The ________ is an instrument used to record electrical potentials from muscles during sleep
a. myelogram
b. electroencephalogram
c. physiograph
d. electromyogram
e. retinogram
Answer: d. electromyogram
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Dual representation and ____ are similar cognitive skills
a. horizontal decalage b. mental seriation c. decentration d. centration
School shootings are rare in Japan because of very strict gun control laws. The laws and culture that affect development fall under the:
a. microsystem. b. mesosystem. c. exosystem. d. macrosystem.
Three-year-old Serena refers to a squirrel as a "rabbit," but points correctly to a squirrel when given the word squirrel in a comprehension task. Serena probably has
A) difficulty discriminating between squirrels and rabbits. B) difficulty recognizing squirrels. C) difficulty pronouncing the word squirrel. D) a hearing disability.
Brinkmanship:
a. is dependent on sincere negotiation b. refers to the game of chicken as played at the international level c. is independent of the credibility of threats d. both a and c e. none of the above