Which biochemical substance can produce or exacerbate anxiety?
a. Serotonin
b. GABA
c. Progesterone
d. Estrogen
C
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A person who is stingy, obstinate, and excessively neat displays the personality traits that Freud called the _______.
a. anal retentive character b. anal expulsive character c. both of the above d. neither of the above
The Opium War of 1839-1842 resulted, among other things, in
A. the Chinese being allowed to continue to ship opium to India. B. American ships being prevented from trading with China for many years. C. the destruction of all poppy fields in Turkey. D. the island of Hong Kong becoming a British possession.
Terry has been using ecstasy for some time now. What is likely to happen to him when he uses it?
a) He will experience good feelings for all around him, but his body will have difficulty regulating temperature. b) Auditory hallucinations will lead him to attack those around him who will believe he is drunk due to his unsteadiness. c) There will be wild swings in his moods, sometimes from minute to minute, so others will shy away in order to protect themselves. d) His appetite will increase and he will consume large amounts of calories, while he is feeling generally depressed and asocial.
Chi-square is used to tell whether _____
a. one variable causes another b. a sample is representative of a population c. a random sample is big enough d. two variables are related or independent