Insights into the relationship between the h-index and self-citations

نویسندگان

  • Ernesto Gianoli
  • Marco A. Molina-Montenegro
چکیده

We analyze the publication output of 119 Chilean ecologists and find strong evidence that self-citations significantly affect the h-index increase. Furthermore, we show that the relationship between the increase in the h-index and the proportion of self-citations differs between high and low h-index researchers. In particular, our results show that it is in the low h-index group where self-citations cause the greater impact.

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

New insights into the relationship between the h-index and self-citations?

Sir, Within the last decades, the increase in the number of researchers in the scientific community has led to an increase in the number of funding and tenure decisions that have to be made. It is therefore a necessity to find simple yet objective measures to compare the scientific achievement of researchers. Hirsch’s h (2005) has been claimed to have these attributes because it incorporates bo...

متن کامل

بررسی میزان همبستگی خوداستنادی و شاخص ‌آنی مجله‌های علمی- پژوهشی انگلیسی زبان ایرانی حوزه پزشکی نمایه شده در نمایه نامه استنادی اسکوپوس در فاصله سال های 2009-2005 

Background and Aim: Self-citation, as one of the limitations of citation analysis, unusually affects the ranking of journals. This study aims to evaluate the degree of relationship between self-citation and immediacy index correlation of Iranian medical journals indexed in Scopus Citation Index between 2005 and 2009. Materials and Methods: The method of the study is survey-descriptive in which...

متن کامل

بررسی شاخص هرش (H-index) در دانشگاه علوم پزشکی رفسنجان در سال 1394

Background and Objectives: There are some indices for scientometrics including counting the number of scientific publications and the number of citations to these publications. Hirsch Index(H-index)is widely accepted for scientometrics because it has both qualitative and quantitative components for scientometrics. This study evaluated the scientific outputs of faculty members of Rafsanjan Unive...

متن کامل

Critical to the H-index as a criterion for evaluation at universities

The use of scientometric indicators to evaluate scholar articles and scientist in academic settings is one of the most challenging topics.(1) These indicators can be influenced by diverse and different factors, including the context in which the assessment activity is performed to measure the productivity and publications of the scientist or scholar. One of these indicators, which is currently...

متن کامل

O-Index as a New Assessment Index for Citations

Background and purpose: There are some strengths and weaknesses in current indicators of scientometrics. This study aimed to present a new index of scientometrics in evaluating scientific output of Iranian medical journals. Materials and methods: This exploratory analytical study was done with a scientometric approach in scientific output of 108 medical science journals indexed in Scopus and 6...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

عنوان ژورنال:
  • JASIST

دوره 60  شماره 

صفحات  -

تاریخ انتشار 2009