Regardless of the degrees of freedom, any Pearson r of .90 or higher must
be
a. significant
b. non-significant
c. more than significant
d. none of these, since without the degrees of freedom significance cannot be
determined
d
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During a neuron's resting state, channels for potassium and sodium ions are ______.
A. closed B. open C. selectively open D. not gated
Do doctors and nurses perceive injuries differently, since they use a special kind of medical jargon to describe such injuries? The theory of linguistic relativity would predict:
A. that thinking and perception are only different if one's culture supports the language B. no, since thinking and perception occur independently of language C. that their thinking about and perception of injuries is different D. that doctors' and nurses' original native language does not differentiate between different kinds of injuries
Which of the following is true of action potentials in axons?
A. Only one action potential is generated to produce a depolarization along an entire axon. B. Only two action potentials are generated to produce depolarization along an entire axon. C. Many action potentials are generated next to each other along the length of an axon. D. Action potentials are generated at the beginning, middle, and end of an axon only.
One theory for explaining the etiology of obesity suggests that humans inherited genes that helped our ancestors survive famine by storing fat. Unfortunately, that gene may be dysfunctional in an environment where high-fat foods are plentiful. This theory is called the ____
a. thrifty genotype hypothesis b. fat gene theory c. fat storage hypothesis d. evolutionary hypothesis