SlideShare una empresa de Scribd logo
1 de 25
Descargar para leer sin conexión
www.le.ac.uk/library
Journal impact factors: use and misuse
Ian Rowlands
University Library
Research Festival 2014 Research Bytes 3
Journal impact factors
What are journal impact factors?
Where can I find them?
Three common pitfalls
What are journal impact factors?
Journal impact factors: use and misuse
The journal impact factor 2012 example
papers published
in 2010
papers published
in 2011
+
The journal impact factor 2012 example
citations accrued
during 2012
papers published
in 2010
papers published
in 2011
+
÷
The journal impact factor 2012 example
100 citations
accrued
during 2012
30 papers published
in 2010
20 papers published
in 2011
+
÷
JIF = 100 citations / 50 papers = 2.0
Where can I find them?
Where can I find them?
Journal Citation Reports
Journal Citation Reports ® Thomson Reuters 2012
Immunology subject category
Three common pitfalls
1. Don’t compare IFs across disciplines
Don’t compare IFs across disciplines
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0
History
Mathematics
Economics
Business
Polymer science
Materials science
Genetics and heredity
Multidisciplinary sciences
Mean journal impact factor (2012)
Source: Thomson Reuters Journal Citation Reports
Don’t compare IFs across disciplines
1 2 3 4 5 6 7 8 9 10 11 12 13
Citationsrecieved
Years after publication
Genetics Mathematics
Don’t compare IFs across disciplines
1 2 3 4 5 6 7 8 9 10 11 12 13
Citationsrecieved
Years after publication
Genetics Mathematics
Three common pitfalls
2. Take the rankings with a pinch of salt
Take the rankings with a pinch of salt
-125%
-100%
-75%
-50%
-25%
0%
25%
50%
75%
100%
125%
150%
175%
0 100 200 300 400 500 600 700 800 900 1000
Mean%changeinIF(2011on2010)
Journal size (2011 articles)
Take the rankings with a pinch of salt
Three common pitfalls
3. Don’t judge an article by its cover
Don’t judge an article by its cover
Don’t judge an article by its cover
top 10% of articles generate
40% of all citations …
Don’t judge an article by its cover
top 10% of articles generate
40% of all citations …
… 82% of articles are `below average’
Don’t judge an article by its cover
top 10% of articles generate
40% of all citations …
… 82% of articles are `below average’
Bill Gates gets on the train …
Don’t judge an article by its cover
2.051
49.926
54.333
2.076 2.244
2008 2009 2010 2011 2012
Acta Crystallographica Section A
Journal impact factor
Summary
• DO use IFs to target influential journals for reading or
potential publication
• DON’T compare IFs across disciplines
• DON’T take the rankings too literally
• DON’T confuse journal and article level metrics
• DO apply common sense
www.le.ac.uk/library
TOMORROW
Don’t lose credit for your research
Ian Rowlands
University Library
Research Festival 2014 Research Bytes 4
Attenborough ATT212, 13:00-13:30

Más contenido relacionado

La actualidad más candente

References (Citations & Bibliography)
References (Citations & Bibliography)References (Citations & Bibliography)
References (Citations & Bibliography)Grace Mendoza
 
Impact factor (using impact factor to assess the impact of a journal)
Impact factor (using impact factor to assess the impact of a journal)Impact factor (using impact factor to assess the impact of a journal)
Impact factor (using impact factor to assess the impact of a journal)shri mangalambikai
 
What is wrong with Journals' Impact Factor
What is wrong with Journals' Impact Factor What is wrong with Journals' Impact Factor
What is wrong with Journals' Impact Factor Ahmed-Refat Refat
 
Web of Science and Scopus: Understanding the indexing system
Web of Science and Scopus: Understanding the indexing systemWeb of Science and Scopus: Understanding the indexing system
Web of Science and Scopus: Understanding the indexing systemDr. Sharad Chand
 
Journal Citation Reports - Finding Journal impact factors
Journal Citation Reports -  Finding Journal impact factorsJournal Citation Reports -  Finding Journal impact factors
Journal Citation Reports - Finding Journal impact factorsUCT
 
Using Impact Factors in Research & Publication
Using Impact Factors in Research & PublicationUsing Impact Factors in Research & Publication
Using Impact Factors in Research & PublicationRebecca Kate Miller
 
Scopus: Research Metrics and Indicators
Scopus: Research Metrics and Indicators Scopus: Research Metrics and Indicators
Scopus: Research Metrics and Indicators Michaela Kurschildgen
 
Journal impact measures: the Impact Factor
Journal impact measures: the Impact FactorJournal impact measures: the Impact Factor
Journal impact measures: the Impact FactorTorres Salinas
 
