Journal Information

Metrics

Impact factor

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years.

© Clarivate Analytics, Journal Citation Reports 2022

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Impact factor 2023
1.0
Citescore

CiteScore measures average citations received per document published.

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Citescore 2023
1.9
SJR

SRJ is a prestige metric based on the idea that not all citations are the same. SJR uses a similar algorithm as the Google page rank; it provides a quantitative and qualitative measure of the journal's impact.

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SJR 2023
0.28
SNIP

SNIP measures contextual citation impact by wighting citations based on the total number of citations in a subject field.

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SNIP 2023
0.48
Acceptance rate

The acceptance rate for journals is calculated by dividing the total number of accepted papers (initially and after standard review) by the total number of submissions (accepted and rejected).

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Acceptance rate
48 %
Time to first decision

The median number of days it takes for an article to go from submission to first editorial decision.

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Time to first decision
36 days
Review time

The median number of days from submission to the end of the editorial review process.

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Review time
102 days
Acceptance to publication

The median number of days from receipt of accept decision to first online publication for all papers accepted at the journal.

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Acceptance to publication
107 days
Submission to acceptance

The median number of days from submission to receipt of accept decision for all papers accepted at the journal.

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Submission to acceptance
109 days
Online Article Publication Time

Indicates speed of publication at the journal level.

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Online Article Publication Time
206 days
Impact factor
The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years.
Year Impact factor
2023 1.0
2022 1.4

The Journal Impact Factor is published each year by Clarivate Analytics. It is a measure of the number of times an average paper in a particular journal is cited during the preceding two years.

For example:

A = the number of times articles published in a specific journal in 2021 and 2022 were cited by journals during 2023.

B = the total number of 'citable items' published by that journal in 2021 and 2022. ('Citable items' are usually articles, reviews, proceedings, etc.; not editorials or letters-to-the-editor.)

2023 impact factor = A/B.

Actual value is intentionally only displayed for the most recent year. Earlier values are available in the Journal Citation Reports from Clarivate Analytics

Citescore
CiteScore measures average citations received per document published.
Year Citescore
2023 1.9
2022 1.5
2021 1.0
2020 1.1
2019 1.3
2018 1.1
2017 0.9
2016 0.8
2015 0.9
2014 0.9
2013 0.8
2012 0.8
2011 1.0

CiteScore measures the average citations received per document published in a title. CiteScore values are based on citation counts in a range of four years (e.g. 2020-2023) to peer-reviewed documents (articles, reviews, conference papers, data papers and book chapters) published in the same four calendar years, divided by the number of these documents in these same four years (e.g. 2017-20).

For example, CiteScore 2020:

A = Citations to articles, reviews, conference papers, data papers and book chapters published in 2020-2023

B = Sum of articles, reviews, conference papers, data papers and book chapters published in 2020-2023

2023 CiteScore = A/B

A CiteScore is available for most active serial titles on Scopus - peer-reviewed journals, book series, conference proceedings and trade journals.

SJR
SRJ is a prestige metric based on the idea that not all citations are the same. SJR uses a similar algorithm as the Google page rank; it provides a quantitative and qualitative measure of the journal's impact.
Year SJR
2023 0.28
2022 0.23
2021 0.22
2020 0.24
2019 0.22
2018 0.26
2017 0.22
2016 0.23
2015 0.19
2014 0.20
2013 0.24
2012 0.20
2011 0.30

SCImago Journal Rank (SJR) is a measure of the number of times an average paper in a particular journal is cited, and as such is conceptually similar to the Impact Factor. A major difference is that instead of each citation being counted as one, as with the Impact Factor, the SCImago Journal Rank assigns each citation a value greater or less than 1.00 based on the rank of the citing journal. The weighting is calculated using a three-year window of measurement and uses the Scopus database. Authors can use these metrics when deciding where to publish.

The idea is to assign weights to bibliographic citations based on the importance of the journals that issued them. Citations issued by more important journals will be more valuable than those issued by less important ones. This 'importance' will be computed recursively, i.e., the important journals will be those which in turn receive many citations from other important journals.

SNIP
SNIP measures contextual citation impact by wighting citations based on the total number of citations in a subject field.
Year SNIP
2023 0.48
2022 0.54
2021 0.45
2020 0.48
2019 0.41
2018 0.45
2017 0.33
2016 0.36
2015 0.22
2014 0.35
2013 0.59
2012 0.31
2011 0.28

Source-Normalized Impact per Paper (SNIP) measures contextual citation impact by weighting citations based on the total number of citations in a subject field. This unique perspective enables direct comparison of sources in different subject fields. The impact of a single citation is given higher value in subject areas where citations are less likely, and vice versa.

It is a ratio, with a numerator and a denominator. SNIP's numerator is a journal's impact per publication (IPP). This is simply the average number of citations received in a particular year (e.g. 2023) by papers published in the journal during the three preceding years (e.g. 2020, 2021 and 2022).

SNIP's denominator is the Database Citation Potential (DCP). We know that there are large differences between various scientific subfields in the frequency at which authors cite papers. In view of this, for each journal an indicator is calculated of the citation potential in the subject field it covers. This citation potential is included in SNIP's denominator, the DCP. SNIP is IPP divided by DCP.

SNIP enables direct comparison of sources in different subject fields. Citation potential is shown to vary not only between journal subject categories (groupings of journals sharing a research field) or disciplines (e.g., journals in Mathematics tend to have lower values than journals in Life Sciences), but also between journals within the same subject category. For instance, basic journals tend to show higher citation potentials than applied or clinical journals. Likewise, journals covering emerging topics tend to be higher than periodicals in classical subjects, or more general journals.

SNIP helps authors to identify which journals are performing best within their subject field, helping them decide where to publish. Mouse over the circles in the visualization and click on the year to view the journal's metrics. The size of the circles are compared to the highest values in the 5-year range. This highest value is represented by a closed circle, and the open circles indicate the journal's value compared to this highest value.

Acceptance rate
The acceptance rate for journals is calculated by dividing the total number of accepted papers (initially and after standard review) by the total number of submissions (accepted and rejected).
Year %
2024 48 %
Time to first decision
The median number of days it takes for an article to go from submission to first editorial decision.
Year Time to first decision
2024 36 days
2023 25 days
Review time
The median number of days from submission to the end of the editorial review process.
Year Review time
2024 102 days
Acceptance to publication
The median number of days from receipt of accept decision to first online publication for all papers accepted at the journal.
Year Acceptance to publication
2024 107 days
Submission to acceptance
The median number of days from submission to receipt of accept decision for all papers accepted at the journal.
Year Submission to acceptance
2024 109 days
Online Article Publication Time
Indicates speed of publication at the journal level.
Year Online Article Publication Time
2024 206 days
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