Baseline (science)
Baseline (science)
Baseline (/ˈbeɪslʌɪn/), in the context of science, refers to a starting point, control, or reference point in scientific research and experiments. It is a key concept in many scientific disciplines, including medicine, psychology, and environmental science.
Etymology
The term "baseline" originates from the mid-19th century, where it was used in surveying to refer to the main line of survey on which the rest of the work is based. In the scientific context, it has been used since the early 20th century.
Usage in Medicine
In medicine, a baseline is a known value or a norm against which other values are compared. For example, a patient's baseline blood pressure is the average blood pressure measurement taken when the patient is in a relaxed, normal state. This baseline measurement can then be used as a reference point to monitor changes or abnormalities.
Related Terms
- Control group: In scientific research, a control group serves as a baseline. It is a group in an experiment that does not receive the treatment or intervention and is used for comparison with the experimental group.
- Baseline study: A type of study conducted before a project begins to provide a snapshot of current conditions against which future changes can be compared.
- Baseline data: The initial collection of data which serves as a basis for comparison with the subsequently acquired data.
See Also
External links
- Medical encyclopedia article on Baseline (science)
- Wikipedia's article - Baseline (science)
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