For other uses, see Control and Treatment and control groups.
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Take identical growing plants (Argyroxiphium sandwicense) and give fertilizer to half of them. If there are differences between the fertilized treatment and the unfertilized treatment, these differences may be due to the fertilizer as long as there weren't other confounding factors that affected the result. For example, if the fertilizer was spread by a tractor but no tractor was used on the unfertilized treatment, then the effect of the tractor needs to be controlled.
A scientific control is an experiment or observation designed to minimize the effects of variables other than the independent variable (i.e. confounding variables).[1] This increases the reliability of the results, often through a comparison between control measurements and the other measurements. Scientific controls are a part of the scientific method.
^Life, Vol. II: Evolution, Diversity and Ecology: (Chs. 1, 21–33, 52–57). W. H. Freeman. 2006. p. 15. ISBN 978-0-7167-7674-1. Retrieved 14 February 2015.
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A scientificcontrol is an experiment or observation designed to minimize the effects of variables other than the independent variable (i.e. confounding...
for steering a controllable system of state variables toward a desired goal Controlling for a variable in statistics Scientificcontrol, an experiment...
A control variable (or scientific constant) in scientific experimentation is an experimental element which is constant (controlled) and unchanged throughout...
through a comparison between control measurements and the other measurements. Scientificcontrols are a part of the scientific method. Ideally, all variables...
based on the results of statistical analysis and the strength of scientificcontrols.[citation needed] A person's assumptions or beliefs about the relationship...
The scientific method is an empirical method for acquiring knowledge that has characterized the development of science since at least the 17th century...
Quality control (QC) is a process by which entities review the quality of all factors involved in production. ISO 9000 defines quality control as "a part...
Experimental data is data that is generated in the course of a controlledscientific experiment. Data is analyzed using techniques such as calculation...
treated group versus a control group is outside the control of the investigator Randomized controlled trial, a type of scientific experiment, often in the...
A scientific theory is an explanation of an aspect of the natural world and universe that can be (or a fortiori, that has been) repeatedly tested and corroborated...
placebo or an old standard of therapy.[citation needed] Scientificcontrol Wait list control group Blocking (statistics) Hawthorne effect Hinkelmann,...
heated and thermostatically controlled bacteriological incubator. In 1925, the company purchased Montreal-based Scientific Supplies, Ltd. The same year...
Scientific management is a theory of management that analyzes and synthesizes workflows. Its main objective is improving economic efficiency, especially...
Statistical process control (SPC) or statistical quality control (SQC) is the application of statistical methods to monitor and control the quality of a...
more mixed and confused matter and one over which we have little scientificcontrol." Glöckner, Olaf; Fireberg, Haim (25 September 2015). Being Jewish...
Control charts are graphical plots used in production control to determine whether quality and manufacturing processes are being controlled under stable...
Scientific racism, sometimes termed biological racism, is the pseudoscientific belief that the human species can be subdivided into biologically distinct...
rely on empirical evidence. Applied sciences are disciplines that use scientific knowledge for practical purposes, such as in engineering and medicine...
Marotta Controls, Inc. is one of the technology businesses in New Jersey, specializing in the design, manufacture and integration of precision control components...
until the Springer-Nature merger. In the fall of 2008, Scientific American was put under the control of Holtzbrinck's Nature Publishing Group division. Donald...
controlled trial (or randomized control trial; RCT) is a form of scientific experiment used to control factors not under direct experimental control....
communication relay, weather forecasting, navigation (GPS), broadcasting, scientific research, and Earth observation. Additional military uses are reconnaissance...
Scientific literature comprises academic papers that report original empirical and theoretical work in the natural and social sciences. Within a field...
integrity and secure scientific validity of study results: Quality assurance – all actions carried out before data collection Quality control – all actions carried...
scientific journal is a periodical publication designed to further the progress of science by disseminating new research findings to the scientific community...
Engineering statistics combines engineering and statistics using scientific methods for analyzing data. Engineering statistics involves data concerning...
diseases ECDC publishes numerous scientific and technical reports covering various issues related to the prevention and control of communicable diseases. Comprehensive...
known as birth control pills, are medications taken by mouth for the purpose of birth control. The introduction of the birth control pill (the Pill)...
measure outcomes. Direct measurement of outcomes under controlled conditions (see Scientific method) will always be more reliable than modeled estimates...
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