A hypothesis:
a. is a conclusion based on the results of a research study
b. is not necessary if the scientific method is being used
c. normally wouldn't be generated until a study has been completed
d. is a prediction about the characteristics of a behavior under investigation
D
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Nearly all children start talking about standards at age ____, which is the age at which ____
a. one; they first learn to speak b. two; self-awareness blossoms c. five to six; they begin to form a clear gender identity d. eleven to twelve; puberty usually sets in
The fact that homeostasis regulates hunger has led psychologists to conclude that the ____
a. ?body is more likely to guard against obesity than starvation b. ?body naturally attempts to maintain a set point of weight c. ?weight of most people will fluctuate dramatically across their lifetime d. ?stomach must be the ultimate source of all hunger
A key function of the giant squid axon is the
a. integration of sensory messages regarding the environment. b. planning of feeding-related movements. c. contraction of the squid mantle, which propels the squid away from danger. d. coordination of general sensory-motor function. e. contraction of the oral region to produce chewing movements.
The three phases of energy metabolism are, in sequence,
A) eat, fast, and absorb. B) absorptive, cephalic, and fasting. C) cephalic, absorptive, and fasting. D) fasting, absorptive, and cephalic. E) absorb, fast, and eat.