A Nurse Is Teaching a Patient About Heart Failure

question 22

Multiple Choice

A nurse is teaching a patient about heart failure. Which environment will the nurse use?

• A) A darkened, quiet room
• B) A well-lit, ventilated room
• C) A private room at 85° F temperature
• D) A group room for 10 to 12 patients with heart failure

---

Definitions:

Alternative Hypothesis

A hypothesis that proposes a statistical relationship between variables, opposite to the null hypothesis suggesting no relationship.

Main Effect

The direct impact of an independent variable on a dependent variable in an experimental design.

Null Hypothesis

A default hypothesis that there is no effect or no difference, and any observed difference is due to sampling or experimental error.

Interaction Effect

A phenomenon in which the effect of one independent variable on the dependent variable varies depending on the level of another independent variable.