When Using a Work-Sampling Study

question 77

Multiple Choice

When using a work-sampling study,

• A) the underlying assumption is that the proportion of time during which the activity is observed in the sample will be the proportion of time spent on the activity in general.
• B) the underlying assumption is that small samples of an activity can provide accurate measures of time spent on the activity.
• C) an advantage is that the study can normally be concluded in a day or less.
• D) the analyst must be highly trained in statistical observation.

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Definitions:

Arterial Blood Gas

A test that measures the amounts of oxygen and carbon dioxide in the blood, as well as the acidity (pH) of the blood.

Oxygen Saturation

A measure of the amount of oxygen carried by the hemoglobin in the red blood cells, typically measured with a pulse oximeter; an important indicator of respiratory function.

Cyanosis

A bluish or purplish discoloration of the skin due to insufficient oxygen in the blood, often indicative of respiratory or circulatory issues.

COPD

Chronic Obstructive Pulmonary Disease; a group of lung diseases including chronic bronchitis and emphysema that obstruct airflow and cause breathing difficulties.