How Are Cohort Studies Different from Experimental Studies

question 8

Multiple Choice

How are cohort studies different from experimental studies?

• A) Cohort studies use smaller samples.
• B) Cohort studies measure long-term outcomes.
• C) Cohort studies do not employ random assignment to groups.
• D) Cohort studies involve indirect comparison rather than direct comparison.

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Definitions:

Perceptual Set

A readiness to perceive a stimulus in a particular way, influenced by expectations, emotions, and cultural background.

Infectious Disease

Diseases caused by pathogenic microorganisms, such as bacteria, viruses, parasites, or fungi; these diseases can be spread, directly or indirectly, from one person to another.

Aches And Pains

General and nonspecific discomforts or soreness often associated with overexertion, stress, or minor health issues.

Difference Threshold

The minimum difference between two stimuli required for detection 50 percent of the time. We experience the difference threshold as a just noticeable difference (or jnd).