Math
Experiments.
Definition
An experiment is a study in which the researcher deliberately imposes a treatment on subjects to observe the effect. Unlike observational studies, experiments can establish cause-and-effect relationships because variables are controlled.
Examples
Real-world.
- 1 Testing whether a new fertilizer increases plant growth by applying it to a treatment group
- 2 A clinical trial where patients randomly receive a drug or placebo
- 3 Comparing two teaching methods by randomly assigning students to each