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
Answer: d
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According to Aristotle, we perceive environmental objects because:
a. tiny copies of them enter the pores of the body b. their movement influences a medium, which in turn stimulates one or more of the five senses c. their eidola go through one or more of the five senses and then to the heart d. their eidola go through one or more of the five senses and then to the brain
If both variables are measured on a nominal scale, what type of correlation coefficient is appropriate?
a. Spearman's rank-order correlation coefficient b. phi coefficient c. point-biserial correlation coefficient d. none, because correlations cannot be computed on nominal data
Allowing students with A averages exemptions from taking a final exam is an example of _____ reinforcement
Fill in the blank with correct word
A fourth grade teacher realized that one of his students was misbehaving in order to receive attention. The teacher decided to ignore all instances of the misbehavior. The teacher is using ______
a. the Premack principle c. negative reinforcement b. extinction d. avoidance training