Imposing a high degree of control in an experiment comes at the sacrifice of ______.
A. internal validity
B. generalizability
C. ecological validity
D. statistical significance
Ans: C
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Before the end of the first month of embryonic development, the neural tube is producing about 400 million neurons per
a. second. b. minute. c. day. d. week.
Catherine Snow and associates' study of Dutch-speaking children who watched a great deal of German television demonstrated that
a. it is easy to acquire a second language via television. b. to learn a language, children must be actively involved with the language. c. German is significantly easier to learn than Dutch. d. bilingualism is inherited.
According to set point theory, the set point is initially set by _______________, but can be modified by ______________
A) genetic factors; environmental factors B) environmental factors; genetic factors C) exercise; caloric intake D) caloric intake exercise.
REM behavior disorder results from _________________
a) too much sleep b) not enough sleep c) failure of the brain mechanisms to block brain signals to the muscles d) deterioration of the medial hypothalamus