The number of households consisting of one unmarried man and one unmarried female has grown by how much since 1960?
A. 10 times
B. 15 times
C. 20 times
D. 25 times
Answer: A
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During the embryonic stage of prenatal development, which term refers to the layer of cells that will form skin, hair, teeth, sense organs, the brain, and the spinal cord?
A. ectoderm B. placenta C. endoderm D. mesoderm
In which situation would you calculate a correlation coefficient?
A. when studying the effects of 3 types of music on study habits B. when studying the association between computer gaming and caffeine usage C. when studying the types of cries that infants make D. when studying the effects of practice on memorization
Tony is mentally rehearsing how he will ask his boss for a raise. Tony is using mental images to
a. change his feelings. b. make a decision. c. prepare for some action. d. aid memory.
Everyone that meets Vernon is struck by his extremely odd behaviors, such as wearing his special cap that keeps "evil spirits" away and his sculptures made of hub caps that will help to attract UFOs. Although the doctor does not consider him to be actively psychotic (at this time),Vernon's thought patterns are disturbed to the point he is unable to hold down a job. Vernon would be diagnosed as
having which personality disorder? a. schizotypal b. borderline c. histrionic d. antisocial