A Professor of Economics Intends to Compare the Performances of First

question 12

Multiple Choice

A professor of economics intends to compare the performances of first year students at the four campuses of the university. In order to do so, she selects a random sample of 40 students from each campus. What is this type of sampling called?

• A) Stratified random sampling.
• B) Simple random sampling.
• C) Cluster sampling.
• D) None of these choices are correct.

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Definitions:

Drug Therapies

The treatment of disease and prevention of symptoms using medications.

Depression

A psychological disorder featuring a constant state of depression or a diminished interest in activities, leading to substantial difficulties in daily operations.

Suicide Risk

The likelihood that an individual will attempt to take their own life, often assessed in clinical settings to prevent self-harm.

Electroconvulsive Therapy

A medical treatment involving small electric currents passed through the brain, intentionally triggering a brief seizure to treat certain mental disorders.