Randomized experiment: Difference between revisions

Revision as of 18:30, 21 December 2020

Revision as of 14:26, 25 April 2021

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{{short description|Experiment using randomness in some aspect, usually to aid in removal of bias}}

[[Image:Flowchart of Phases of Parallel Randomized Trial - Modified from CONSORT 2010.png|thumb|250px|right|Flowchart of four phases (enrollment, intervention allocation, follow-up, and data analysis) of a parallel randomized trial of two groups, modified from the [[Consolidated Standards of Reporting Trials|CONSORT 2010 Statement]]<ref name="Schulz-2010">{{Cite journal | author = Schulz KF, Altman DG, Moher D; for the CONSORT Group | title = CONSORT 2010 Statement: updated guidelines for reporting parallel group randomised trials | journal = BMJ | volume = 340 | pages = c332 | year = 2010 | doi = 10.1136/bmj.c332 | url = http://www.bmj.com/cgi/content/full/340/mar23_1/c332 | pmid = 20332509 | pmc = 2844940 }}</ref>]] In [[scientific method|science]], '''randomized experiments''' are the [[experiment]]s that allow the greatest reliability and validity of statistical estimates of treatment effects. Randomization-based inference is especially important in [[experimental design]] and in [[survey sampling]].

== Overview ==