A researcher studying sleep deprivation finds that as the amount of sleep decreases, there is a proportional decrease in one's immune system. This illustrates a __________ correlation

a. positive
b. negative
c. zero
d. dependent


A

Psychology

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The primary brain area associated with substance abuse disorders is the

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A text published in 1959 for thanatology was an anthology by psychologist Herman Feifel titled The Meaning of Death

Indicate whether the statement is true or false

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