Tertiary circular reactions involve
A. manipulating symbols, including words.
B. repeating a behavior at least three times.
C. doing three things at once.
D. varying an action to see what will happen.
Answer: D
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Ellen has trouble controlling her impulses to eat, especially at night. Once she starts, she cannot stop. Often, she will eat an entire pizza or gallon of ice cream before bed. She does not try to compensate for this excess caloric consumption; as such, she is gaining weight. Ellen probably suffers from:
A) binge eating disorder. B) impaired thyroid activity. C) anorexia nervosa. D) bulimia nervosa.
Which factor reduces social loafing?
a. When failure is possible if and only if loafing occurs. b. When people believe their performance will not be evaluated. c. When the task is not important. d. When the group is not valued by its individual members.
The difference in the images seen by the left eye and the right eye is known as
A. retinal slip. B. fixation disparity. C. stereopsis. D. binocular disparity.
For Sullivan, the close friendships that develop in preadolescence are a child's first experience of an intimate relationship based on
A) familial ties. B) an exchange between equals. C) dominance hierarchies. D) age stratification.