Overview
A control group is a fundamental concept in experimental research, serving as a baseline to compare the effects of a treatment. By not receiving the treatment, the control group allows researchers to determine whether changes in the experimental group are due to the treatment or other factors. Under...
Key Terms
Example: A scientist conducts an experiment to see how light affects plant growth.
Example: In a study on plant growth, the amount of sunlight is the independent variable.
Example: The height of the plants is the dependent variable in the sunlight study.
Example: Soil type and water amount are controlled variables in the plant growth experiment.
Example: The hypothesis might be that more sunlight leads to taller plants.
Example: After collecting data, the researcher analyzes it to see if the hypothesis is supported.