Scopus Journal Metrics SNIP & SJR
Scopus Journal Metrics SNIP & SJRScopus Journal Metrics SNIP & SJR
Scopus Journal Metrics SNIP & SJRf kersten
 
Research Metrics
Research Metrics Research Metrics
Research Metrics Naz Torabi
 
The publishing process
The publishing processThe publishing process
The publishing processRoger Watson
 
What do we know about the h index?
What do we know about the h index?What do we know about the h index?
What do we know about the h index?hsls
 
Identifying journals for publication
Identifying journals for publicationIdentifying journals for publication
Identifying journals for publicationDr. Chinchu C
 

La actualidad más candente (20)

References (Citations & Bibliography)
References (Citations & Bibliography)References (Citations & Bibliography)
References (Citations & Bibliography)
 
Impact factor (using impact factor to assess the impact of a journal)
Impact factor (using impact factor to assess the impact of a journal)Impact factor (using impact factor to assess the impact of a journal)
Impact factor (using impact factor to assess the impact of a journal)
 
What is wrong with Journals' Impact Factor
What is wrong with Journals' Impact Factor What is wrong with Journals' Impact Factor
What is wrong with Journals' Impact Factor
 
Web of Science and Scopus: Understanding the indexing system
Web of Science and Scopus: Understanding the indexing systemWeb of Science and Scopus: Understanding the indexing system
Web of Science and Scopus: Understanding the indexing system
 
Journal Citation Reports - Finding Journal impact factors
Journal Citation Reports -  Finding Journal impact factorsJournal Citation Reports -  Finding Journal impact factors
Journal Citation Reports - Finding Journal impact factors
 
Using Impact Factors in Research & Publication
Using Impact Factors in Research & PublicationUsing Impact Factors in Research & Publication
Using Impact Factors in Research & Publication
 
Citation indexing
Citation indexingCitation indexing
Citation indexing
 
Scopus: Research Metrics and Indicators
Scopus: Research Metrics and Indicators Scopus: Research Metrics and Indicators
Scopus: Research Metrics and Indicators
 
The impact factor and other measures of journal prestige
The impact factor and other measures of journal prestigeThe impact factor and other measures of journal prestige
The impact factor and other measures of journal prestige
 
journal and impact factor
journal and impact factorjournal and impact factor
journal and impact factor
 
Journal impact measures: the Impact Factor
Journal impact measures: the Impact FactorJournal impact measures: the Impact Factor
Journal impact measures: the Impact Factor
 
Scopus Journal Metrics SNIP & SJR
Scopus Journal Metrics SNIP & SJRScopus Journal Metrics SNIP & SJR
Scopus Journal Metrics SNIP & SJR
 
Research Metrics
Research Metrics Research Metrics
Research Metrics
 
The publishing process
The publishing processThe publishing process
The publishing process
 
Understanding the Basics of Journal Metrics
Understanding the Basics of Journal MetricsUnderstanding the Basics of Journal Metrics
Understanding the Basics of Journal Metrics
 
Citation Database
Citation Database Citation Database
Citation Database
 
Altmetrics
Altmetrics Altmetrics
Altmetrics
 
What do we know about the h index?
What do we know about the h index?What do we know about the h index?
What do we know about the h index?
 
Scopus
ScopusScopus
Scopus
 
Identifying journals for publication
Identifying journals for publicationIdentifying journals for publication
Identifying journals for publication
 

Destacado

Impact factor of journals
Impact factor of journalsImpact factor of journals
Impact factor of journalsDr. Pinki Insan
 
Journal Citations Impact Factors
Journal Citations Impact FactorsJournal Citations Impact Factors
Journal Citations Impact FactorsSophie vd Walt
 
Aula 6 - O estudo e a avaliacao da producao cientifica: criterios e indicadores
Aula 6 - O estudo e a avaliacao da producao cientifica: criterios e indicadoresAula 6 - O estudo e a avaliacao da producao cientifica: criterios e indicadores
Aula 6 - O estudo e a avaliacao da producao cientifica: criterios e indicadoresLeticia Strehl
 
Oficina Autoria x Propriedade na Cultura Digital
Oficina Autoria x Propriedade na Cultura DigitalOficina Autoria x Propriedade na Cultura Digital
Oficina Autoria x Propriedade na Cultura DigitalDebora Sebriam
 
AUTHORSHIP AND THE ALLOCATION OF CREDIT ( Design of Research )
AUTHORSHIP AND THE ALLOCATION OF CREDIT ( Design of Research )AUTHORSHIP AND THE ALLOCATION OF CREDIT ( Design of Research )
AUTHORSHIP AND THE ALLOCATION OF CREDIT ( Design of Research )Kiran Hanjar
 
Indicadores da Produção Científica (Scientific Production Indicators)
Indicadores da Produção Científica (Scientific Production Indicators)Indicadores da Produção Científica (Scientific Production Indicators)
Indicadores da Produção Científica (Scientific Production Indicators)Biblioteca da FOB-USP
 
