The ABC of systematic literature review: the basic methodological guidance for beginners

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The ABC of systematic literature review: the basic methodological guidance for beginners Hayrol Azril Mohamed Shaffril1 · Samsul Farid Samsuddin2 · Asnarulkhadi Abu Samah1,3 Accepted: 12 October 2020 © Springer Nature B.V. 2020

Abstract There is a  need for more methodological-based articles on systematic literature review (SLR) for non-health researchers to address issues related to  the lack of methodological references in SLR and less suitability of existing methodological guidance. With that, this study presented a beginner’s guide to basic methodological guides and key points to perform SLR, especially for those from non-health related background. For that, a total of 75 articles that passed the minimum quality were retrieved using systematic searching strategies. Seven main points of SLR were discussed, namely (1) the development and validation of the review protocol/publication standard/reporting standard/guidelines, (2) the formulation of research questions, (3) systematic searching strategies, (4) quality appraisal, (5) data extraction, (6) data synthesis, and (7) data demonstration. Keywords  Systematic literature review · Basic methodology · Non-health related studies · Beginners

1 Introduction Previous works are fundamental to the creation of new knowledge. When performing literature review, researchers analyse, interpret, and critically evaluate the existing body of knowledge. The process allows them to discover the patterns of prior results, comprehend the depth and details of the existing knowledge, and identify gaps for further exploration. * Hayrol Azril Mohamed Shaffril [email protected] Samsul Farid Samsuddin [email protected] Asnarulkhadi Abu Samah [email protected] 1

Institute for Social Science Studies, Universiti Putra Malaysia, Putra Infoport, 43400 Serdang, Selangor, Malaysia

2

Faculty of Computer Science and Information Technology, University of Malaya, 50603 Kuala Lumpur, Malaysia

3

Faculty of Human Ecology, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia



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H. A. Mohamed Shaffril et al.

Traditional literature review has been long practised and regarded as one of the best ways to situate a study within the existing knowledge. Currently, there is another alternative of a review, which is systematic literature review (SLR). According to Higgins et al. (2011), SLR or also known as systematic review (SR) can be defined as follows: A systematic literature review aims to comprehensively locate and synthesise related research using organised, transparent, and replicable procedures at each step in the process. SLR has several advantages compared to traditional review such as its numerous unique procedures. SLR encourages researchers to look for studies outside their own subject areas and networks through the introduction of extensive searching methods, predefined search strings, and standard inclusion and exclusion criteria (Robinson and Lowe 2015). This kind of review stress on transparency, all terms in inclusion criteria for example, mus