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Pilot experiment

From Wikipedia, the free encyclopedia

A pilot experiment, pilot study, pilot test or pilot project is a small-scale preliminary study conducted to evaluate feasibility, duration, cost, adverse events, and improve upon the study design prior to performance of a full-scale research project.[1][2]

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Transcription

Implementation

Pilot experiments are frequently carried out before large-scale quantitative research, in an attempt to avoid time and money being used on an inadequately designed project. A pilot study is usually carried out on a smaller group of members of the relevant population.[1] A pilot study is used to formulate the design of the full-scale experiment which then can be adjusted.[1][2] The pilot study is potentially a critical insight to clinical trial design, recruitment and sample size of participants, treatment testing, and statistical analysis to improve the power of testing the hypothesis of the study.[2] Analysis from the pilot experiment can be added to the full-scale (and more expensive) experiment to improve the chances of a clear and a more intended outcome.[1][2]

Applications

In sociology, pilot studies can be referred to as small-scale studies that will help identify design issues before the main research is done. Although pilot experiments have a well-established tradition, their usefulness as a strategy for change has been questioned, at least in the domain of environmental management.[3] Extrapolation from a pilot study to large scale strategy may not be assumed as possible, partly due to the exceptional resources and favorable conditions that accompany a pilot study.[1]

In clinical research, studies conducted in preparation for a future randomized controlled trial are known as "pilot" and "feasibility" studies, where pilot studies are a subset of feasibility studies.[1][4] A feasibility study asks whether the study should proceed, and if so, how. A pilot study asks the same questions, but also has a specific design feature: in a pilot study, a future study is conducted on a smaller scale,[1][5] which, if having produced positive results, may lead to a Phase I clinical trial.[6] The use of pilot and feasibility studies to estimate treatment effect is controversial, with ongoing methodologic discussion about appropriateness.[7]

A checklist was published in 2016 to provide guidance on how to report pilot trials.[8]

See also

References

  1. ^ a b c d e f g Thabane L, Ma J, Chu R, Cheng J, Ismaila A, Rios LP, et al. (January 2010). "A tutorial on pilot studies: the what, why and how". BMC Medical Research Methodology. 10 (1): 1. doi:10.1186/1471-2288-10-1. PMC 2824145. PMID 20053272.
  2. ^ a b c d Lewis M, Bromley K, Sutton CJ, McCray G, Myers HL, Lancaster GA (February 2021). "Determining sample size for progression criteria for pragmatic pilot RCTs: the hypothesis test strikes back!". Pilot and Feasibility Studies. 7 (1): 40. doi:10.1186/s40814-021-00770-x. PMC 7856754. PMID 33536076.
  3. ^ Billé R, Duchemin B (February 2010). "Action without change? On the use and usefulness of pilot experiments in environmental management". SAPIEN. Surveys and Perspectives Integrating Environment and Society. 4 (1).
  4. ^ Leon AC, Davis LL, Kraemer HC (May 2011). "The role and interpretation of pilot studies in clinical research". Journal of Psychiatric Research. 45 (5): 626–629. doi:10.1016/j.jpsychires.2010.10.008. PMC 3081994. PMID 21035130.
  5. ^ Eldridge SM, Lancaster GA, Campbell MJ, Thabane L, Hopewell S, Coleman CL, Bond CM (2016). "Defining Feasibility and Pilot Studies in Preparation for Randomised Controlled Trials: Development of a Conceptual Framework". PLOS ONE. 11 (3): e0150205. Bibcode:2016PLoSO..1150205E. doi:10.1371/journal.pone.0150205. PMC 4792418. PMID 26978655.
  6. ^ "The drug development process: Step 3: Clinical research". US Food and Drug Administration. 4 January 2018. Retrieved 29 March 2021.
  7. ^ Sim J (December 2019). "Should treatment effects be estimated in pilot and feasibility studies?". Pilot and Feasibility Studies. 5 (1): 107. doi:10.1186/s40814-019-0493-7. PMC 6712606. PMID 31485336.
  8. ^ Eldridge SM, Chan CL, Campbell MJ, Bond CM, Hopewell S, Thabane L, Lancaster GA, et al. (PAFS Consensus Group) (October 2016). "CONSORT 2010 statement: extension to randomised pilot and feasibility trials". BMJ. 355: i5239. doi:10.1136/bmj.i5239. PMC 5076380. PMID 27777223.
This page was last edited on 30 March 2024, at 14:29
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