Whiteside’s group - Como escrever um artigo (ppt)
Whiteside’s group - Como escrever um artigo (ppt)Whiteside’s group - Como escrever um artigo (ppt)
Whiteside’s group - Como escrever um artigo (ppt)Sunny K. S. Freitas
 
ISBN (International Standard Book Number)
ISBN (International Standard Book Number)ISBN (International Standard Book Number)
ISBN (International Standard Book Number)Government of India
 
Tecnicas de Comunicação
Tecnicas de ComunicaçãoTecnicas de Comunicação
Tecnicas de ComunicaçãoBento Oliveira
 
How to do a Scientific research ?
How to do a Scientific research ?How to do a Scientific research ?
How to do a Scientific research ?Yahia Reda
 
All you want to know about ISSN-ISBN
All you want to know about ISSN-ISBNAll you want to know about ISSN-ISBN
All you want to know about ISSN-ISBNMira K Desai
 
Técnicas para geração de ideias
Técnicas para geração de ideiasTécnicas para geração de ideias
Técnicas para geração de ideiasJosé Henrique Lopes
 
21 o método científico
21 o método científico21 o método científico
21 o método científicoJoao Balbi
 

Destacado (20)

Impact factor of journals
Impact factor of journalsImpact factor of journals
Impact factor of journals
 
Journal Citations Impact Factors
Journal Citations Impact FactorsJournal Citations Impact Factors
Journal Citations Impact Factors
 
Aula 6 - O estudo e a avaliacao da producao cientifica: criterios e indicadores
Aula 6 - O estudo e a avaliacao da producao cientifica: criterios e indicadoresAula 6 - O estudo e a avaliacao da producao cientifica: criterios e indicadores
Aula 6 - O estudo e a avaliacao da producao cientifica: criterios e indicadores
 
Oficina Autoria x Propriedade na Cultura Digital
Oficina Autoria x Propriedade na Cultura DigitalOficina Autoria x Propriedade na Cultura Digital
Oficina Autoria x Propriedade na Cultura Digital
 
Authorship
AuthorshipAuthorship
Authorship
 
AUTHORSHIP AND THE ALLOCATION OF CREDIT ( Design of Research )
AUTHORSHIP AND THE ALLOCATION OF CREDIT ( Design of Research )AUTHORSHIP AND THE ALLOCATION OF CREDIT ( Design of Research )
AUTHORSHIP AND THE ALLOCATION OF CREDIT ( Design of Research )
 
Indicadores da Produção Científica (Scientific Production Indicators)
Indicadores da Produção Científica (Scientific Production Indicators)Indicadores da Produção Científica (Scientific Production Indicators)
Indicadores da Produção Científica (Scientific Production Indicators)
 
Whiteside’s group - Como escrever um artigo (ppt)
Whiteside’s group - Como escrever um artigo (ppt)Whiteside’s group - Como escrever um artigo (ppt)
Whiteside’s group - Como escrever um artigo (ppt)
 
O processo de publicacao cientifica
O processo de publicacao cientificaO processo de publicacao cientifica
O processo de publicacao cientifica
 
Ética na Gestão Editorial
Ética na Gestão EditorialÉtica na Gestão Editorial
Ética na Gestão Editorial
 
ISBN (International Standard Book Number)
ISBN (International Standard Book Number)ISBN (International Standard Book Number)
ISBN (International Standard Book Number)
 
Tecnicas de Comunicação
Tecnicas de ComunicaçãoTecnicas de Comunicação
Tecnicas de Comunicação
 
ICT Tools for Research and Publications
ICT Tools for Research and PublicationsICT Tools for Research and Publications
ICT Tools for Research and Publications
 
How to do a Scientific research ?
How to do a Scientific research ?How to do a Scientific research ?
How to do a Scientific research ?
 
All you want to know about ISSN-ISBN
All you want to know about ISSN-ISBNAll you want to know about ISSN-ISBN
All you want to know about ISSN-ISBN
 
Técnicas para geração de ideias
Técnicas para geração de ideiasTécnicas para geração de ideias
Técnicas para geração de ideias
 
21 o método científico
21 o método científico21 o método científico
21 o método científico
 
Copyright in india
Copyright in indiaCopyright in india
Copyright in india
 
The Scientific Method
The Scientific MethodThe Scientific Method
The Scientific Method
 
Tipo de apresentações em público
Tipo de apresentações em públicoTipo de apresentações em público
Tipo de apresentações em público
 

Similar a Journal impact factors: use and misuse

Article Example 1.pdf
Article Example 1.pdfArticle Example 1.pdf
Article Example 1.pdfstudywriters
 
