Introduction to science

Quality

Lubomira Tothova

tothova.lubomira@gmail.com

Outline

• Quality of scientists

• Quality of articles

• Quality of journals

• Quality

Who is a good scientist?

People – citation report

• Quality of scientific productivity

• Age

• Time and field

• Dynamic measures

• Citations classics

• Most cited papers• >100 citations

• Publish or perish• PhD• Criteria for scientists, clinicians

Scientometry

• Publication record• Current contents• Impact factor

• SCI citations• Without autocitations

• Hirsch index• H-index• Career advancement• 10, 15, 20• Dependent on age and field• Examples

Jorge E. Hirsch

Eugene Garfield

Journals – quality assessment

• General vs specialized

• Review vs original articles

• Weekly vs monthly vs annual periodicity

• IF Quartiles

• Specific for fields

• Reputation in the particular society

People – citation report

• Quality of scientific productivity

• Age

• Time and field

• Dynamic measures

• Citations classics

• Most cited papers• >100 citations

• Publish or perish• PhD• Criteria for scientists, clinicians

Clinical task

Mego M (Michal) vs. Trpaslík F (František)?

Woman with ovarian cancer

Journals – quality assessment

• General vs specialized

• Review vs original articles

• Weekly vs monthly vs annual periodicity

• IF Quartiles

• Specific for fields

• Reputation in the particular society

Impact factor

Quartiles

• Q1 the top 25% journalsin a particular category

• Q2

• Q3

• Q4

Current Contents

Journals

• Nature, Science

• Cell, PNAS

• NEJM, JAMA, Lancet, BMJ

• JCI, STM, Nature Medicine, Clinical Science

• Neoplasma, BLL, General Physiology and Biophysics, Biologia

What to read? Journals...

• CC/IF journals

• Other journals...

• Time to read?

• Wikipedia?

• My NCBI – alerts

• Combination of interdisciplinary a specialized journals

• eTOC

What to read? Articles...

• Most recent articles

• Most cited articles

• Most important articles• Journals with high IF

• Respected journals

• Some important discoveries were published in small journals

Extracellular DNA

Mandel P, Metais P. Les acides nucleiques du plasma sanguin chez l'homme. Comptes Rendus de l'Académie des Sciences Paris 1948; 142:241-243.

Who is a good doctor?

• Follow guidelines

• Read

• Be updated

Clinical task

What study will you choose?

Two clinical studies with controvesial results

Summary

• IF

• CC

• Quartile

• H-index

• Web of Science (WoS)

• Scopus