The process of focusing on near or distant objects involves:
a. Changing the shape of the cornea
b. Changing the shape of the lens
c. Changing the shape of the retina
d. Muscles behind the eyeball moving the eye forward or backward
B
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The mean of a column of difference scores is equal to
a. the ratio of the means of the individual columns. b. the difference between the means of the individual columns. c. the sample size. d. We can't tell without calculating it for a set of data.
In the presence of dying persons, it is important to
a. remind them how ill they are b. offer stimulating activities for distraction c. reassure them that everything will be all right d. listen and respond to their needs and concerns e. tell family members that they must be present at all times
According to the biological processes perspective, nervous-system functioning is important in determining personality, but hormonal functioning is not because hormone levels fluctuate so rapidly
Indicate whether the statement is true or false
Abused children show a low incidence of personal and social problems
Indicate whether the statement is true or false