The bystander effect is ________
A) an exclusive concern with one's own personal needs and welfare
B) the relatively equal sharing of responsibility to help by all of the bystanders present during an emergency
C) a helpful action that benefits other people without necessarily providing direct benefit to the bystanders
D) the observation that the probability of a prosocial response to an emergency is influenced by the number of bystanders present
E) cooperative behavior among unrelated individuals that provides benefit to both individuals
Answer: D
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In a psychology class of 100 students, test scores are normally distributed with a mean of 80 and a standard deviation of 5 . Approximately what percentage of students have scores between 65 and 95?
a. 68% b. 80% c. 95% d. 99%
Experiments, such as that conducted by Shetz (1974), have indicated that multiple variables (e.g., habits, beliefs, social environment, etc.) are more highly correlated with intention to buy a particular product than with actual frequency of doing so. This finding indicates that:
a. intention and behaviour are unrelated b. behaviour cannot be predicted from such variables as habits, beliefs, social environments, etc. c. behaviour is more predictable than intention d. intention is more predictable than behaviour e. attitudes cannot predict either behaviour or intention
The ability to experience similar emotions to a person in trouble or distress is known as:
A) sympathy. B) social conventional thought. C) attachment. D) empathy.
Evidence supporting the genetic programming theories of aging comes from research showing that when human cells are permitted to divide in the laboratory, they can do so successfully only around __________ times
a) 10 b) 20 c) 50 d) 75