Twins produced when a cluster of cells splits off of one ovum within 2 weeks after fertilization are called ___________ twins
a. dizygotic c. dominant
b. monozygotic d. recessive
b
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Which of the following statements about anxiety is true?
A. It is never considered realistic or normal. B. Some anxiety is realistic, when it's related to survival. C. It always manifests itself as a disorder. D. It is unusual for a mentally healthy person to experience anxiety.
Sean is studying for his philosophy final exam. He knows that the test will be all essays, and he knows that the professor often asks students to compare two philosophical approaches
As part of his studying, he writes several practice essays in which he compares some philosophical approaches. Sean's study method makes use of the cognitive principle called a. implicit memory. b. the hierarchy technique. c. encoding specificity. d. method of loci.
Who proposed that children's language development was caused by imitation and reinforcement?
a. Noam Chomsky b. John Watson c. Keller Breland d. B.F. Skinner
Forming a positive ethnic identity is especially important for
a. upper-income Caucasians. b. lower-income Caucasians. c. minority youths. d. adult leaders of minority communities.