Piliavin (1969) - Subway Samaritans
- Created by: natashapv
- Created on: 20-06-21 15:45
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- Piliavin (1969) - Subway Samaritans
- Research Method
- Strengths
- PPs didn't know they were in an experiment - no demand characteristic
- occurs in the real world so has high ecological validity
- Weaknesses
- they didn't give consent and weren't debriefed
- lots of extraneous variables that could effect the independent variable
- Field experiment
- Strengths
- Validity
- Strengths
- occurred in the real world - high ecological validity
- large sample - high population validity
- no demand characteristics - high internal validity
- control variables in place - increases internal validity
- train time was controlled - high internal validity
- weaknesses
- Only conducted in America at a certain time meaning the sample will only include certain people
- Strengths
- Data Type
- Qualitative data pf the comments people made about the incident
- quantative data on: the amount of people who helped, how long it took them, gender, race, area they came from, whether they moved out of the critical area
- Sample
- strengths
- 4450 people
- happened over many days
- 45% black and 55% white making it generalisable
- weaknesses
- could potentially have the same participants
- only used Americans
- misses out school children and those who don't use the subway
- strengths
- Ethics
- strengths
- confidential
- observed in a non intrusive way
- weaknesses
- didn't give consent
- weren't debriefed
- they could've been harmed
- strengths
- Reliability
- Strengths
- large sample
- repeated it lots of times
- had a standardised method
- weaknesses
- only one black victim and three white victims
- more cane trails than drunk trails
- lacks inter-rater reliability as the observers recorded from different places
- Strengths
- Ethnocentrism
- It is because they only used American citizens from one area of New York who used the subway at a certain time of day
- isn't because new york holds a variety of different nationalities within it
- Results
- cane victims received help 95% of times
- drunk victims received help 65% of times
- help was offered quicker for the cane victim
- on 60% of trails, help was given by 2 or more people
- 90% of first helpers were male
- there was a slight tendency for helping the same race especially in the drunk condition
- more comments were made about the drunk condition
- no diffusion of responsibility was found
- Research Method
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