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Guides & Tutorial, Pao-yue Kong Library, The Polytechnic University of Hong Kong

Journal Impact: Home

Introduction

Journal Impact measures the average number of articles published and the number of citations the articles received in that journal. It can be used to identify significant journals in a field and it may support publication decisions. Most commonly used metric for measuring a journal is the Impact Factor which is published by Journal Citation Reports (JCR) every year (based on Web of Science data).

Scopus also provide metrics for journal evaluation which include SJRSNIP and CiteScore. CiteScore calculates the average number of citations given in a certain year to the publications that appeared in a journal in the three preceding years. It replaces the IPP (Impact Per Paper) that used to be available in Scopus.

Google Scholar Metrics measures the h-index for a journal over the past 5 years (h5-index). It uses data collected from Google Scholar.
 

View details on different metrics by clicking on the links below.

Access from InCites Journal Citation Reports Access from Scopus Access Google Scholar Metrics
     

Remarks on using Journal Metrics to measure Journal Impact

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Journal Impact measures the average number of articles published and the number of citations the articles received in that journal. It can be used to identify significant journals in a field and it may support publication decisions. Most commonly used metric for measuring a journal is the Impact Factor which is published by Journal Citation Reports (JCR) every year (based on Web of Science data).

Scopus also provide metrics for journal evaluation which include SJRSNIP and CiteScore. CiteScore calculates the average number of citations given in a certain year to the publications that appeared in a journal in the three preceding years. It replaces the IPP (Impact Per Paper) that used to be available in Scopus.

Google Scholar Metrics measures the h-index for a journal over the past 5 years (h5-index). It uses data collected from Google Scholar.
 

View details on different metrics by clicking on the links below.

Access from InCites Journal Citation Reports Access from Scopus Access Google Scholar Metrics