OCR A-Level Psychology H567
Research Methods and Techniques
Planning and Conducting Research
Data Recording, Analysis and Presentation
Report Writing and Scientific Communication
Practical Activities and the Nature of Science
Mathematical Requirements for Research Methods
Studying and Evaluating the Core Studies: The Common Framework
Core Studies: Social Area
Core Studies: Cognitive Area
Core Studies: Developmental Area
Core Studies: Biological Area
Core Studies: Individual Differences Area
Areas and Perspectives in Psychology
Debates in Psychology
Practical Applications of Psychology
Issues in Mental Health
Child PsychologyApplied option
Criminal PsychologyApplied option
Environmental PsychologyApplied option
Sport and Exercise PsychologyApplied option
Methodological Issues and Debates Running Through Applied Psychology
Core Studies: Cognitive Area
Loftus and Palmer (1974) eyewitness testimony: the second experiment, conclusions and evaluation
- 3 things to know
- Component 02
Overview
Recall questions on Loftus and Palmer's second experiment, including its sample, groups, the broken glass question and results, the conclusion about how memory of an event is formed, police questioning, and the study's control, sample, ecological validity, ethics and demand characteristics.
What you need to know
Answer each one before you reveal it.
What film was used in the second experiment?
How did the three groups in the second experiment differ?
Questions from this subtopic
Each one with the model answer underneath.
- 1
Why was a second experiment necessary?
Model answer
The first experiment could not separate response bias from a real change in memory, so a second study was needed to look for a lasting distortion.
- 2
Who took part in the second experiment, and how were they allocated?
Model answer
One hundred and fifty students were divided into three independent groups of fifty.
- 3
What film was used in the second experiment?
Model answer
A film lasting about a minute showing a multiple-car accident, in which the crash itself lasted about four seconds.
- 4
How did the three groups in the second experiment differ?
Model answer
One group's critical question used the verb smashed, one used the verb hit, and a control group was asked nothing at all about speed.
- 5
What happened when participants returned a week later?
Model answer
They answered further questions about the accident, including the critical question of whether they had seen any broken glass.
- 6
Why was the broken glass question the critical one?
Model answer
There was no broken glass in the film, so any participant answering yes must have had a memory that had been distorted.
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