Dichotomizing a Numeric Variable Usually Is Done So That

question 29

Multiple Choice

Dichotomizing a numeric variable usually is done so that

• A)one group is high on the variable,and one group is low on the variable.
• B)one group is extreme on the variable,and one group has scores near the middle range on the variable.
• C)overall differences between means on the measured variable are reduced.
• D)overall variance on the measured variable is increased.

---

Definitions:

Etiology

The study of the causes or origins of diseases or conditions.

Pancreatic Cancer

A malignant neoplasm of the pancreas, which is challenging to diagnose early and has a high mortality rate.

Tachycardia

An abnormally rapid pulse rate, greater than 100 beats per minute.

Skin Breakdown

The deterioration of skin integrity, usually caused by prolonged pressure, moisture, friction, or shearing forces leading to wounds or ulcers.