What Is a Major Problem Posed by Cross-Sectional Data

question 1

Multiple Choice

What is a major problem posed by cross-sectional data?

• A)age effect
• B)cohort effect
• C)both a & b
• D)a only

---

Definitions:

Disease

A disease is a condition that impairs normal body function, often characterized by specific signs and symptoms, and can be caused by external factors or internal dysfunctions.

Microscope

An optical instrument used for viewing very small objects, such as mineral sections or cells, typically magnified several hundred times.

Suffix

A morpheme added at the end of a word to form a derivative or change its meaning.

Adhesion

The process by which two surfaces are held together by physical or chemical means; also refers to the abnormal sticking together of tissues in the body.