OBJECTIVES The systematic review (SR) is a research methodology that aims to synthesize related evidence. Updating previously conducted SRs is necessary when new evidence has been produced, but no consensus has yet emerged on the appropriate update methodology. The authors have developed a new SR update method called 'adaptive meta-analysis' (AMA) using the 'cited by', 'similar articles', and '...

this study mainly aims to compare the quantity of iranian publications and their citation impact in the two popular citation databases, scopus and web of science. the documents which specified iran as their affiliated country published during 1998-2007 were selected as iran’s publications in the two databases. during the examined years, iran has published 49198 documents in scopus and 35061 doc...

Abstract Predatory publishing represents a major challenge to scholarly communication. This paper maps the infiltration of journals suspected predatory practices into citation database Scopus and examines cross-country differences in propensity scholars publish such journals. Using names “potential, possible, or probable” publishers on Beall’s lists, we derived ISSNs 3,293 from Ulrichsweb searc...

The aim of the study is to reveal intellectual structure articles on voluntary tourism, one topics studied in field tourism recent years, with a systematic literature review and trends this subject. For purpose, scanned Scopus database published between 1979-2021 (January) using R software were analyzed by bibliometric methods. In study, number publications keyword analysis, common word network...

Loose part media is of children's learning. With this media, learning outcomes can be effective. This study aims to present the literature results related loose media. The data taken came from help r studio program, which bibliometric r-packages software. type listed journal articles. In parts, there were increases and decreases in publication numbers, highest production peaks 2018 30 author wh...

The launch of Google Scholar Metrics as a tool for assessing scientific journals may be serious competition for Thomson Reuters’ Journal Citation Reports, and for Scopus’ powered Scimago Journal Rank. , A review of these bibliometric journal evaluation products is performed. We compare their main characteristics from different approaches: coverage, indexing policies, search and visualization, b...