Scholarly Metrics

Tahirah Akbar-Williams, Mark Cyzyk, Robin Sinn

The Sheridan Libraries

Johns Hopkins University

Introduction

What are scholarly metrics? Why are they important? Our history of scholarly metrics

presentations

Journal Metrics

The crucial importance of the citation Journal impact factors Journal Citation Reports (JCR) Eigenfactor.org

Article Metrics

Citation counts Traditional Value neutral Database dependent

Different Databases, Different Counts

Web of Science

Google ScholarScopus

Newer Article Metrics

Views Downloads Shares Twitter mentions Blog mentions

Author Metrics

Author impact factors, H-Indexes, etc. Google Scholar Web of Science

AThe Author• Tracking the impact of

your work

• --Who is citing your work

• --How influential is your work

• Our platforms are not exhaustive

• -journals vs. the web

• H-Index-

• --H- index 20 means you have 20 items that have been cited at least 20 times

• Researcher ID

• --Establish your distinguish ID

gGoogle Scholar

Web of Science

Alt Metrics Quantifying social media citation Immediacy Impact or Popularity?

The SPARC Chart

Disciplinary Differences The Sciences The Social Sciences The Humanities

Conclusion

The Limitations: No database is global; disciplinary differences; different metrics yield different numbers!

What librarians should be doing with scholarly metrics

Our LibGuide:

http://guides.library.jhu.edu/metrics