The key to different mating and parenting patterns in voles (large rodents) is
A. different levels of vasopressin and oxytocin.
B. different levels of progesterone.
C. differences in the mountain and prairie niches.
D. differences in patterns of predation.
Answer: A
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Which phase of attachment is characterized by preference for familiar faces?
a. absolute-attachment phase c. attachment-in-the-making phase b. initial-preattachment phase d. clear-cut-attachment phase
Ariane is learning how to pitch in softball. Her coach sets up a drill in which she must hit the target with 8 out of 10 of her pitches before moving on to the next drill. Ariane's reinforcement schedule should be classified as:
A. continuous. B. fixed ratio. C. variable ratio. D. partial.
Which brain imaging technique provides a three-dimensional image of the anatomical structures of the brain?
a) computer tomography b) magnetic resonance imaging c) positron emission tomography d) brain electrical activity mapping
Prejudice can be reduced through intergroup contact if:
a. the members of the groups are of equal status b. the members of the minority group are of higher status than the members of the majority group c. the contact is rewarding d. the group shares a cooperative and mutually dependent goal e. all of the above