Dear Colleagues, The statement made by Journal Citation Reports on 26 July 2022, it was reported that some important updates in the journal metrics will be published 2023 [1]. most striking of these changes impact factor would now calculated, including journals from Arts and Humanities Index (AHCI) Emerging Sources (ESCI). On 28 June 2023, current indexed Web Science were shared for 2022 [2]. A...

We present a critical analysis of the generalized use of the "impact factor". By means of the Kruskal-Wallis test, it was shown that it is not possible to compare distinct disciplines using the impact factor without adjustments. After assigning the median journal the value of one (1.000), the impact factor value for each journal was calculated by the rule of three. The adjusted values were homo...

Introduction Traditionally, normalization for field differences has usually been done based on a field classification system. In said approach, each publication belongs to one or more fields and the citation impact of a publication is calculated relative to the other publications in the same field. An example of a field classification system is the JCR subject category list. For these subject c...

OBJECTIVE To determine whether methodological and reporting quality are associated with surrogate measures of publication impact in the field of dementia biomarker studies. METHODS We assessed dementia biomarker studies included in a previous systematic review in terms of methodological and reporting quality using the Quality Assessment of Diagnostic Accuracy Studies (QUADAS) and Standards fo...

Imaging Journals The Journal of Nuclear Medicine (JNM) has been ranked as the world’s most influential medical imaging journal, according to new data released on June 20 in the 2008 Journal Citation Reports, published by Thomson Reuters’ Institute for Scientific Information (ISI). For 2008, JNM earned an impact factor of 6.662, an increase of more than 12% from its 2007 statistic of 5.915 and m...

The Journal Impact Factors for 1999 have recently been released and indicate that Thorax has again increased its impact factor, from 2.861 in 1998 to 3.437 in 1999. Thorax has thus further consolidated its position as the highest ranking specialist respiratory journal after the two American Thoracic Society publications. The position of Thorax in terms of impact factor relative to other selecte...

We propose a new data source (Google Scholar) and metric (Hirsch's h-index) to assess journal impact in the field of Economics & Business. A systematic comparison between the Google Scholar h-index and the ISI Journal Impact Factor for a sample of 838 journals in Economics & Business shows that the former provides a more accurate and comprehensive measure of journal impact.