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Prab at 13:36, 24 March 2024

2024-03-24T13:36:15Z

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'''Experiment''' is a methodical procedure carried out with the goal 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.

== Definition ==
An '''[[experiment]]''' is a procedure carried out to support, refute, or validate a [[hypothesis]]. Experiments provide insight into cause-and-effect by demonstrating what outcome occurs when a particular factor is manipulated. Experiments vary greatly in their goal and scale, but always rely on repeatable procedure and logical analysis of the results.

== Types of Experiments ==
There are several types of experiments that can be conducted, including [[controlled experiments]], [[field experiments]], [[natural experiments]], [[quasi-experiments]], and [[thought experiments]].

=== Controlled Experiments ===
In a '''[[controlled experiment]]''', an experiment is a controlled method of scientific investigation in which at least two situations (referred to as treatments) are compared to each other.

=== Field Experiments ===
A '''[[field experiment]]''' applies the scientific method to experimentally examine an intervention in the real world (or as many experimental economists like to say, naturally occurring environments) rather than in the laboratory.

=== Natural Experiments ===
A '''[[natural experiment]]''' also known as a quasi-experiment, is an empirical study in which the control and experimental variables are not artificially manipulated by researchers.

=== Quasi-Experiments ===
A '''[[quasi-experiment]]''' is an empirical interventional study used to estimate the causal impact of an intervention on target population without random assignment.

=== Thought Experiments ===
A '''[[thought experiment]]''' considers some hypothesis, theory, or principle for the purpose of thinking through its consequences.

== See Also ==
* [[Scientific method]]
* [[Observational study]]
* [[Longitudinal study]]
* [[Cross-sectional study]]
[[Category:Scientific method]]
[[Category:Experimental design]]
[[Category:Research methods]]
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Experiment - Revision history

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Prab at 13:36, 24 March 2024