Loftus and Palmer
- Created by: Jenny
- Created on: 24-05-14 16:28
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- Loftus & Palmer '74
- AIM
- to see if the phrasing of a question effects the estimated speed
- EXPERIMENT 1
- Procedure
- 45 students
- 7 films involving traffic accidents shown (5-30 seconds long)
- after every film - questionnaire
- account & questions
- groups of 9 asked how fast were the cars going when they .......
- changed word: smashed, bumped, collided, contacted
- Results
- 4/7 staged (knew mph)
- Procedure
- EXPERIMENT 2
- Procedure
- 150 Ps
- shown a film with multiple car accidents (1 min long - accident = 4 seconds)
- followed by a questionnaire and questions (see E1 not asked about speed)
- came back 1 week later
- asked if they saw "any broken glass" thought the word smashed would lead to yes
- Results
- way q asked can effect answer
- Procedure
- STRENGTHS
- lab - clear controls - replicable
- researchers replicated it and found the same results - reliable
- by using estimates of speed quantitative data was collected - objective
- lab - clear controls - replicable
- WEAKNESSES
- students -not under same emotional strain - not generalisable
- possible demand characteristics
- some may have had experience with driving
- AIM
- smashed 40.8
- collided 39.3
- yes
- smashed
- hit
- 34
- 7
- 43
- 6
- 44
- 29
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