Double-blind studies control for __________
a) only the placebo effect.
b) only the experimenter effect.
c) both the placebo effect and the experimenter effect.
d) extrinsic motivation
c
Psychology
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Any consequence that, if applied after a response, increases the probably of that response is __________
a) negative reinforcement. b) punishment. c) positive reinforcement. d) a neutral stimulus.
Psychology
As William is laying his infant down in the crib at bedtime, he gently removes his hand from the back of the baby's head and neck. The baby thrusts its arms outward appearing to grasp onto something. This is known as the __________ reflex
a) Moro b) Babinski c) startle d) swimming
Psychology