A researcher is conducting an experiment to see if changing lighting levels affects workers' productivity. Analyze which is the independent variable in this experiment.
Understand the Problem
The question is asking to identify the independent variable in an experiment that examines how changing lighting levels affects workers' productivity. This involves analyzing the relationship between the variables presented.
Answer
Lighting levels
The independent variable in this experiment is B. Lighting levels.
Answer for screen readers
The independent variable in this experiment is B. Lighting levels.
More Information
In an experiment like this, the independent variable is what the researcher controls or changes to examine its impact. Lighting levels are adjusted to observe changes in worker productivity.
Tips
A common mistake is identifying the dependent variable, such as productivity, as the independent variable. Remember, the independent variable is what you change.