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Author: search.filters.author.Thelwall, M.Geographical Area: search.filters.geographical.USA

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  • Item type:Publication,
    Greater female first author citation advantages do not associate with reduced or reducing gender disparities in academia Open PDF 
    (2020)
    Thelwall, M.
    ;
    Sud, P.
    Ongoing problems attracting women into many Science, Technology, Engineering and Mathematics (STEM) subjects have many potential explanations. This article investigates whether the possible undercitation of women associates with lower proportions of, or increases in, women in a subject. It uses six million articles published in 1996–2012 across up to 331 fields in six mainly English-speaking countries: Australia, Canada, Ireland, New Zealand, the United Kingdom and the United States. The proportion of female first-and last-authored articles in each year was calculated and 4,968 regressions were run to detect first-author gender advantages in field normalized article citations. The proportion of female first authors in each field correlated highly between countries and the female first-author citation advantages derived from the regressions correlated moderately to strongly between countries, so both are relatively field specific. There was a weak tendency in the United States and New Zealand for female citation advantages to be stronger in fields with fewer women, after excluding small fields, but there was no other association evidence. There was no evidence of female citation advantages or disadvantages to be a cause or effect of changes in the proportions of women in a field for any country. Inappropriate uses of career-level citations are a likelier source of gender inequities. © 2020 Mike Thelwall and Pardeep Sud. Published under a Creative Commons Attribution 4.0 International (CC BY 4.0) license.
  • Item type:Publication,
    Small female citation advantages for US journal articles in medicine Open PDF 
    (2022)
    Thelwall, M.
    ;
    Maflahi, N.
    Female under-representation continues in senior roles within academic medicine, potentially influenced by a perception that female research has less citation impact. This article provides systematic evidence of (a) female participation rates from the perspective of published journal articles in 46 Scopus medical subject categories 1996–2018 and (b) gender differences in citation rates 1996–2014. The results show female proportion increases 1996–2018 in all fields and a female majority of first-authored articles in two-fifths of categories, but substantial differences between fields. A paper is 7.3 times more likely to have a female first author in Obstetrics and Gynaecology than in Orthopaedics and Sports Medicine. Only three fields had a female last author majority by 2018, a probable side effect of ongoing problems with appointing female leaders. Female first-authored research tended to be more cited than male first-authored research in most fields (59%), although with a maximum difference of only 5.1% (log-transformed normalised citations). In contrast, male last-authored research tends to be more cited than female last-authored research, perhaps due to cases where a senior male has attracted substantial funding for a project. These differences increase if team sizes are not accounted for in the calculations. Since female first-authored research is cited slightly more than male first-authored research, properly analysed bibliometric data considering career gaps should not disadvantage female candidates for senior roles. © The Author(s) 2020.
  • Item type:Publication,
    A gender equality paradox in academic publishing: Countries with a higher proportion of female first-authored journal articles have larger first-author gender disparities between fields Open PDF 
    (2020)
    Thelwall, M.
    ;
    Mas-Bleda, A.
    Current attempts to address the shortfall of female researchers in science, technology, engineering, and mathematics (STEM) have not yet succeeded, despite other academic subjects having female majorities. This article investigates the extent to which gender disparities are subject-wide or nation-specific by a first-author gender comparison of 30 million articles from all 27 Scopus broad fields within the 31 countries with the most Scopus-indexed articles 2014–2018. The results show overall and geocultural patterns as well as individual national differences. Almost half of the subjects were always more male (seven; e.g., Mathematics) or always more female (six; e.g., Immunology & Microbiology) than the national average. A strong overall trend (Spearman correlation 0.546) is for countries with a higher proportion of female first-authored research to also have larger differences in gender disparities between fields (correlation 0.314 for gender ratios). This confirms the international gender equality paradox previously found for degree subject choices: Increased gender equality overall associates with moderately greater gender differentiation between subjects. This is consistent with previous United States-based claims that gender differences in academic careers are partly due to (socially constrained) gender differences in personal preferences. Radical solutions may therefore be needed for some STEM subjects to overcome gender disparities. © 2020 Mike Thelwall and Amalia Mas-Bleda. Published under a Creative Commons Attribution 4.0 International (CC BY 4.0) license.
  • Item type:Publication,
    No evidence of citation bias as a determinant of STEM gender disparities in US biochemistry, genetics and molecular biology research Open PDF 
    (2019)
    Thelwall, M.
    ;
    Nevill, T.
    The lack of females in many Science Technology, Engineering and Mathematics (STEM) subjects in the USA is an ongoing concern, with many initiatives attempting to redress this imbalance. Some life sciences are apparently areas of relatively good practice, with higher proportions of female researchers than most other STEM subjects. This paper assesses gender differences in research contributions to 14 biochemistry, genetics or molecular biology specialisms in the USA 1996–2014/8, seeking evidence of trends in publishing and citation impact that may give insights into female success. With four exceptions (biochemistry, biophysics, biotechnology, and structural biology), the fields achieved or maintained at least 40% female first authors by 2018, with developmental biology and endocrinology both attaining female first author majorities. A regression analysis found close to gender parity overall in citation impact but a small male first author citation advantage in more fields than the opposite: an up to 3% increase in logged citation ratio to the world mean. This was partly due to males first authoring with larger teams. Fields with relatively many females did not favour female-led research with more citations, however. © 2019, Akadémiai Kiadó, Budapest, Hungary.
