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.

2.

Identify the categorical 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 categorical variables

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

2.

Categorical variables:
A - Yes, it is a 1 or 0 variable

B - No , is not a categorical variable

C - No

D - Yes. All these are categorical variables since they are measured in 0-10 scale

E - False

Numerical variables:

A - No

B - Yes, is a numerical variable, though it wasn't recorded for individual study, an age group was taken

C - No, no division of age groups based on Gender

D - No, these aren't categorical variables

E - No

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