The Strange World of Bibliometric Numbers: Implications for Professional Prac...
The Strange World of Bibliometric Numbers: Implications for Professional Prac...The Strange World of Bibliometric Numbers: Implications for Professional Prac...
The Strange World of Bibliometric Numbers: Implications for Professional Prac...Sam Gray
 
Responsible metrics for research - Jisc Digifest 2016
Responsible metrics for research - Jisc Digifest 2016Responsible metrics for research - Jisc Digifest 2016
Responsible metrics for research - Jisc Digifest 2016Jisc
 
Rubic_Print_FormatCourse CodeClass CodeAssignment TitleTotal Point.docx
Rubic_Print_FormatCourse CodeClass CodeAssignment TitleTotal Point.docxRubic_Print_FormatCourse CodeClass CodeAssignment TitleTotal Point.docx
Rubic_Print_FormatCourse CodeClass CodeAssignment TitleTotal Point.docxjoellemurphey
 
Boosting University Citation Impact using ORCID (P. Purnell)
Boosting University Citation Impact using ORCID (P. Purnell)Boosting University Citation Impact using ORCID (P. Purnell)
Boosting University Citation Impact using ORCID (P. Purnell)ORCID, Inc
 
HLT 362V GCU Wk 2 Statistics for Health Sciences Nursing.docx
HLT 362V GCU Wk 2 Statistics for Health Sciences Nursing.docxHLT 362V GCU Wk 2 Statistics for Health Sciences Nursing.docx
HLT 362V GCU Wk 2 Statistics for Health Sciences Nursing.docxbkbk37
 
HLT 362V GCU Statistics for Health Sciences Nursing Article Analysis.docx
HLT 362V GCU Statistics for Health Sciences Nursing Article Analysis.docxHLT 362V GCU Statistics for Health Sciences Nursing Article Analysis.docx
HLT 362V GCU Statistics for Health Sciences Nursing Article Analysis.docxbkbk37
 
HLT 362V GCU Interpretation of Research Prevention of Patient Falls.docx
HLT 362V GCU Interpretation of Research Prevention of Patient Falls.docxHLT 362V GCU Interpretation of Research Prevention of Patient Falls.docx
HLT 362V GCU Interpretation of Research Prevention of Patient Falls.docxbkbk37
 
Article Analysis 1 The interpretation of research in health care
Article Analysis 1 The interpretation of research in health careArticle Analysis 1 The interpretation of research in health care
Article Analysis 1 The interpretation of research in health careBetseyCalderon89
 
2012.02.01 Where Next for the ABS Guide
2012.02.01 Where Next for the ABS Guide2012.02.01 Where Next for the ABS Guide
2012.02.01 Where Next for the ABS GuideNUI Galway
 
Component Proficient (2 points)Competent (1 points)Novic.docx
Component Proficient (2 points)Competent (1 points)Novic.docxComponent Proficient (2 points)Competent (1 points)Novic.docx
Component Proficient (2 points)Competent (1 points)Novic.docxmccormicknadine86
 
Citation frequency and ethical issue
Citation frequency and ethical issueCitation frequency and ethical issue
Citation frequency and ethical issueNader Ale Ebrahim
 
Citation analysis for research evaluation
Citation analysis for research evaluationCitation analysis for research evaluation
Citation analysis for research evaluationWouter Gerritsma
 
Simon Linacre, Emerald: An insider's guide to getting published in research j...
Simon Linacre, Emerald: An insider's guide to getting published in research j...Simon Linacre, Emerald: An insider's guide to getting published in research j...
Simon Linacre, Emerald: An insider's guide to getting published in research j...sainsburylibrary
 
Research workshop presentation unisa
Research workshop presentation unisaResearch workshop presentation unisa
Research workshop presentation unisaerasmus01
 
Rankometrics / Bibliometrics - Les Oxley
Rankometrics / Bibliometrics - Les OxleyRankometrics / Bibliometrics - Les Oxley
Rankometrics / Bibliometrics - Les OxleyCharlies1000
 

Similar a Journal impact factors: use and misuse (20)

Article Example 1.pdf
Article Example 1.pdfArticle Example 1.pdf
Article Example 1.pdf
 
Wimek talents & topics
Wimek talents & topicsWimek talents & topics
Wimek talents & topics
 
The Strange World of Bibliometric Numbers: Implications for Professional Prac...
The Strange World of Bibliometric Numbers: Implications for Professional Prac...The Strange World of Bibliometric Numbers: Implications for Professional Prac...
The Strange World of Bibliometric Numbers: Implications for Professional Prac...
 
