Piliavin Evaluation
- Created by: Former Member
- Created on: 05-02-18 11:28
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- Piliavin Evaluation
- Reliabilty
- Replicable?
- Standard instructions and procedures
- Data Interpretation
- Objective data
- No inter-rater reliability as the observers were measuring different things.
- Controls
- Same train - allows time for the experiment to be carried out (7.5 minutes)
- Same time of day - avoids regular commuters who may see the experiment more than once.
- Victims all male, age, dressed same and stood in the same place doing the same thing.
- Replicable?
- Validity
- Population
- Ethnocentric - only Americans
- Ecological
- Natural setting and they didn't know it was n experiment
- Internal
- Everything was controlled (IV affected the DV)
- Construct
- Measuring people helping in a public place
- Population
- Sample
- Easy to obtain (Opportunity)
- Both male + female sample
- Participants may have similar characteristics (same area, getting a train - not car, same time of day)
- Data
- Quantiative
- Objective
- Can show trends and test for significance
- Lacks detail of why something happened
- Qualitative
- Gives us a reason for why things happen
- Harder to interpret as its subjective
- Quantiative
- Ethics
- Informed consent
- No consent was taken
- Deception
- They weren't told it was a study
- Confdentiality
- Their names were not taken or released
- Debreif
- They weren't debreif
- Protection
- They may have been mentally harmed
- Observation
- It was a public place so they could observe
- Withdrawal
- They didn't know it was an experiment they could withdraw from.
- Informed consent
- Reliabilty
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