Suppose you want to find out if using cell phones while driving a car affects the likelihood of having an accident. Cell phone use would be the variable
a. independent
b. control
c. extraneous
d. dependent
ANSWER: a
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Based on the intelligence quotient formula developed by Lewis Terman, an individual with a chronological age greater than his or her mental age would:
a. have an IQ greater than 100 b. have an IQ equal to 100 c. excel in most school subjects d. have an IQ less than 100
When speaking, young children tend to leave out words like ______.
A. a and the B. I and you C. mommy and daddy D. red and black
Which of the following is true about cones?
a) They are responsible for black and white vision. b) They are found mainly in the center of the eye. c) They operate mainly at night. d) They respond only to black and white.
A dysfunction in which of the following neurotransmitters has been observed in both anorexics and bulimics?
a. dopamine b. epinephrine c. GABA d. serotonin