Sample
General Info
Procedure
Results
Strengths/Weaknesses
100

What sample method does this case use?

 Unsolicited Sample

100

Main aim of the case

To investigate bystander behavior in a natural setting.

100

How many teams of students were doing this study?

 4 teams of students

100

Which condition of the victim recieved more spontaneous help?

Ill condition

100

Name one ethical issue with this case study

Might suffer from guilt or concerns, Fake medical emergency, No debriefing.

200

Number of participants

 4,450

200

DV(s)

 Time for passengers to help, number of passengers who offered help, verbal remarks.

200

How many males and females were in each trial?

2 males and 2 females

200

What percentage of the victims recieved spontaneus help?

 80%

200

What makes this case have high generalizability?

Large sample, different ages, sexs, and races.

300

Race distribution of sample

55% White 45% Black

300

IV(s)

Type and Race of the victim. (ill or drunk) (white or black)

300

What were the female researcher's roles?

 Observers, they recorded comments the passengers made.

300

What was the correlation between the help recieved and the race of the victim?

 Both black and white recieved equal help, but passengers are more likely to help a victim of their same race.

300

What makes this case applicable to everyday life?

Participants thought it was real, and acted in a natural setting.

400

Mean number of passengers per carriage

 43

400

Research method/ Design

Feild Experiment, Independent group design

400

What were the males roles in the study?

 One male played the drunk or ill victim, while the other played a model passenger.

400

How many drunk and ill trials were there?

Ill: 65 

Drunk: 38

400
Name one trait of this study that makes it less valid

We cannot control extraneous variables that influence behavior.

500

Average number of participants in the critical area

 8.5

500

Where did the train pick up the passengers and what was their desination?

From Harlem to Bronx or other way around

500

After the fall, how many seconds did the model wait before intervening?

 70 or 150

500

In how many of the trials did passengers move away from the critical area?

 21 of 103 trials

500
Name a trait that makes this case more unreliable

Participants may have gone on the train more than once, meaning they might've known it was a setup.

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