Loftus and Palmer- Findings/ Methodology

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In exp 1 what did the mean estimates of the mph depend on?
Which 5 words were in their critical question.
1 of 18
For SMASHED what was the mean estimate of speed?
40.8
2 of 18
For COLLIDED what was the mean estimate of speed?
39.3
3 of 18
For BUMPED what was the mean estimate of speed?
38.1
4 of 18
For HIT what was the mean estimate of speed?
34.0
5 of 18
For CONTACTED what was the mean estimate of speed?
31.8
6 of 18
4/7
Number of videos that were staged crashes.
7 of 18
What were the films originally used for in exp 1?
To show people what harm they could have when they traveling at different speeds.
8 of 18
10.5mph
Mean estimated speed for smashed in exp 2.
9 of 18
8mph
Mean estimated speed for hit in exp 2.
10 of 18
16/50
Number of pps that said they had seen broken glass for the verb SMASHED.
11 of 18
7/50
Number of pps that said they had seen broken glass for the verb HIT.
12 of 18
6/50
Number of pps that said they had seen broken glass for the CONTROL GROUP.
13 of 18
Reliability
:-) Standardised procedures- (lab ex) same video, same questions, same questionnaire, same time.
14 of 18
External Validity
:-( Lacks mundane realism as would not be asked to judge speed of cars on a video clip in real life. Would not be asked a week later if you saw any broken glass. 4/7 crashes in the videos in exp 1 were staged.
15 of 18
Sampling
:-) 40 (exp 1) 150 (exp 2) :-( All students (don't drive?)-same age, opportunist sample (bias)- similar people not a range.
16 of 18
Data
:-) Quantitative- Smashed=40.8, Contacted=31.8, Smashed=16/50, Control=6/50 :-( Qualitative- none
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Ethics
:-) Films of accidents only lasted a few seconds :-( Car crashes could cause psychological harm or bring back bad memories.
18 of 18

Other cards in this set

Card 2

Front

For SMASHED what was the mean estimate of speed?

Back

40.8

Card 3

Front

For COLLIDED what was the mean estimate of speed?

Back

Preview of the front of card 3

Card 4

Front

For BUMPED what was the mean estimate of speed?

Back

Preview of the front of card 4

Card 5

Front

For HIT what was the mean estimate of speed?

Back

Preview of the front of card 5
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