Journal of Police Crisis Negotiations

Currently known as Police Practice and Research: An International Journal. Our primary aim at Police Practice & Research is to present current and innovative police research with a focus on informing policing policy, programs and/or practice around the globe. We welcome qualitative, quantitative and mixed methodological studies from academic researchers and police practitioners alike, and strongly encourage research submissions from practitioner-academic partnerships. We also welcome rigorous systematic reviews of police strategies, technologies and innovations that have implications for police policy and practice. From September 1, 2021, we will require manuscripts to meet 3 key criteria we see as supporting our objectives: - a clear statement of the policy, practice and/or program implications of the research presented - this content should be included in both the abstract and discussion sections of a paper; - consideration for the global scope of our audience - we not only welcome papers from around the globe, but particularly those that can tie local or regional issues to the larger world; - evidence of a rigorous methodological approach - all papers should be transparent in the methods used, from data collection to analysis. Ideally, we hope papers published in PPR can be replicated or reproduced based on the methods used.

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Category	Year	Quartile
Applied Psychology	2002	Q4
Applied Psychology	2003	Q4
Applied Psychology	2004	Q4
Applied Psychology	2005	Q4
Applied Psychology	2006	Q4
Applied Psychology	2007	Q4
Applied Psychology	2008	Q4
Applied Psychology	2009	Q4
Applied Psychology	2010	Q4
Applied Psychology	2011	Q4
Applied Psychology	2012	Q4
Applied Psychology	2013	Q4
Applied Psychology	2014	Q3
Applied Psychology	2015	Q4
Law	2002	Q4
Law	2003	Q4
Law	2004	Q4
Law	2005	Q4
Law	2006	Q3
Law	2007	Q3
Law	2008	Q4
Law	2009	Q4
Law	2010	Q3
Law	2011	Q3
Law	2012	Q3
Law	2013	Q3
Law	2014	Q2
Law	2015	Q2
Social Psychology	2002	Q4
Social Psychology	2003	Q4
Social Psychology	2004	Q4
Social Psychology	2005	Q4
Social Psychology	2006	Q4
Social Psychology	2007	Q4
Social Psychology	2008	Q4
Social Psychology	2009	Q4
Social Psychology	2010	Q4
Social Psychology	2011	Q4
Social Psychology	2012	Q4
Social Psychology	2013	Q4
Social Psychology	2014	Q3
Social Psychology	2015	Q4

SJR

The SJR is a size-independent prestige indicator that ranks journals by their 'average prestige per article'. It is based on the idea that 'all citations are not created equal'. SJR is a measure of scientific influence of journals that accounts for both the number of citations received by a journal and the importance or prestige of the journals where such citations come from It measures the scientific influence of the average article in a journal, it expresses how central to the global scientific discussion an average article of the journal is.

Year	SJR
2002	0.101
2003	0.101
2004	0.100
2005	0.100
2006	0.140
2007	0.123
2008	0.100
2009	0.123
2010	0.134
2011	0.168
2012	0.139
2013	0.223
2014	0.371
2015	0.229

Total Documents

Evolution of the number of published documents. All types of documents are considered, including citable and non citable documents.

Year	Documents
2001	18
2002	20
2003	25
2004	23
2005	20
2006	19
2007	19
2008	10
2009	18
2010	19
2011	11
2012	14
2013	0
2014	0
2015	0

Citations per document

This indicator counts the number of citations received by documents from a journal and divides them by the total number of documents published in that journal. The chart shows the evolution of the average number of times documents published in a journal in the past two, three and four years have been cited in the current year. The two years line is equivalent to journal impact factor ™ (Thomson Reuters) metric.

