If We Are Conducting a Study and Seeking to Determine

question 23

Multiple Choice

If we are conducting a study and seeking to determine the relationship between two variables, but a third variable complicates the situation and makes it hard to figure out the causal relationship, we term this third variable a(n) _____ variable.

• A) Confounding
• B) Interfering
• C) Non-linear
• D) Random

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Definitions:

Neurotransmitter GABA

Gamma-aminobutyric acid, a key neurotransmitter in the brain that inhibits nerve transmission, calming nervous activity.

Norepinephrine

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

Physiological Changes

Alterations in the body’s normal biological functions, which can occur in response to various stimuli.

Acetylcholine

A neurotransmitter involved in many functions, including muscle movement, heart rate, memory, and learning.