Responsible metrics for research - Jisc Digifest 2016
Responsible metrics for research - Jisc Digifest 2016Responsible metrics for research - Jisc Digifest 2016
Responsible metrics for research - Jisc Digifest 2016
 
Rubic_Print_FormatCourse CodeClass CodeAssignment TitleTotal Point.docx
Rubic_Print_FormatCourse CodeClass CodeAssignment TitleTotal Point.docxRubic_Print_FormatCourse CodeClass CodeAssignment TitleTotal Point.docx
Rubic_Print_FormatCourse CodeClass CodeAssignment TitleTotal Point.docx
 
Boosting University Citation Impact using ORCID (P. Purnell)
Boosting University Citation Impact using ORCID (P. Purnell)Boosting University Citation Impact using ORCID (P. Purnell)
Boosting University Citation Impact using ORCID (P. Purnell)
 
HLT 362V GCU Wk 2 Statistics for Health Sciences Nursing.docx
HLT 362V GCU Wk 2 Statistics for Health Sciences Nursing.docxHLT 362V GCU Wk 2 Statistics for Health Sciences Nursing.docx
HLT 362V GCU Wk 2 Statistics for Health Sciences Nursing.docx
 
HLT 362V GCU Statistics for Health Sciences Nursing Article Analysis.docx
HLT 362V GCU Statistics for Health Sciences Nursing Article Analysis.docxHLT 362V GCU Statistics for Health Sciences Nursing Article Analysis.docx
HLT 362V GCU Statistics for Health Sciences Nursing Article Analysis.docx
 
HLT 362V GCU Interpretation of Research Prevention of Patient Falls.docx
HLT 362V GCU Interpretation of Research Prevention of Patient Falls.docxHLT 362V GCU Interpretation of Research Prevention of Patient Falls.docx
HLT 362V GCU Interpretation of Research Prevention of Patient Falls.docx
 
Quality Indices
Quality IndicesQuality Indices
Quality Indices
 
Research_Methodology_L2_CBB.pptx
Research_Methodology_L2_CBB.pptxResearch_Methodology_L2_CBB.pptx
Research_Methodology_L2_CBB.pptx
 
Article Analysis 1 The interpretation of research in health care
Article Analysis 1 The interpretation of research in health careArticle Analysis 1 The interpretation of research in health care
Article Analysis 1 The interpretation of research in health care
 
2012.02.01 Where Next for the ABS Guide
2012.02.01 Where Next for the ABS Guide2012.02.01 Where Next for the ABS Guide
2012.02.01 Where Next for the ABS Guide
 
Vincent Larivière - Journal Impact Factors: history, limitations and adverse ...
Vincent Larivière - Journal Impact Factors: history, limitations and adverse ...Vincent Larivière - Journal Impact Factors: history, limitations and adverse ...
Vincent Larivière - Journal Impact Factors: history, limitations and adverse ...
 
Component Proficient (2 points)Competent (1 points)Novic.docx
Component Proficient (2 points)Competent (1 points)Novic.docxComponent Proficient (2 points)Competent (1 points)Novic.docx
Component Proficient (2 points)Competent (1 points)Novic.docx
 
Citation frequency and ethical issue
Citation frequency and ethical issueCitation frequency and ethical issue
Citation frequency and ethical issue
 
Citation analysis for research evaluation
Citation analysis for research evaluationCitation analysis for research evaluation
Citation analysis for research evaluation
 
Simon Linacre, Emerald: An insider's guide to getting published in research j...
Simon Linacre, Emerald: An insider's guide to getting published in research j...Simon Linacre, Emerald: An insider's guide to getting published in research j...
Simon Linacre, Emerald: An insider's guide to getting published in research j...
 
Research workshop presentation unisa
Research workshop presentation unisaResearch workshop presentation unisa
Research workshop presentation unisa
 
Rankometrics / Bibliometrics - Les Oxley
Rankometrics / Bibliometrics - Les OxleyRankometrics / Bibliometrics - Les Oxley
Rankometrics / Bibliometrics - Les Oxley
 

Más de Library Research Services

Make research information come to you (video version)
Make research information come to you (video version)Make research information come to you (video version)
Make research information come to you (video version)Library Research Services
 
How confident are you in finding information?
How confident are you in finding information?How confident are you in finding information?
How confident are you in finding information?Library Research Services
 
Planning your literature search (video version)
Planning your literature search (video version)Planning your literature search (video version)
Planning your literature search (video version)Library Research Services
 
Conducting your literature search (video version)
Conducting your literature search (video version)Conducting your literature search (video version)
Conducting your literature search (video version)Library Research Services
 
Making your research open access the green way
Making your research open access the green wayMaking your research open access the green way
Making your research open access the green wayLibrary Research Services
 

Más de Library Research Services (17)

Library induction for PhD researchers
Library induction for PhD researchersLibrary induction for PhD researchers
Library induction for PhD researchers
 
Introduction to reference management
Introduction to reference managementIntroduction to reference management
Introduction to reference management
 
Introduction to Research Data Management
Introduction to Research Data ManagementIntroduction to Research Data Management
Introduction to Research Data Management
 
Make research information come to you (video version)
Make research information come to you (video version)Make research information come to you (video version)
Make research information come to you (video version)
 
How confident are you in finding information?
How confident are you in finding information?How confident are you in finding information?
How confident are you in finding information?
 
