memory ewt
- Created by: Sami Mohammad
- Created on: 12-12-14 19:04
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- Eyewitness testimony
- Eyewitness testimony is the evidence provided by the participants who witnessed a particular event or crime - relies on recall from memory
- For examples descriptions of criminals such as hair colour,height and crime scenes such as time, date, location.
- can be inaccurate and distorted
- important implications when it comes to police interviews.
- Affected by Misleading information - loftus and palmer 1974, loftus and zanni 1975.
- Loftus and palmer 1974 - the aim is to investigate the effects of leading questions on the accuracy of speed estimates in and perceived consequences of a car crash
- loftus and zanni 1975 - showed participants of a film of a car accident, two groups formed: a control group and a experimental group
- Control group: was asked questions consistent with what they had actually seen.
- An experimental group was asked a question that included misleading information.
- Methodological issues
- Controlled laboratory experiment - artificial settings as participant are aware that they had to pay attention.
- Loftus case study - demand characteristics
- Ethical issues
- informed consent - loftus did not use it!
- Deception
- Protection of participant - no harm and distress.
- Test the demand characteristics of the participants
- Loftus 1980 offered reward to participant with money
- Eyewitness testimony is the evidence provided by the participants who witnessed a particular event or crime - relies on recall from memory
- Eyewitness testimony is the evidence provided by the participants who witnessed a particular event or crime - relies on recall from memory
- For examples descriptions of criminals such as hair colour,height and crime scenes such as time, date, location.
- important implications when it comes to police interviews.
- Loftus 1980 offered reward to participant with money
- Protection of participant - no harm and distress.
- Deception
- informed consent - loftus did not use it!
- Ethical issues
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