Data Analysis: Measures of central tendency, measures of spread, mean, median, mode, range, bar charts, histograms, scatter graphs, standard deviation, normal distribution

Procedure: A male victim was staged to collapse on a New York City subway train.

The researchers varied the victim's race (black or white) and the presence of a model helper.

They observed the responses of passengers.

Sample: 4450 passengers.

Sampling Technique: Not specified.

Research Method: Field experiment.

Controls: Not specified.

Ethical Issues: The study involved deception, as passengers were not informed about the true nature of the study.

Results: The study found that the victim's race did not significantly influence helping behavior.

The presence of a model helper significantly increased the likelihood of helping.

The study also found that the longer the victim lay on the floor, the less likely passengers were to help.