Literature search planning template
Literature search planning templateLiterature search planning template
Literature search planning template
 
Search summary form
Search summary formSearch summary form
Search summary form
 
Planning your literature search (video version)
Planning your literature search (video version)Planning your literature search (video version)
Planning your literature search (video version)
 
Conducting your literature search (video version)
Conducting your literature search (video version)Conducting your literature search (video version)
Conducting your literature search (video version)
 
Demonstrate your impact with the h-index
Demonstrate your impact with the h-indexDemonstrate your impact with the h-index
Demonstrate your impact with the h-index
 
Don't lose credit for your research!
Don't lose credit for your research!Don't lose credit for your research!
Don't lose credit for your research!
 
Publishing in an open access journal
Publishing in an open access journalPublishing in an open access journal
Publishing in an open access journal
 
Making your research open access the green way
Making your research open access the green wayMaking your research open access the green way
Making your research open access the green way
 
Conducting your literature search
Conducting your literature search Conducting your literature search
Conducting your literature search
 
Planning your literature search
Planning your literature searchPlanning your literature search
Planning your literature search
 
Introduction to literature searching
Introduction to literature searchingIntroduction to literature searching
Introduction to literature searching
 
Visualising data
Visualising dataVisualising data
Visualising data
 

Último

Maximizing Impact_ Nonprofit Website Planning, Budgeting, and Design.pdf
Maximizing Impact_ Nonprofit Website Planning, Budgeting, and Design.pdfMaximizing Impact_ Nonprofit Website Planning, Budgeting, and Design.pdf
Maximizing Impact_ Nonprofit Website Planning, Budgeting, and Design.pdfTechSoup
 
How to Use api.constrains ( ) in Odoo 17
How to Use api.constrains ( ) in Odoo 17How to Use api.constrains ( ) in Odoo 17
How to Use api.constrains ( ) in Odoo 17Celine George
 
Diploma in Nursing Admission Test Question Solution 2023.pdf
Diploma in Nursing Admission Test Question Solution 2023.pdfDiploma in Nursing Admission Test Question Solution 2023.pdf
Diploma in Nursing Admission Test Question Solution 2023.pdfMohonDas
 
The Stolen Bacillus by Herbert George Wells
The Stolen Bacillus by Herbert George WellsThe Stolen Bacillus by Herbert George Wells
The Stolen Bacillus by Herbert George WellsEugene Lysak
 
How to Print Employee Resume in the Odoo 17
How to Print Employee Resume in the Odoo 17How to Print Employee Resume in the Odoo 17
How to Print Employee Resume in the Odoo 17Celine George
 
2024.03.23 What do successful readers do - Sandy Millin for PARK.pptx
2024.03.23 What do successful readers do - Sandy Millin for PARK.pptx2024.03.23 What do successful readers do - Sandy Millin for PARK.pptx
2024.03.23 What do successful readers do - Sandy Millin for PARK.pptxSandy Millin
 
How to Add Existing Field in One2Many Tree View in Odoo 17
How to Add Existing Field in One2Many Tree View in Odoo 17How to Add Existing Field in One2Many Tree View in Odoo 17
How to Add Existing Field in One2Many Tree View in Odoo 17Celine George
 
What is the Future of QuickBooks DeskTop?
What is the Future of QuickBooks DeskTop?What is the Future of QuickBooks DeskTop?
What is the Future of QuickBooks DeskTop?TechSoup
 
Clinical Pharmacy Introduction to Clinical Pharmacy, Concept of clinical pptx
Clinical Pharmacy  Introduction to Clinical Pharmacy, Concept of clinical pptxClinical Pharmacy  Introduction to Clinical Pharmacy, Concept of clinical pptx
Clinical Pharmacy Introduction to Clinical Pharmacy, Concept of clinical pptxraviapr7
 
AUDIENCE THEORY -- FANDOM -- JENKINS.pptx
AUDIENCE THEORY -- FANDOM -- JENKINS.pptxAUDIENCE THEORY -- FANDOM -- JENKINS.pptx
AUDIENCE THEORY -- FANDOM -- JENKINS.pptxiammrhaywood
 
Education and training program in the hospital APR.pptx
Education and training program in the hospital APR.pptxEducation and training program in the hospital APR.pptx
Education and training program in the hospital APR.pptxraviapr7
 
