What determines whether a neuron has an action potential?
A. Only the number of EPSPs impinging on an axon
B. Only the number of IPSPs impinging on the dendrites
C. The combined effects of EPSPs and IPSPs
D. Summation effects of IPSPs
Answer: C
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Tammy finds writing papers to be a very aversive task. As a result, she always checks out the requirements for all her classes before she registers and never takes classes that require term papers. Tammy's behavior is an example of
a. escape learning. b. avoidance learning. c. an unconditioned response. d. positive reinforcement.
When a dying person is telling you his or her thoughts and feelings, your best response is
a. to say, "I know how you are feeling" b. to share with the person your personal and family experiences c. to divert the person's attention by changing the subject d. to ask if the person would like to have someone visit from his or her church e. to offer your presence and concern
Using conventional probability values, what would it mean if a survey finding that shows that 75% of American college students own a laptop has a 4% margin of error?
A) We are 95% sure that the actual proportion of American college students that own a laptop is 75%. B) We are 91% sure that the actual proportion of American college students that own a laptop is 75%. C) We are 95% sure that the actual proportion of American college students that own a laptop is 75%, plus or minus 4%. D) We are 75% sure that the actual proportion of American college students that own a laptop is 95%.
Divorce rates for people who cohabit before marriage __________
a) are higher than for couples who do not cohabit. b) are lower than for couples who do not cohabit. c) are approximately the same as for couples who do not cohabit. d) are lower for couples who have children before marriage.