Every deliberate, conscious action you make, such as pedaling a bike, walking, scratching, or smelling a flower, involves neurons in the ________ nervous system
a) sympathetic
b) somatic
c) parasympathetic
d) autonomic
ANS: B, The somatic nervous system controls voluntary muscle movement.
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As a testament to the biological basis for some unhealthy behaviors, research has found evidence for a gene related to alcoholism. It is known as:
a. serotinergic T1 c. leptin b. dopamine D2 d. Trisomony 21
Is it possible to have an interaction when there are no main effects in a factorial design?
a. Yes b. No c. Can't tell d. Only if the factorial design does not contain a quasi-experimental variable.
An advertiser is interested in the effects of color and size of containers on people's tendency to buy a certain brand of cereal. He prepares containers consisting of all combinations of color with size and asks each of a group of subjects which of the containers they would be most and least likely to buy. What type of design does this study represent?
a. one-variable within-subjects b. between-subjects factorial c. within-subjects factorial d. mixed factorial
Children begin using function morphemes at around age:
A) 2. B) 3. C) 4. D) 5.