Which of the Following Is True of QALYs

question 4

Multiple Choice

Which of the following is true of QALYs?

• A) A QALY may be interpreted as a year of life at full health compared to immediate death.
• B) QALYs take into account the number of life-years saved.
• C) In cost-effectiveness analysis, the cost of an additional QALY of less than $50,000 is often considered cost effective in the United States.
• D) All of these are correct.

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Definitions:

Independent Variable

In experimental settings, the variable that is manipulated or changed to observe its effect on the dependent variable.

Dependent Variable

In an experiment, it is the variable being tested and measured, which is expected to change as a result of manipulations to the independent variable.

Experimenter

The person conducting an experiment, responsible for the setup, execution, and analysis of the experiment to test hypotheses and gather data.

Experimental Group

In experimental research, the group of participants that receives the treatment or intervention under study, contrasted with the control group.