in judging car speed
- Participants use verb to give them an idea of speed when they are unsure
- Verb alters a participant’s memory of the crash
How many videos did participants of Loftus and Palmers experiment 1 watch?
- 7 videos
- Between 5-30 seconds long
What was the aim of Loftus and Palmer’s experiment 2?
To examine of the wording of a question would influence memory recall
What was the sample used in Loftus and Palmer experiment 2?
- 150 students
- Different from experiment 1
How long did the film and the accident last in Loftus and Palmer’s experiment 2?
- Fillm was less than 1 minute
- Accident lasted 4 seconds
Which verbs what used in experiment 2 of Loftus and Palmer?
- Hit
- Smashed
How long after being shown the film did participants in experiment 2 of Loftus and Palmer’s study return?
One week
What was the critical question asked to participants in experiment 2 of Loftus and Palmer?
“Did you see any broken glass?”
Was there any broken glass in the video shown to participants in experiment 2 of Loftus and Palmer?
No
What were the results of experiment 2 of Loftus and Palmer?
- Smashed- 10.46 mph estimate- 16 saw glass, 34 didn’t
- Hit- 8 mph estimate- 7 saw glass, 43 didn’t
- Control with no verb- 6 saw glass, 44 didn’t