The dominant male rat of a colony
A) is the alpha male.
B) usually moves sideways toward a male intruder.
C) usually directs lateral attacks at male intruders.
D) usually directs bites at the back of a male intruder.
E) all of the above
Answer: E
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The personality traits of individuals with narcissistic personality disorder include _______.
a. agreeable, self-confident, and organized b. vulnerable, arrogant, and impulsive c. closed to new experiences, introverted, and perfectionistic d. none of the above
The theory of color vision which proposes the human eye has three types of receptors that are sensitive to different ranges of light wavelengths is known as the:
a. opponent-process theory b. trichromatic theory c. geon theory d. Gestalt theory
Kathy takes her 2-year-old son to the supermarket every Saturday. Each week, the same sequence of events unfolds: Her son screams, demanding that Kathy buys him treats. Although she refuses to give in to his demands, he continues to scream
Finally, Kathy yells at the top of her lungs, "QUIET!" He stops screaming instantly. What operant conditioning concepts are illustrated in this story? A) Kathy is using negative reinforcement to increase her son's screaming. B) Kathy is using punishment to suppress the screaming; her use of punishment is negatively reinforced by the cessation of screaming. C) Kathy's son probably learned how to scream by observing his parents at home, and now he is reinforced on a variable-interval schedule of reinforcement. D) Kathy's son probably learned how to scream by observing his parents at home, and now he is reinforced on a fixed-ratio schedule of reinforcement.
If p(A and B) = 0, then A and B must be _________
a. independent c. exhaustive b. mutually exclusive d. unbiased