Experimental Design Review

The one variable you change and test in an experiment to see if it has an effect

The variables that are kept the same for ALL subjects and samples in an experiment

The subjects or samples that do not receive the experimental treatment in a study and are used for comparison

The variable you measure in an experiment to determine how much of an effect was caused.

Which variable is placed on the x-axis?

Which variable is placed on the y-axis?

What is the independent variable in the research study: "The effect of sunscreen chemicals on the health of staghorn coral"?

What is the dependent variable in the research study: "The effect of light color on the growth of spinach plants"?

Controlled variable in a study on the effect of different amounts of light on moss growth.