cognitive study- loftus and palmer

Question 1

methodology

Answer 1

• 2 experiments conducted in a laboratory
• 1st- 45 participants 5 groups of 9
• 2nd- 150 participants 3 groups of 50
• IV- verb
• DV- estimated speed

Question 2

ethical issues

Answer 2

• deception
• psychological harm

Question 3

social implications

Answer 3

• changed the way that police questioned witnesses
• saved money for the government on false eyewitness testimony
• stopped innocent people from going into jail

Question 4

conclusions

Answer 4

• actual peed had no effect on estimated speed
• response bias factors
• form of question changes their answers and distorts their memory

Question 5

further findings- experiment 1

Answer 5

• highest estimate with ‘smashed’
• single word can change their answer
• leading questions can distort memory

Question 6

further findings- experiment 2

Answer 6

• twice as likely with smashed
• leading questions can distort a persons memory of an event even a week later
• accuracy can be distorted using leading questions

Question 7

positives of the experiment

Answer 7

• laboratory
• control group
• standardized procedure
• eye witness testimony

Question 8

negatives of the experiment

Answer 8

• ethical issues
• lack of ecological validity
• only used students