Learn what a control group is and why it is important. See the different types of control groups and their characteristics and find control group examples.

Understand what positive and negative controls are in an experiment. Learn the purpose of a negative control group, and study example negative control groups.

What's the difference between an experimental and a control group? Experimental and control groups are the two main groups found in an experiment, each serving a slightly different purpose.

Discover the purpose of a positive control group in scientific experiments and explore examples in just 5 minutes! Test your knowledge with a quiz for practice.

Discover the definition of a control group in our video lesson. Learn its purpose and importance, and see examples, then take a quiz to review your knowledge.

See a comparison of positive control vs. negative control group. Understand what positive control in an experiment is and what the purpose of a...

Learn what a control group is and why it is important. See the different types of control groups and their characteristics and find control group examples.

What is the purpose of using random assignment? Random assignment eliminates initial group differences between the experimental group and the control group.

Negative Control Group: Definition and Purpose What is a negative control in an experiment? In scientific research, a negative control group is essential for ensuring accurate experimental results.

The purpose of a control group in an experiment is 1. to increase the validity of the experimental results. Control groups are introduced into an... See full answer below.