Which statement about marijuana is false.
A) Though not physically addictive marijuana can be psychologically addictive.
B) Studies suggest that marijuana use is more damaging to the lungs than cigarette use.
C) Marijuana use disrupts memory formation.
D) The active ingredient in marijuana is amphetamine.
Answer: D) The active ingredient in marijuana is amphetamine.
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One important limitation of the experimental design is that
when research participants know what condition they have been assigned to, this knowledge, rather than the independent variable, may be the cause of the differences observed in the dependent variable. This is known as the _____ effect. Fill in the blank with correct word
An operant conditioning technique in which a learner gains control over some physiological process is called ________
a. preparedness b. contingency training c. biofeedback d. social learning