Gri Literatür
Özet
Bu bölüm, geleneksel ticari yayıncılık kanallarının dışında kalan ve "gri literatür" olarak adlandırılan kaynakların akademik araştırmadaki kritik rolünü ele almaktadır. Gri literatür; tezler, konferans bildirileri, teknik raporlar, ön baskılar (preprints) ve klinik araştırma kayıtları gibi çeşitli formatları kapsar. Bu kaynakların stratejik önemi üç ana başlık altında incelenmektedir: araştırmalara güncellik kazandırması, yayın yanlılığını (publication bias) önlemesi ve veritabanı aramalarında gözden kaçan çalışmaları tespit ederek çift kontrol sağlaması. Özellikle negatif veya nötr sonuçlu çalışmaların yayınlanmama eğilimi göz önüne alındığında, gri literatür taraması, kanıt sentezinin daha dengeli ve kapsamlı olmasını sağlar. Bu bölüm, genç akademisyenlerin yüksek kaliteli gri literatürü etkin bir şekilde belirlemeleri, değerlendirmeleri ve dahil etmeleri için pratik bir rehber sunarak araştırmalarının kapsamını ve geçerliliğini artırmayı hedefler.
This chapter addresses the critical role of "grey literature"—resources produced outside of traditional commercial publishing channels—in academic research. Grey literature encompasses various formats, including theses, conference proceedings, preprints, and clinical trial registries. Its strategic importance is examined through three key benefits: providing currency to research, preventing publication bias, and acting as a cross-check to identify published studies missed by database searches. Given the tendency for studies with negative or neutral results to remain unpublished, searching grey literature is crucial for creating a more balanced and comprehensive evidence synthesis. This chapter provides a practical guide for young academics to effectively identify, evaluate, and incorporate high-quality grey literature, enhancing their research's comprehensiveness and validity.
Referanslar
Schöpfel J. Towards a Prague Definition of Grey Literature. In: GL'99 Conference Proceedings. Luxembourg: European Commission; 1999.
Higgins JPT, Thomas J, Chandler J, et al. editors. Cochrane Handbook for Systematic Reviews of Interventions. Version 6.3. London: Cochrane; 2024.
Song F, Parekh S, Hooper L, et al. Dissemination and publication of research findings: an updated review of related biases. Health Technol Assess. 2010 Feb;14(8):iii, ix-xi, 1-193. doi: 10.3310/hta14080.
Showell MG, Cole S, Clarke MJ, et al. Time to publication for results of clinical trials. Cochrane Database Syst Rev. 2024;11:MR000011. doi:10.1002/1465188.MR000011.pub3.
Hopewell S, McDonald S, Clarke M, et al. Grey literature in meta-analyses of randomized trials of health care interventions. Cochrane Database Syst Rev. 2007;2:MR000010. doi: 10.1002/14651858.MR000010.pub3.
Hirt J, Nordhausen T, Fuerst T, et al. Guidance on terminology, application, and reporting of citation searching: the TARCiS statement. BMJ. 2024;385:e078384. doi:10.1136/bmj-2023- 078384.
Hartling L, Featherstone R, Nuspl M, et al. Grey literature in systematic reviews: a cross- sectional study of the contribution of non-English reports, unpublished studies and dissertations to the results of meta-analyses in child-relevant reviews. BMC Med Res Methodol. 2017;17(1):64. doi: 10.1186/s12874-017-0347-z.
Adams RJ, Jeanrenaud S, Bessant J, et al. Shades of grey: guidelines for working with the grey literature in systematic reviews for management and organizational studies. Int J Manag Rev. 2016;19(4):432-454. doi.org/10.1111/ijmr.12102.
Abrar MF, Khan MS, Khan I, et al. Digital information credibility: towards a set of guidelines for quality assessment of grey literature in multivocal literature review. Appl Sci. 2023;13:4483. doi.org/10.3390/app13074483.
Tyndall J. AACODS Checklist. Flinders University, Adelaide; 2010. Available from: https://dspace.flinders.edu.au/xmlui/handle/2328/3326 (Erişim tarihi: 26.11.2025)
Godin K, Stapleton J, Kirkpatrick SI, et al. Applying systematic review search methods to the grey literature: a case study examining guidelines for school-based breakfast programs in Canada. Syst Rev. 2015;4:138. doi.org/10.1186/s13643-015-0125-2.
Saleh AA, Ratajeski MA, Bertolet M. Grey literature searching for health sciences systematic reviews: a prospective study of time spent and resources utilized. Evid Based Libr Inf Pract. 2014;9(3):28-50. doi:10.18438/b8dw3k.
