A Researcher Hypothesizes People Who Don't Smoke Will Be More

question 24

Multiple Choice

A researcher hypothesizes people who don't smoke will be more in favor of laws banning smoking in public places than either people who smoke cigarettes or people who smoke cigars (the two groups of smokers do not differ in their beliefs) . In conducting a one-way ANOVA with these three groups, how should the alternative hypothesis (H₁) be stated?

• A) H₁: not all μs are equal
• B) H₁: Nonsmoker ≠ Cigarettes ≠ Cigars
• C) H₁: Nonsmoker > Cigarettes = Cigars
• D) H₁: all μs are unequal

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Definitions:

Prefrontal Cortex

The front part of the frontal lobes of the brain, involved in decision making, social behavior, and personality expression.

Amygdala

A region of the brain involved in experiencing emotions, especially those related to survival, such as fear and aggression.

Hypothalamus

A region of the brain below the thalamus, responsible for coordinating both the autonomic nervous system and the activity of the pituitary, controlling body temperature, thirst, hunger, and other homeostatic systems.

Dorsal Anterior Cingulate Cortex

A region of the brain involved in cognitive functions, including decision making, impulse control, emotion, and anticipation of reward, often linked to the regulation of physical and emotional pain.