If Dr Robinson Rejects the Null Hypothesis After Observing a Test

question 26

Multiple Choice

If Dr. Robinson rejects the null hypothesis after observing a test statistic which exceeds the critical value at the .05 level, there is_____________________________________________.

• A) a 95% chance that the null hypothesis is actually true
• B) a 5% chance that the null hypothesis is actually true
• C) a 5% chance that the null hypothesis is actually false
• D) no chance that the null hypothesis is actually true

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Definitions:

Neurochemical Basis

Refers to the foundation or underlying cause of behaviors and mental processes as determined by the activity of neurotransmitters and neurochemicals in the brain.

Norepinephrine

A neurotransmitter and hormone involved in the body's fight or flight response, affecting attention, heart rate, and blood pressure.

GABA

A neurotransmitter in the central nervous system that inhibits nerve transmission, leading to calming effects.

Serotonin

A neurotransmitter that contributes to feelings of well-being and happiness, also involved in regulating sleep, appetite, and mood.