Suppose you want to find out if using cell phones while driving a car affects the likelihood of having an accident. The number of hours that each participant slept the night before the driving test would be a(n) __________variable
a. independent
b. control
c. extraneous
d. dependent
C
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_______________ is characterized by profound impairment of social functioning apparent by the age of three
a. Disorganized schizophrenia b. Expressive emotion disorder c. Autistim spectrum disorder d. Learning disorder
Most of the cancer-causing substances in smoke are in __________
a. carbon monoxide b. tar c. nicotine d. carbon dioxide
Pavlov’s dogs learned that the sound of a researcher’s footsteps meant that the dogs would soon be given meat powder. What used to be a neutral stimulus (the sound of researchers footsteps) then caused the dogs to salivate. Salivating at the sound of a person’s footsteps is an example of _____.
a. unconditioned stimulus (US) b. unconditioned response (UR) c. conditioned stimulus (CS) d. conditioned response (CR)
Arrests are more likely to occur among adolescents who are
ages 12 to 14 rather than 15 to 17. females rather than males. European Americans rather than Asian Americans. good students.