Loftus&Palmer

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  • Created by: jessie
  • Created on: 02-02-14 15:13
what was the aim of this study?
to investigate how information supplied after an event influences a witnesses memory for that event
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what type of experiment was this study?
the study consists of two laboratory experiments
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what types of research methods are used?
independent measures design
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what is the independent variable of this experiment?
the verbs used in both experiments
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what is the dependent variable of the first experiment?
the participants speed estimate
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what is the dependent variable of the second experiment?
whether the participants believed they saw glass
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what was the sample of the experiment?
45 students from the University of Washington
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how where they selected?
through opportunity sampling
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what was the method of the experiment?
they were each shown seven film clips of traffic accidents, the clips ranged from 5 to 30 seconds long,
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what were the participants made to do?
write an account of the accident, answer some specific questions, the critical question being about the speed of the vehicles in the collision
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how many conditions were there in the experiment?
there were 5 conditions, how fast were the cars going when they smashed, collided, bumped, hit or contacted each other
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what reasons did Loftus&Palmer give for the results?
they could be due to a distortion in the memory of the participant
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what else did they conclude?
the results could be due to response bias factors
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what was the procedure of the experiment?
150 students viewed a short film of a car accident and then they were questioned on it
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what were the conditions of the experiment?
was glass seen when the cars hit or smashed, the last group was not asked about glass
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what conclusions were made from this experiment
two kinds of information go into a person's memory of an event, before and after
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what were the strengths of the method used?
experiments allow for precise control of variables
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what was a limitation of the method?
was not typical of real life solutions ( ecologically valid)
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what type of experiment was this study?

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the study consists of two laboratory experiments

Card 3

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what types of research methods are used?

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Card 4

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what is the independent variable of this experiment?

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Card 5

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what is the dependent variable of the first experiment?

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