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Narrative literature reviews play a crucial role in scientific research by providing a comprehensive overview of the available knowledge on a particular topic. Unlike systematic reviews, which follow rigid methodologies, narrative reviews offer a more flexible and qualitative approach, allowing researchers to synthesize and interpret the findings of different studies. This type of review is particularly valuable in fields with a high literature diversity, as it can help identify trends, gaps, and emerging themes. A key strength of narrative reviews is their ability to provide broader context, integrate insights from diverse disciplines, and enable a deeper understanding of complex issues. They also facilitate the exploration of theories and frameworks, often leading to new hypotheses and research questions. Narrative reviews are valuable resources for practitioners and policymakers, extracting key findings that can inform practice and decision-making. However, these reviews are not without limitations. The subjective nature of narrative synthesis can introduce bias, and the lack of a standardized methodology makes the reliability of conclusions uncertain. To enhance the rigor of narrative reviews, researchers should clearly define their objectives, thoroughly document their search strategies, and critically evaluate the quality of included studies. Although narrative literature reviews may not have the same empirical basis as systematic reviews, they remain a significant tool for knowledge dissemination and theoretical exploration in scientific research. On average, only a relatively small proportion of recent scientific publications provide high levels of evidence, though the journal review process should discourage unsubstantiated conclusions in original research articles. This introductory editorial is a brief preview that aims to help read, understand, and evaluate narrative review articles.
Mousa Numan Ahmad (Sat,) studied this question.