Experimental data refers to data that is collected through controlled experiments conducted in a scientific research setting. This data is typically gathered through quantitative measurements or observations made during the course of the experiment. Experimental data is often used to test hypotheses, validate theories, or identify patterns and trends in a given phenomenon. It is considered to be a reliable and objective source of information, as it is collected under controlled conditions and can be analyzed statistically to draw meaningful conclusions. Experimental data plays a crucial role in the scientific method and is used across various disciplines, including biology, psychology, physics, and chemistry, among others.