Cites per document	Year	Value
Cites / Doc. (4 years)	2001	0.000
Cites / Doc. (4 years)	2002	0.056
Cites / Doc. (4 years)	2003	0.053
Cites / Doc. (4 years)	2004	0.016
Cites / Doc. (4 years)	2005	0.023
Cites / Doc. (4 years)	2006	0.068
Cites / Doc. (4 years)	2007	0.057
Cites / Doc. (4 years)	2008	0.025
Cites / Doc. (4 years)	2009	0.162
Cites / Doc. (4 years)	2010	0.394
Cites / Doc. (4 years)	2011	0.318
Cites / Doc. (4 years)	2012	0.207
Cites / Doc. (4 years)	2013	0.677
Cites / Doc. (4 years)	2014	0.841
Cites / Doc. (4 years)	2015	1.040
Cites / Doc. (3 years)	2001	0.000
Cites / Doc. (3 years)	2002	0.056
Cites / Doc. (3 years)	2003	0.053
Cites / Doc. (3 years)	2004	0.016
Cites / Doc. (3 years)	2005	0.015
Cites / Doc. (3 years)	2006	0.074
Cites / Doc. (3 years)	2007	0.048
Cites / Doc. (3 years)	2008	0.000
Cites / Doc. (3 years)	2009	0.188
Cites / Doc. (3 years)	2010	0.404
Cites / Doc. (3 years)	2011	0.426
Cites / Doc. (3 years)	2012	0.250
Cites / Doc. (3 years)	2013	0.932
Cites / Doc. (3 years)	2014	0.400
Cites / Doc. (3 years)	2015	0.571
Cites / Doc. (2 years)	2001	0.000
Cites / Doc. (2 years)	2002	0.056
Cites / Doc. (2 years)	2003	0.053
Cites / Doc. (2 years)	2004	0.000
Cites / Doc. (2 years)	2005	0.000
Cites / Doc. (2 years)	2006	0.093
Cites / Doc. (2 years)	2007	0.000
Cites / Doc. (2 years)	2008	0.000
Cites / Doc. (2 years)	2009	0.069
Cites / Doc. (2 years)	2010	0.071
Cites / Doc. (2 years)	2011	0.541
Cites / Doc. (2 years)	2012	0.167
Cites / Doc. (2 years)	2013	0.760
Cites / Doc. (2 years)	2014	0.286
Cites / Doc. (2 years)	2015	0.000

Total Cites

Self-Cites

Evolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years.
Journal Self-citation is defined as the number of citation from a journal citing article to articles published by the same journal.

Cites	Year	Value
Self Cites	2001	0
Self Cites	2002	1
Self Cites	2003	2
Self Cites	2004	1
Self Cites	2005	0
Self Cites	2006	3
Self Cites	2007	2
Self Cites	2008	0
Self Cites	2009	4
Self Cites	2010	1
Self Cites	2011	2
Self Cites	2012	1
Self Cites	2013	0
Self Cites	2014	0
Self Cites	2015	0
Total Cites	2001	0
Total Cites	2002	1
Total Cites	2003	2
Total Cites	2004	1
Total Cites	2005	1
Total Cites	2006	5
Total Cites	2007	3
Total Cites	2008	0
Total Cites	2009	9
Total Cites	2010	19
Total Cites	2011	20
Total Cites	2012	12
Total Cites	2013	41
Total Cites	2014	10
Total Cites	2015	8

External Cites per Doc

Cites per Doc

Evolution of the number of total citation per document and external citation per document (i.e. journal self-citations removed) received by a journal's published documents during the three previous years. External citations are calculated by subtracting the number of self-citations from the total number of citations received by the journal’s documents.

Cites	Year	Value
External Cites per document	2001	0
External Cites per document	2002	0.000
External Cites per document	2003	0.000
External Cites per document	2004	0.000
External Cites per document	2005	0.015
External Cites per document	2006	0.029
External Cites per document	2007	0.016
External Cites per document	2008	0.000
External Cites per document	2009	0.104
External Cites per document	2010	0.383
External Cites per document	2011	0.383
External Cites per document	2012	0.229
External Cites per document	2013	0.932
External Cites per document	2014	0.400
External Cites per document	2015	0.571
Cites per document	2001	0.000
Cites per document	2002	0.056
Cites per document	2003	0.053
Cites per document	2004	0.016
Cites per document	2005	0.015
Cites per document	2006	0.074
Cites per document	2007	0.048
Cites per document	2008	0.000
Cites per document	2009	0.188
Cites per document	2010	0.404
Cites per document	2011	0.426
Cites per document	2012	0.250
Cites per document	2013	0.932
Cites per document	2014	0.400
Cites per document	2015	0.571

% International Collaboration

International Collaboration accounts for the articles that have been produced by researchers from several countries. The chart shows the ratio of a journal's documents signed by researchers from more than one country; that is including more than one country address.

