Experiment
Experiment
Experiment (pronunciation: /ɪkˈspɛrɪmɛnt/) is a scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact. The term originates from the Latin word "experimentum", which means "a trial, test, proof, experiment".
Definition
An experiment is a methodical procedure carried out with the objective of verifying, falsifying, or establishing the validity of a hypothesis. Experiments provide insight into cause-and-effect by demonstrating what outcome occurs when a particular factor is manipulated.
Types of Experiments
There are several types of experiments, including controlled experiments, field experiments, natural experiments, and quasi-experiments. Each type has its own strengths and weaknesses, and is used in different contexts depending on the research question and the practicality of the experiment.
Design of Experiments
The design of experiments (DOE) is a systematic method to determine the relationship between factors affecting a process and the output of that process. It is used to both improve a process and to demonstrate the process's performance.
Related Terms
- Hypothesis: A proposed explanation for a phenomenon, which can be tested through experimentation.
- Variable: Any factor, trait, or condition that can exist in differing amounts or types in a scientific experiment.
- Control group: A group in an experiment that does not receive the treatment and is used as a benchmark to measure how the other tested subjects do.
- Treatment group: A group in an experiment that receives the treatment or variable being tested.
See Also
External links
- Medical encyclopedia article on Experiment
- Wikipedia's article - Experiment
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