What factor has been shown to magnify the benefits of intergroup contact?
a. competition
b. the Internet
c. friendship
d. mixed groups
e. none of the above
Ans: c
Psychology
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When sodium ions flow into a neuron and depolarize it, they create ________
a. an action potential b. breakdown of the cell nucleus c. a relative refractory period d. internal combustion
Psychology
If an incoming message is not strong enough to cause a neuron to fire, it may cause a shift in the electrical charge of just a tiny area of the neuron. This shift, which quickly fades away, is called a(n) ________
a. resting potential b. action potential c. transitional polarization d. graded potential
Psychology