Benefits & Challenges of Inclusive Education
Benefits & Challenges of Inclusive EducationBenefits & Challenges of Inclusive Education
Benefits & Challenges of Inclusive EducationMJDuyan
 
The Singapore Teaching Practice document
The Singapore Teaching Practice documentThe Singapore Teaching Practice document
The Singapore Teaching Practice documentXsasf Sfdfasd
 
NOTES OF DRUGS ACTING ON NERVOUS SYSTEM .pdf
NOTES OF DRUGS ACTING ON NERVOUS SYSTEM .pdfNOTES OF DRUGS ACTING ON NERVOUS SYSTEM .pdf
NOTES OF DRUGS ACTING ON NERVOUS SYSTEM .pdfSumit Tiwari
 
3.21.24 The Origins of Black Power.pptx
3.21.24  The Origins of Black Power.pptx3.21.24  The Origins of Black Power.pptx
3.21.24 The Origins of Black Power.pptxmary850239
 
In - Vivo and In - Vitro Correlation.pptx
In - Vivo and In - Vitro Correlation.pptxIn - Vivo and In - Vitro Correlation.pptx
In - Vivo and In - Vitro Correlation.pptxAditiChauhan701637
 
Philosophy of Education and Educational Philosophy
Philosophy of Education  and Educational PhilosophyPhilosophy of Education  and Educational Philosophy
Philosophy of Education and Educational PhilosophyShuvankar Madhu
 
How to Solve Singleton Error in the Odoo 17
How to Solve Singleton Error in the  Odoo 17How to Solve Singleton Error in the  Odoo 17
How to Solve Singleton Error in the Odoo 17Celine George
 

Último (20)

Maximizing Impact_ Nonprofit Website Planning, Budgeting, and Design.pdf
Maximizing Impact_ Nonprofit Website Planning, Budgeting, and Design.pdfMaximizing Impact_ Nonprofit Website Planning, Budgeting, and Design.pdf
Maximizing Impact_ Nonprofit Website Planning, Budgeting, and Design.pdf
 
How to Use api.constrains ( ) in Odoo 17
How to Use api.constrains ( ) in Odoo 17How to Use api.constrains ( ) in Odoo 17
How to Use api.constrains ( ) in Odoo 17
 
Diploma in Nursing Admission Test Question Solution 2023.pdf
Diploma in Nursing Admission Test Question Solution 2023.pdfDiploma in Nursing Admission Test Question Solution 2023.pdf
Diploma in Nursing Admission Test Question Solution 2023.pdf
 
The Stolen Bacillus by Herbert George Wells
The Stolen Bacillus by Herbert George WellsThe Stolen Bacillus by Herbert George Wells
The Stolen Bacillus by Herbert George Wells
 
How to Print Employee Resume in the Odoo 17
How to Print Employee Resume in the Odoo 17How to Print Employee Resume in the Odoo 17
How to Print Employee Resume in the Odoo 17
 
2024.03.23 What do successful readers do - Sandy Millin for PARK.pptx
2024.03.23 What do successful readers do - Sandy Millin for PARK.pptx2024.03.23 What do successful readers do - Sandy Millin for PARK.pptx
2024.03.23 What do successful readers do - Sandy Millin for PARK.pptx
 
How to Add Existing Field in One2Many Tree View in Odoo 17
How to Add Existing Field in One2Many Tree View in Odoo 17How to Add Existing Field in One2Many Tree View in Odoo 17
How to Add Existing Field in One2Many Tree View in Odoo 17
 
What is the Future of QuickBooks DeskTop?
What is the Future of QuickBooks DeskTop?What is the Future of QuickBooks DeskTop?
What is the Future of QuickBooks DeskTop?
 
Clinical Pharmacy Introduction to Clinical Pharmacy, Concept of clinical pptx
Clinical Pharmacy  Introduction to Clinical Pharmacy, Concept of clinical pptxClinical Pharmacy  Introduction to Clinical Pharmacy, Concept of clinical pptx
Clinical Pharmacy Introduction to Clinical Pharmacy, Concept of clinical pptx
 
AUDIENCE THEORY -- FANDOM -- JENKINS.pptx
AUDIENCE THEORY -- FANDOM -- JENKINS.pptxAUDIENCE THEORY -- FANDOM -- JENKINS.pptx
AUDIENCE THEORY -- FANDOM -- JENKINS.pptx
 
Finals of Kant get Marx 2.0 : a general politics quiz
Finals of Kant get Marx 2.0 : a general politics quizFinals of Kant get Marx 2.0 : a general politics quiz
Finals of Kant get Marx 2.0 : a general politics quiz
 
Education and training program in the hospital APR.pptx
Education and training program in the hospital APR.pptxEducation and training program in the hospital APR.pptx
Education and training program in the hospital APR.pptx
 
