In the formula for an independent-groups t test, the denominator in the equation represents:
a. the standard error of the mean.
b. the estimated standard error of the mean.
c. the standard deviation.
d. the standard error of the difference between means.
d
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Lee has inherited a physiological trait that makes her more prone to anxiety. When she was 11, she was stung by a wasp while playing outside. If Lee were to develop a phobia of wasps, the model that would probably best explain the cause of her phobia is the ________ model
a. diathesis-stress b. biological c. gene-environment correlation model d. interpersonal
Erik knows that the Saint Bernard is a large dog instead of a little pony. This is an example of what Piaget called ________
a. accommodation b. assimilation c. conservation d. egocentric thinking
Convergent thinking is characterized by higher levels of activity in _____
a) the left frontal cortex. b) the right frontal cortex. c) both hemispheres. d) the parietal lobes.
Zara has a career-oriented mother. Compared to other girls, Zara is more likely to
A) view her mother as distant and unavailable. B) have higher educational aspirations. C) have lower educational aspirations. D) have lower self-esteem and achieve poorly in school.