A car crash woke John from his afternoon nap. When he looked out his apartment window, he saw several people milling around two smashed cars. He decided not to dial 911 because he assumed someone had already called. John's reaction is an example of
a. the bystander effect.
b. social loafing.
c. obedience to authority.
d. conformity to social norms.
a. the bystander effect.
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Describe what is measured by the mean and what is measured by the standard deviation for a set of scores. Describe the set of scores in a sample with a mean of M = 40 and a standard deviation of SD = 4 . (Where are most of the scores located? Where are they centered? What range of values do they cover?)
What will be an ideal response?
People with narcolepsy tend to fall directly into Stage 4 NREM sleep
Indicate whether the statement is true or false
A school counselor leads a support group for children whose parents have cancer. During the sessions, the counselor defines cancer, discusses treatments and side effects, and explains how the children can develop coping mechanisms. Which of the following does this situation illustrate?
A. Biomedical therapy B. Play therapy C. Psycho-educational treatment D. Rational-emotive therapy (RET)
When an action potential reaches the end of the axon terminal:
a. the action potential "hops" directly across the synaptic cleft. b. it electrically activates the receptor sites. c. it causes synaptic vesicles to release neurotransmitters. d. it reverses direction.