In Maslow's hierarchy of needs, which is the lowest need?
a. Self-esteem
b. Self-fulfillment
c. Social interaction
d. Physiological needs
d
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When a correlation is not statistically different from zero:
a. a clear relationship exists between the two measures of interest, but the values move in opposite directions b. knowing the value of one measure does not allow you to predict the value of the second measure with an accuracy greater than chance c. high values on one measure will generally be associated with low values on the second measure d. low values on one measure will generally be associated with low values on the second measure
Studies in mice show that there is substantial increase in the exchange of cerebrospinal fluid with intracellular fluid during sleep that may reflect how sleep allows for the cleansing of _____.
A. ,cellular proteins B. ,neural anti-bodies C. digestive enzymes D. cerebral toxins
The coefficient of determination is calculated by
a. finding Pearson's r. b. squaring Pearson's r. c. squaring Pearson's r and multiplying by 100. d. taking the square root of Pearson's r.
Binocular disparity
A) is an important depth-perception cue. B) is usually corrected by surgery. C) is usually corrected by glasses. D) results from neural convergence. E) is mediated by the lateral geniculate.