Consider an Observational Study in Which a Sample of Individuals

question 27

Short Answer

Consider an observational study in which a sample of individuals with a certain condition are compared to a second reference group that do not have the condition. Proportions of individuals with risk factor in each group can then be compared.
(a) This type of study is called a(n) _______ - _______ study.
(b) With this type of data we can do a(n) _______ - _______ analysis, but not a(n) _______ - _______ .

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Definitions:

Allergy

An immune system reaction to a foreign substance (allergens) that is not typically harmful to the body.

Slight Fever

A minor elevation in body temperature, often indicating the presence of an infection or illness.

Muscle Aches

Discomfort or pain within the muscle tissue, often resulting from overexertion, tension, or a physical condition.

Common Cold

A viral infectious disease of the upper respiratory tract characterized by symptoms such as sneezing, sore throat, and runny nose.