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In a 4 × 3 factorial ANOVA design,how many possible group assignments for subjects are there?
Psychological Addiction
A form of addiction characterized by a perceived need to use a substance or engage in an activity to achieve a sense of satisfaction or to avoid discomfort, without the physiological dependence associated with substance abuse.
Caffeine
A stimulant compound found in coffee, tea, and various beverages and products, known for its effects on increasing alertness and decreasing fatigue.
Stimulant
A substance that raises levels of physiological or nervous activity in the body.
Narcotic
A class of drugs that produce analgesic (pain-relieving) effects, often leading to drowsiness, and can cause dependence.
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