Which of the Following Cannot Be an Independent Variable

question 101

Multiple Choice

Which of the following cannot be an independent variable?

• A) drug dosage
• B) use of memory aids
• C) amount of sleep
• D) age

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Definitions:

Severe Depression

A mental health disorder characterized by deeply entrenched feelings of sadness, hopelessness, and a lack of interest in life, significantly impairing daily functioning.

Systematic Desensitization

A behavioral therapy technique used to reduce phobias and anxieties through gradual exposure to the feared object or situation paired with relaxation exercises.

Snake Phobia

An intense, irrational fear of snakes, which can cause significant anxiety and avoidance behaviors.

Lithium

A chemical element used as a medication to treat and prevent episodes of mania in people with bipolar disorder, acting to stabilize mood.