Gavin has brown hair and green eyes. These traits are part of his ______.
a. genotype
b. karyotype
c. phenotype
d. archetype
Ans: C
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In recent formulations of attachment theory, researchers have suggested that there is/are ____ dimensions to attachment, and thus ____ different attachment styles
a. just one; just two b. two; four c. three; nine d. four; sixteen
Reciprocal altruism is best described as helping someone who ____
a. has helped you in the past b. you expect will help you in the future c. makes a promise to help you with a specific task in return d. has an advantageous position with which to return the favor
As a response to stress, hormones in the hypothalamus are released into the bloodstream and go to the ______.
a. pituitary gland b. adrenal medulla c. amygdala d. hippocampus
Kenny and Stanley have a big English exam coming up soon. To encourage him to study, Kenny's mom promises him he can watch ten minutes of cartoons for every hour he spends studying. Stanley's mom tells him that he can spend ten minutes reading Crime and Punishment for every hour he studies. Both boys study for more than ten hours and get As on the exam. Which of the following theories best explains the fact that both students spent a great deal of time studying in spite of the fact that they were rewarded so differently?
A. Incentive theory B. Opponent-process theory C. Drive reduction theory D. Arousal theory