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

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Definitions:

Radi/o

A prefix in medical terminology that refers to radiation or radioactivity.

Tom/o

A combining form meaning 'to cut' or 'section,' used in medical terms related to cutting or making incisions, as in anatomy or surgery.

Therm/o

A prefix related to heat, used in terms indicating a relation to temperature.

Lucent

Refers to an area on an imaging study that allows the passage of radiation, such as X-rays, appearing darker compared to surrounding tissues or structures.