DOI:
https://doi.org/10.64782/istlj.2253329-345Keywords:
literature review, AND OR NOT, Boolean operators, search strategies, academic databasesHighlights
Abstract
This study examines the fundamental functioning and application of Boolean operators (AND, OR, NOT), which are frequently used in the information retrieval process of academic research. In literature searches conducted in digital academic databases, well-structured Boolean queries not only save time but also enhance the quality of research. The article explains the history and core concepts of Boolean logic, as well as how these operators are used—with examples—in widely used databases such as Scopus, EBSCO, PubMed, and Web of Science. In addition, common mistakes, practical tips for proper use, and applied query examples based on various research scenarios are presented. The aim of the study is to improve researchers’ information retrieval skills by enabling them to logically construct effective search strategies.
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