1.4.4 Evaluation Of Loftus And Palmer Study (co) Flashcards
One strength of the methodology was its high level of control, what was the methods of the study?
Lab experiments
What do the experiments involve? (Control -methodology)
The researcher manipulating the IV and measuring its effect of the DV in an artificial environment contrived by the researcher
What are the strengths of controlled research? (Control -methodology)
The researcher has strict control over EVs and CVs
Control allows it to be repeated
If findings are consistent a cause and effect relationship can be established
Another weakness of the methodology is that it isnt high in ecological validity what does this mean?
The situation and subjects responded are not accurate representation of real life
Why does the methodology lack ecological validity?
It is an artificial setting they are shown a video rather than witnessing a real life crash
Why is it a weakness that it is low in ecological validity?
Doesn’t give a true picture of real life
Why is it a strength of the methodology that the sample was large?
More likely to be representative (150)
Why is it a strength of the methodology that an independent measures design was used?
Each participant participates in one condition reducing order effects and demand characteristics
Why is it a weakness of the methodology that an independent measures design was used?
Individual differences may influence findings
What does alternative evidence allow us to do?
Evaluate findings and conclusions of research and consider how reliable they are
what did Loftus and zanni’s a/the research involve?
Showing car accident footage
One group asked “did you see A broken headlight?” Other asked “did you see THE broken headlight?”
In loftus and Zanni’s research what percentage of each group reported seeing a broken headlight?
A group - 7%
The group - 17%
Does loftus and Zanni’s research support or contradict loftus and palmers?
Support
How does loftus and Zanni’s research support loftus and palmers?
It shows a change in a single word can alter memory
What did loftus’ red purse study involve?
A woman having a bright red purse being stolen, then asking observers if they saw the brown purse being stolen
In loftus’ red purse study what percentage of participants correctly remembered the purse was red?
98%
Does loftus’ red purse study support or contradict loftus and palmers? Why?
Contradicts
It shows language can not always alter memory
What did yullie and cutshall’s real life EWT research involve?
Questioning of 13 real witnesses to a store robbery in which the store owner was shot and injured and the robber shot and killed
What did yullie and cutshall find?
Despite attempts to change memory through the use of language testimony remained accurate and consistent
Does yullie and cutshall’s research support or contradict loftus and palmers?
Contradicts because it shows EWT can remain consistent and accurate despite the use of language
Ethics - did loftus and palmers participants give full informed consent?
No loftus and Palmer withheld the aim of the study from the participants
Ethics- why was it necessary for loftus and Palmer to withhold the aim of the study?
Due t the possibility of demand characteristics and social desirability
Ethics - Why might he right to withdraw be compromised in loftus and palmers study?
The participants may have felt pressured to remain in the study as they were students of loftus and palmer
Ethics - was there potential for psychological harm?
Yes
If the participants were previously involved in car accidents footage could bring up traumatic memories
Social - the research has led to the development of the cognitive interview what does this do?
Gets more accurate EWT
Social - why is more accurate EWT a strength?
Fewer miscarriages of justice
