Pilavin (methods, Sample) Flashcards
Aim of the study
To investigate bystander behaviour in a natural setting. And to investigate the effect of 4 situational variables on helping behaviour.
What type of experiment is this?
Field experiment
How was data collected?
Via an observation (female observers observer the passengers and recorded data)
What is the Experimental design?
Independent measures design
Why was the study an independent measures design?
Different people were exposed to different models on their journey
What were the the independent variables in the experiment?
- Type of victim
- Race of victim
- The model behaviour
- Size of bystander group
Explain the independent variables
- The types of victim (drunk/ill)
- The race of victim (black or white)
- The behaviour of a model (close or distant proximity and helping early or late)
- The size of the group of bystanders (naturally occurring)
What was the dependent variable?
The level of bystander helping
How was the dv operationalised?
- Number of helpers
- Speed of helpers
- Race of helpers
- Gender of helpers
- Movement out of critical area
- Comments made by passengers
What was the sampling method?
Opportunity sample (not deliberately selected for participation)
Describe the sample
People using the New York Subway between Harlem and the Bronx on weekdays 11am-3pm
Where did the experiment take place?
New York Subway between Harlem and the Bronx
When did the experiment take place?
11am -3pm
How much ppts were in the sample?
4,450
Demographics of the sample
55% white
45% black