Year	International Collaboration
2001	0.00
2002	0.00
2003	0.00
2004	0.00
2005	5.00
2006	0.00
2007	0.00
2008	0.00
2009	0.00
2010	0.00
2011	18.18
2012	0.00
2013	0
2014	0
2015	0

Citable documents

Non-citable documents

Not every article in a journal is considered primary research and therefore "citable", this chart shows the ratio of a journal's articles including substantial research (research articles, conference papers and reviews) in three year windows vs. those documents other than research articles, reviews and conference papers.

Documents	Year	Value
Non-citable documents	2001	0
Non-citable documents	2002	2
Non-citable documents	2003	10
Non-citable documents	2004	13
Non-citable documents	2005	13
Non-citable documents	2006	8
Non-citable documents	2007	7
Non-citable documents	2008	7
Non-citable documents	2009	6
Non-citable documents	2010	7
Non-citable documents	2011	6
Non-citable documents	2012	5
Non-citable documents	2013	3
Non-citable documents	2014	2
Non-citable documents	2015	1
Citable documents	2001	0
Citable documents	2002	16
Citable documents	2003	28
Citable documents	2004	50
Citable documents	2005	55
Citable documents	2006	60
Citable documents	2007	55
Citable documents	2008	51
Citable documents	2009	42
Citable documents	2010	40
Citable documents	2011	41
Citable documents	2012	43
Citable documents	2013	41
Citable documents	2014	23
Citable documents	2015	13

Cited documents

Uncited documents

Ratio of a journal's items, grouped in three years windows, that have been cited at least once vs. those not cited during the following year.

Documents	Year	Value
Uncited documents	2001	0
Uncited documents	2002	17
Uncited documents	2003	36
Uncited documents	2004	62
Uncited documents	2005	67
Uncited documents	2006	63
Uncited documents	2007	59
Uncited documents	2008	58
Uncited documents	2009	39
Uncited documents	2010	35
Uncited documents	2011	36
Uncited documents	2012	39
Uncited documents	2013	28
Uncited documents	2014	18
Uncited documents	2015	8
Cited documents	2001	0
Cited documents	2002	1
Cited documents	2003	2
Cited documents	2004	1
Cited documents	2005	1
Cited documents	2006	5
Cited documents	2007	3
Cited documents	2008	0
Cited documents	2009	9
Cited documents	2010	12
Cited documents	2011	11
Cited documents	2012	9
Cited documents	2013	16
Cited documents	2014	7
Cited documents	2015	6

% Female Authors

Evolution of the percentage of female authors.

Year	Female Percent
2001	15.38
2002	30.77
2003	8.33
2004	17.65
2005	33.33
2006	31.25
2007	25.00
2008	0.00
2009	21.05
2010	54.29
2011	26.32
2012	45.00
2013	0.00
2014	0.00
2015	0.00

Documents cited by public policy (Overton)

Evolution of the number of documents cited by public policy documents according to Overton database.

Documents	Year	Value
Overton	2001	0
Overton	2002	0
Overton	2003	0
Overton	2004	0
Overton	2005	0
Overton	2006	0
Overton	2007	0
Overton	2008	0
Overton	2009	1
Overton	2010	14
Overton	2011	3
Overton	2012	10
Overton	2013	0
Overton	2014	0
Overton	2015	0

Documents related to SDGs (UN)

Evolution of the number of documents related to Sustainable Development Goals defined by United Nations. Available from 2018 onwards.

Documents	Year	Value

Estimated APC

It estimates the article processing charges (APCs) a journal might charge, based on its visibility, prestige, and impact as measured by the SJR. It does not reflect the actual APC, but rather a calculated approximation based on journal quality.

Year	Est. APC (USD)
2001
2002	2181
2003	2181
2004	2180
2005	2179
2006	2210
2007	2226
2008	2226
2009	2242
2010	2266
2011	2284
2012	2294
2013	2367
2014	2490
2015	2531

Estimated financial value

It represents the potential financial worth of a journal. It is obtained by multiplying the journal's Estimated APC by the total number of citable documents published over the past five years. This value reflects the hypothetical revenue a journal could generate based on its estimated publication costs and scholarly output.