Female birds are often drab in coloration compared to their male counterparts, which allows them to more successfully avoid detection when they incubate their eggs. __________ might produce a group of female birds born with brighter colors.
A. A mutation
B. Natural selection
C. Genetic predisposition
D. Genetic alteration
Answer: A
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All of the following reduced the level of obedience in the Milgram experiment except
a. lowering the prestige of the institution where the experiment was conducted. b. having the experimenter in a different location. c. informing the participants that the experimenter assumed responsibility for the learner's welfare. d. having the learner be in the same room as the participant.
When a child first understands the difference between "give" and "take," he or she has made a gain in his or her understanding of:
a. phonology b. semantics c. morphology d. syntax
It is during Piaget's _____ stage of cognitive development that Freud postulated the _____ stage of psychosexual development.
A) sensory motor; genital B) sensory motor; phallic C) preoperational; phallic D) concrete operational; genital
According to the chapter Tokens Against Aggressionabout the use of a token economy in a psychiatric
hospital, the average distance that scores are away from the mean of all the scores is known as: (a) an operant (b) a ratio variable (c) a distribution (d) a standard deviation