Researchers Studying the Effectiveness of a Diet on Heart Disease

question 20

Multiple Choice

Researchers studying the effectiveness of a diet on heart disease divided the study's participants into two groups-those with Type A personalities and those with Type B personalities. Which scale of measurement characterizes these personality variables?

• A)Nominal
• B)Ordinal
• C)Interval
• D)Ratio

---

Definitions:

Middle Class

A social group between the upper and working classes, including professionals and business people, characterized by moderate income and standard of living.

Osteoporosis

A medical condition characterized by the weakening of bones, making them fragile and more likely to break.

Marathon

A long-distance running race with an official distance of 42.195 kilometers (approximately 26.219 miles), usually run as a road race.

Sedentary

A lifestyle characterized by a lot of sitting and lying down with very little to no exercise, leading to various health risks.