Which is an accurate statement regarding the generation of an action potential?
a. If a neuron becomes hyperpolarized to the threshold level, an action potential is inevitable.
b. Small hyperpolarizations lead to small action potentials and large hyperpolarizations lead to large action potentials.
c. If a neuron becomes depolarized to the threshold level, an action potential is inevitable.
d. Small depolarizations lead to small action potentials and large depolarizations lead to large action potentials.
ANSWER:
c
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Why do children tend not to understand the value of money until they see all of the wonderful things that it can buy?
a. Because money is a secondary reinforcer, and only primary reinforcers provide gratification. b. Because money is a secondary reinforcer, whose value becomes satisfying or pleasurable through experience . c. Because children have learned that money must be earned, and therefore receiving it does not feel like a reward or reinforcer, but rather like a payment. d. Because children do not have the cognitive skills necessary to make the connection between an abstract concept like money and a concrete concept like a toy or candy.
Answer the following statement(s) true (T) or false (F)
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A. 3 B. 4 C. 5 D. 2
The ______ sampling can masquerade as a rigorous research method with large sample sizes.
A. quota B. availability C. cluster D. simple random