The Buteyko method is a shallow breathing technique developed by Konstantin Bute

Question

The Buteyko method is a shallow breathing technique developed by Konstantin Buteyko, a Russian doctor, in 1952. Anecdotal evidence suggests that the Buteyko method can reduce asthma symptoms and improve quality of life. In a scientific study to determine the effectiveness of this method, researchers recruited 600 asthma patients aged 18–69 who relied on medication for asthma treatment. These patients were split into two research groups: one practiced the Buteyko method and the other did not. Patients were scored on quality of life, activity, asthma symptoms, and medication reduction on a scale from 0 to 10. On average, the participants in the Buteyko group experienced a significant reduction in asthma symptoms and an improvement in quality of life.

Identify the numerical variables in this study. (Select all that apply.)

A. whether or not the patient practiced the Buteyko method

B. age of patients

C. gender of patients

D. measures of quality of life, activity, asthma symptoms, and medication reduction

E. there are no numerical variables

Explanation / Answer

Here, the numerical value is age of patients.Since all the rest are categorical variables.

Here, gender is a categorical variable,similarly whether or not the patient practiced the Buteyko method,measures of quality of life, activity, asthma symptoms, and medication reduction are all categorical variables.

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