Scientific journals: Indexation and impact factor

The Impact Factor and Scientific Journals

Thanks to you, our readership, our combined Global Spine Journal/Evidence-Based Spine-Care Journal has enjoyed substantial popularity in terms of submissions. In response to this demand, the AOSpine International Board has given us permission to increase our number of annual issues from 6 to 8. This increase in annual issues has come with a number of stipulations, of which one of the leading on...

Impact factor and electronic versions of biomedical scientific journals.

BACKGROUND AND OBJECTIVES The development of electronic editions of scientific journals and the rapid spread of scientific information might modify the pattern the bibliographic citations, and thus the impact factor and quality of journals. We assessed changes in the impact factor over years of a number of journals and whether the presence of an electronic version of the journal was associated ...

Impact factor, scientific production and quality of Brazilian medical journals.

Use and Impact of Social Networks on Physical Medicine and Rehabilitation Scientific Journals

Objectives: Our research seeks to examine the correlation between the presence of physical medicine and rehabilitation journals in social networks and the SJR impact factor. Methods: We carried out a correlation study. For the research, we took into account all physical medicine and rehabilitation journals included in the SCImago Journal Rank. The number of followers on Twitter, Facebook, YouT...

Measuring contextual citation impact of scientific journals

This paper explores a new indicator of journal citation impact, denoted as source normalized impact per paper (SNIP). It measures a journal’s contextual citation impact, taking into account characteristics of its properly defined subject field, especially the frequency at which authors cite other papers in their reference lists, the rapidity of maturing of citation impact, and the extent to whi...