  • Item type:Publication,
    Do females create higher impact research? Scopus citations and Mendeley readers for articles from five countries Open PDF 
    (2018)
    Thelwall, M.
    There are known gender imbalances in participation in scientific fields, from female dominance of nursing to male dominance of mathematics. It is not clear whether there is also a citation imbalance, with some claiming that male-authored research tends to be more cited. No previous study has assessed gender differences in the readers of academic research on a large scale, however. In response, this article assesses whether there are gender differences in the average citations and/or Mendeley readers of academic publications. Field normalised logged Scopus citations and Mendeley readers from mid-2018 for articles published in 2014 were investigated for articles with first authors from India, Spain, Turkey, the UK and the USA in up to 251 fields with at least 50 male and female authors. Although female-authored research is less cited in Turkey (-4.0%) and India (-3.6%), it is marginally more cited in Spain (0.4%), the UK (0.4%), and the USA (0.2%). Female-authored research has fewer Mendeley readers in India (-1.1%) but more in Spain (1.4%), Turkey (1.1%), the UK (2.7%) and the USA (3.0%). Thus, whilst there may be little practical gender difference in citation impact in countries with mature science systems, the higher female readership impact suggests a wider audience for female-authored research. The results also show that the conclusions from a gender analysis depend on the field normalisation method. A theoretically informed decision must therefore be made about which normalisation to use. The results also suggest that arithmetic mean-based field normalisation is favourable to males. © 2018 Elsevier Ltd. All rights reserved.
  • Item type:Publication,
    Gender differences in research areas, methods and topics: Can people and thing orientations explain the results? Open PDF 
    (2019)
    Thelwall, M.
    ;
    Bailey, C.
    ;
    Tobin, C.
    ;
    Bradshaw, N.-A.
    Although the gender gap in academia has narrowed, females are underrepresented within some fields in the USA. Prior research suggests that the imbalances between science, technology, engineering and mathematics fields may be partly due to greater male interest in things and greater female interest in people, or to off-putting masculine cultures in some disciplines. To seek more detailed insights across all subjects, this article compares practising US male and female researchers between and within 285 narrow Scopus fields inside 26 broad fields from their first-authored articles published in 2017. The comparison is based on publishing fields and the words used in article titles, abstracts, and keywords. The results cannot be fully explained by the people/thing dimensions. Exceptions include greater female interest in veterinary science and cell biology and greater male interest in abstraction, patients, and power/control fields, such as politics and law. These may be due to other factors, such as the ability of a career to provide status or social impact or the availability of alternative careers. As a possible side effect of the partial people/thing relationship, females are more likely to use exploratory and qualitative methods and males are more likely to use quantitative methods. The results suggest that the necessary steps of eliminating explicit and implicit gender bias in academia are insufficient and might be complemented by measures to make fields more attractive to minority genders. © 2018 Elsevier Ltd. All rights reserved.
  • Item type:Publication,
    Author gender differences in psychology citation impact 1996–2018 Open PDF 
    (2020)
    Thelwall, M.
    Academic psychology in the USA is a gender success story in terms of overturning its early male dominance but there are still relatively few senior female psychology researchers. To assess whether there are gender differences in citation impact that might help to explain either of these trends, this study investigates psychology articles since 1996. Seven out of eight Scopus psychology categories had a majority of female first-authored journal articles by 2018. From regression analyses of first and last author gender and team size, female first authors associate with a slightly higher average citation impact, but extra authors have a 10 times stronger association with higher average citation impact. Last author gender has little association with citation impact. Female first authors are more likely to be in larger teams and if team size is attributed to the first author's work, then their apparent influence of female first authors on citation impact doubles. While gender differences in average citation impact are too small to account for gender-related trends in academic psychology, they warn that male-dominated citation-based ranking lists of psychologists do not reflect the state of psychology research today. © 2019 International Union of Psychological Science
  • Item type:Publication,
    Gender differences in citation impact for 27 fields and six english-speaking countries 1996–2014 Open PDF 
    (2020)
    Thelwall, M.
    Initiatives addressing the lack of women in many academic fields, and the general lack of senior women, need to be informed about the causes of any gender differences that may affect career progression, including citation impact. Previous research about gender differences in journal article citation impact has found the direction of any difference to vary by country and field, but has usually avoided discussions of the magnitude and wider significance of any differences and has not been systematic in terms of fields and/or time. This study investigates differences in citation impact between male and female first-authored research for 27 broad fields and six large English-speaking countries (Australia, Canada, Ireland, New Zealand, the UK, and the USA) from 1996 to 2014. The results show an overall female first author citation advantage, although in most broad fields it is reversed in all countries for some years. International differences include Medicine having a female first author citation advantage for all years in Australia, but a male citation advantage for most years in Canada. There was no general trend for the gender difference to increase or decrease over time. The average effect size is small, however, and unlikely to have a substantial influence on overall gender differences in researcher careers. © 2020 Mike Thelwall. Published under a Creative Commons Attribution 4.0 International (CC BY 4.0) license.