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100

103

How many trials were conducted?

100

New York subway

Where was the study conducted?

100

Approx. 4,450

How many people were observed?

100

Drunk and cane

What two types of victim were used?

100

Field experiment

What type of experiment was used?

200

How people respond when witnessing someone needing help

What is bystander behaviour?

200

Responsibility to help is spread among bystanders.

What is diffusion of responsibility?

200

Someone who appears to be a participant but works with the researcher.

What is a confederate?

200

Numerical data.

What is quantitative data?

200

How well findings reflect behaviour in real-life settings.

What is ecological validity?

300

He was seen as less responsible for his situation.

Why was the cane victim helped more than the drunk victim?

300

They may have perceived a lower cost of helping.

Why might men have been more likely to help?

300

To observe behaviour in a realistic situation.

Why did Piliavin use a field experiment?

300

Helping is more likely when perceived rewards outweigh costs.

How does the cost-reward model explain helping?

300

Helping may be perceived as riskier, and the victim is perceived as responsible for their condition.

Why might a drunk victim receive less help?

400

A person collapses on an empty street. Why might help be more likely?

 Less diffusion of responsibility.

400

A passenger sees an apparently injured person who poses no danger. Predict their response.

Helping is more likely because the cost of helping is low.

400

A crowd watches someone needing help, but nobody acts. Explain this behaviour.

Diffusion of responsibility

400

Someone appears responsible for causing their own emergency. Predict helping behaviour.

Helping may be less likely.

400

A passenger immediately helps someone who appears seriously ill. Use the cost-reward model to explain this.

The perceived benefits/rewards of helping outweigh the costs.

500

High because the behaviour occurred naturally on a real subway.

Evaluate the ecological validity of the study.

500

The mainly New York passenger sample may not represent other populations/cultures.

Give one generalisability weakness.

500

Passengers did not consent to being studied

Evaluate one ethical issue with the study.

500

Natural behaviour increases ecological validity.

Give one strength of using a field experiment.

500

Less control over extraneous variables makes cause-and-effect harder to establish.

Give one weakness of using a field experiment.