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Related to observational: Observational study, Observational learning


a. The act of observing: observations of a rare bird.
b. The power or faculty of observing.
c. The fact of being observed: kept the suspect under observation.
a. The act or process of perceiving something, such as a phenomenon, often by means of an instrument, and making a record of the resulting information.
b. The result or record of such an act or process: a meteorological observation.
3. An inference, judgment, or remark that is made by observing: made some sharp observations about the movie.

ob′ser·va′tion·al adj.
ob′ser·va′tion·al·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.observational - relying on observation or experiment; "experimental results that supported the hypothesis"
empirical, empiric - derived from experiment and observation rather than theory; "an empirical basis for an ethical theory"; "empirical laws"; "empirical data"; "an empirical treatment of a disease about which little is known"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


adjempirisch, aufgrund or auf Grund von Beobachtungen gewonnen; observational skills or facultiesBeobachtungsgabe f; observational studyBeobachtungsstudie f
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007


[ˌɒbzəˈveɪʃənl] adj (frm) (device) → per l'osservazione; (abilities, faculties) → di osservazione
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
References in periodicals archive ?
The median duration of HAART before delivery was 11 weeks in the two randomized groups and 13 weeks in the observational group.
Enter observational or non-interventional research: studies that seek to determine a product's real-world performance in the context of medical practice, ignoring such standard exclusion criterion as patients with comorbid conditions, patients not adhering to treatment or visit schedules, and other confounding factors.
He describes the early application of observational studies to generate hypotheses concerning human exposures to environmental agents, test the performance of models, and reduce exposures to protect public health.
The observational study is currently considered a research tool to complement information provided by RCTs.
This article reports on the conducting of two series of meta-analyses, one using only observational assessments of attachment and one using both observational and self-report assessments.
in the January 30 edition of OT implicitly asserted that more significance should be placed on randomised controlled clinical trials (RCTs) rather than observational studies.
The advisory reviewed a meta-analysis of randomized, controlled trials and more than 24 observational, cohort, case/control and ecological reports.
The WHI clinical trials were designed in 1991 and 1992 primarily to determine whether oral menopausal HT protects against coronary artery disease (CAD), as a large body of literature based on observational studies had suggested.
One of Fisher's arguments was that it is possible that the association of tobacco smoking with lung cancer in observational data is due to a common genetic cause.
Receives Approval to Commence Family Practice (BC) Observational Study
Stoke Therapeutics announced enrollment of the first patient in an observational study of children and adolescents ages 2 to 18 with Dravet syndrome.
(OTCQB: CMXC) (MUN: 9CX) ("Cell MedX" or the "Company"), a biotech company focusing on the discovery, development and commercialization of therapeutic and non-therapeutic products that promote general wellness, is pleased to announce that the Company has received approval from the Board of Directors to commence a Family Practice (BC) - Observational Study of its ebalance device (the "Observational Trial", or the "Study").

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