Why do scientists think that the evolution of language and evolution of the brain were intertwined?
A. Because our ancestors moved from syntax language to protolanguage
B. Because the needs for reciprocating and cooperating in primitives were maximal
C. Because the development of fully grammatical language is a big and unusual step
D. Because the ability to understand words develops after the ability to produce words
Answer: C
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Which of Piaget's stages of cognitive development is characteristic of infants?
a. The formal operations stage b. The preoperational stage c. The concrete operations stage d. The sensorimotor stage
Which of the following is true about the life of William Cattell?
a. His parents were very restrictive and did not allow him much spare time. b. His decision to study psychology was rewarded with immediate success. c. He only married once, and his wife shared his dedication to his work. d. His life was characterized by intense dedication to and total absorption in his work.
A follow-up study by Wiersma and colleagues (1998) reported that about ____ percent of individuals diagnosed with schizophrenia had continued impairment with no recovery after the first episode
a. 11 c. 21 b. 16 d. 26
What was the "soldiers' disease" in the Civil War?
a. morphine addiction b. alcoholism c. heroin addiction d. gangrene