Nursing · Nursing Research
An independent variable in a research study is defined as:
- 1A variable that cannot be measured or quantified
- 2The variable that is manipulated or controlled by the researcher to observe its effect✓
- 3A variable that must remain completely constant throughout the experiment
- 4The primary outcome response variable being measured
Correct answer
The variable that is manipulated or controlled by the researcher to observe its effect
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