Benefits & Challenges of Inclusive Education
Benefits & Challenges of Inclusive EducationBenefits & Challenges of Inclusive Education
Benefits & Challenges of Inclusive Education
 
The Singapore Teaching Practice document
The Singapore Teaching Practice documentThe Singapore Teaching Practice document
The Singapore Teaching Practice document
 
NOTES OF DRUGS ACTING ON NERVOUS SYSTEM .pdf
NOTES OF DRUGS ACTING ON NERVOUS SYSTEM .pdfNOTES OF DRUGS ACTING ON NERVOUS SYSTEM .pdf
NOTES OF DRUGS ACTING ON NERVOUS SYSTEM .pdf
 
3.21.24 The Origins of Black Power.pptx
3.21.24  The Origins of Black Power.pptx3.21.24  The Origins of Black Power.pptx
3.21.24 The Origins of Black Power.pptx
 
In - Vivo and In - Vitro Correlation.pptx
In - Vivo and In - Vitro Correlation.pptxIn - Vivo and In - Vitro Correlation.pptx
In - Vivo and In - Vitro Correlation.pptx
 
Personal Resilience in Project Management 2 - TV Edit 1a.pdf
Personal Resilience in Project Management 2 - TV Edit 1a.pdfPersonal Resilience in Project Management 2 - TV Edit 1a.pdf
Personal Resilience in Project Management 2 - TV Edit 1a.pdf
 
Philosophy of Education and Educational Philosophy
Philosophy of Education  and Educational PhilosophyPhilosophy of Education  and Educational Philosophy
Philosophy of Education and Educational Philosophy
 
How to Solve Singleton Error in the Odoo 17
How to Solve Singleton Error in the  Odoo 17How to Solve Singleton Error in the  Odoo 17
How to Solve Singleton Error in the Odoo 17
 

Journal impact factors: use and misuse

  • 1. www.le.ac.uk/library Journal impact factors: use and misuse Ian Rowlands University Library Research Festival 2014 Research Bytes 3
  • 2. Journal impact factors What are journal impact factors? Where can I find them? Three common pitfalls
  • 3. What are journal impact factors?
  • 5. The journal impact factor 2012 example papers published in 2010 papers published in 2011 +
  • 6. The journal impact factor 2012 example citations accrued during 2012 papers published in 2010 papers published in 2011 + ÷
  • 7. The journal impact factor 2012 example 100 citations accrued during 2012 30 papers published in 2010 20 papers published in 2011 + ÷ JIF = 100 citations / 50 papers = 2.0
  • 8. Where can I find them?
  • 9. Where can I find them?
  • 10. Journal Citation Reports Journal Citation Reports ® Thomson Reuters 2012 Immunology subject category
  • 11. Three common pitfalls 1. Don’t compare IFs across disciplines
  • 12. Don’t compare IFs across disciplines 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 History Mathematics Economics Business Polymer science Materials science Genetics and heredity Multidisciplinary sciences Mean journal impact factor (2012) Source: Thomson Reuters Journal Citation Reports
  • 13. Don’t compare IFs across disciplines 1 2 3 4 5 6 7 8 9 10 11 12 13 Citationsrecieved Years after publication Genetics Mathematics
  • 14. Don’t compare IFs across disciplines 1 2 3 4 5 6 7 8 9 10 11 12 13 Citationsrecieved Years after publication Genetics Mathematics
  • 15. Three common pitfalls 2. Take the rankings with a pinch of salt
  • 16. Take the rankings with a pinch of salt -125% -100% -75% -50% -25% 0% 25% 50% 75% 100% 125% 150% 175% 0 100 200 300 400 500 600 700 800 900 1000 Mean%changeinIF(2011on2010) Journal size (2011 articles)
  • 17. Take the rankings with a pinch of salt
  • 18. Three common pitfalls 3. Don’t judge an article by its cover
  • 19. Don’t judge an article by its cover
  • 20. Don’t judge an article by its cover top 10% of articles generate 40% of all citations …
  • 21. Don’t judge an article by its cover top 10% of articles generate 40% of all citations … … 82% of articles are `below average’
  • 22. Don’t judge an article by its cover top 10% of articles generate 40% of all citations … … 82% of articles are `below average’ Bill Gates gets on the train …
  • 23. Don’t judge an article by its cover 2.051 49.926 54.333 2.076 2.244 2008 2009 2010 2011 2012 Acta Crystallographica Section A Journal impact factor
  • 24. Summary • DO use IFs to target influential journals for reading or potential publication • DON’T compare IFs across disciplines • DON’T take the rankings too literally • DON’T confuse journal and article level metrics • DO apply common sense
  • 25. www.le.ac.uk/library TOMORROW Don’t lose credit for your research Ian Rowlands University Library Research Festival 2014 Research Bytes 4 Attenborough ATT212, 13:00-13:30