If the correlation between the rating of cookie quality and cookie price is .30, and the critical value from the table of significance of correlation coefficients is .35, we would say that
a. the correlation is not significant.
b. the correlation is significant.
c. the difference is too close to call.
d. we don't have any way to come to a conclusion.
A
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Which of the following is NOT considered an age-related change in the physical apparatus of the eye of an elderly person?
a) the retina of a 60-year-old person receives a third as much light as a 20-year-old person b) the optic nerve becomes less efficient in transmitting nerve impulses to the brain c) the lens of the eye becomes less transparent d) the elderly are less able to distinguish colors
) Lesions to which brain structure in rats disrupt auditory fear conditioning to complex sounds but not simple sounds?
A) auditory cortex B) hypothalamus C) periaqueductal gray D) amygdala E) medial geniculate nucleus