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New Evidence on the Relative Scholarly Productivity of Male versus Female Political Scientists

Published online by Cambridge University Press:  18 July 2022

Kim Quaile Hill
Affiliation:
Texas A&M University, USA
Patricia A. Hurley
Affiliation:
Texas A&M University, USA
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Abstract

Considerable research finds that male political scientists publish more research on average than do female political scientists. Yet the reasons for this difference are not entirely clear. Those findings may also overestimate the relative productivity of men because they do not account for the longer time that more men have been in the profession and thus have been publishing longer than women. For a prominent survey dataset of political scientists, we demonstrate notable cohort differences in the research productivity of both men and women across time. Our results also indicate that the overall greater productivity of men results in part from senior women scholars not generally enjoying the same benefits of long tenure on their research output as men do.

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© The Author(s), 2022. Published by Cambridge University Press on behalf of the American Political Science Association

Numerous analyses of many academic disciplines indicate that men publish more scholarly work on average than women. Yet we claim that some of the causes for this disparity are not well understood. We examine some of the reasons why and provide new evidence on how distinctive career challenges women, and especially senior women, can face may account for the differences in the long-term research productivity of men versus women.

Numerous analyses for many academic disciplines indicate that men publish more scholarly work on average than women.

Three principal ways of comparing men’s and women’s publications have been used in research on political scientists. First, Djupe and coauthors (Reference Djupe, Hill, Smith and Sokhey2020) and Hesli and Lee (Reference Hesli and Lee2011) compare the scholarly output of men and women scholars in single-time-point cross-sectional surveys of members of the profession. Second, work like that of Teele and Thelen (Reference Teele and Thelen2017) compares the representation of male and female authors of papers in leading journals in the profession for select time periods. Third, Hill (Reference Hill2021) compares career publications for men and women in the same two-year cohort of new PhDs in the field.

Each method of comparison provides evidence that men publish more than women, although such evidence is mixed in Hill (Reference Hill2021). Each method also suggests valuable criteria for comparing women’s general scholarly output to that of men. Teele and Thelen, as one example, profitably compare women’s publication rates to their representation in the discipline or in subfields of the discipline. Each method also suggests ways to investigate the causes of male–female publication differences. Djupe, Smith, and Sokhey (Reference Djupe, Smith and Sokhey2019), for example, build on Teele and Thelen’s findings by exploring gender-specific article submission practices. In addition, the multivariate analytic models that use dummy predictor variables for gender in the studies by Djupe and coauthors (Reference Djupe, Hill, Smith and Sokhey2020) and Hesli and Lee (Reference Hesli and Lee2011) would support tests of hypotheses about factors that especially disadvantage women scholars and have not been systematically tested to date.

Kim and Grofman (Reference Kim and Grofman2019b, 689), however, pose a caution about inferences from most of the preceding research. They argue that gender comparisons of research productivity should control for the year when individual scholars earned their PhDs. Otherwise, such measures may be biased against women because there are more men in the profession and more men who have been publishing over a longer period. One could, then, interpret time in the profession to have a gender-neutral effect. Thus, as more women enjoy longer careers, their research output would increase, just as has been the case with men. Yet, some of the research on career challenges women face casts doubt on whether this gender-neutral effect will occur, at least as a generalization about all women’s careers.

Considerable research has explored various challenges for the professional success of female political scientists, ranging most notably from receiving less professional mentoring in graduate school, to the “leaky pipeline” problem, the dual burden of family and career demands, and often facing a “chilly climate” in their home departments (e.g., APSA 2005). Recent research documents how such challenges continue to impede the professional success of women scholars (e.g., Alter et al. Reference Alter, Clipperton, Schraudenbach and Rozier2020, esp. 1048–51; APSA 2022).

Yet a close reading of the relevant research indicates that many of these challenges continue or even worsen for senior women scholars over time. Senior women would, of course, continue to experience, just like their untenured colleagues, sexually challenging or “chilly” department climates where they are present. And Mitchell and Hesli (Reference Mitchell and Hesli2013) and Monroe and coauthors (Reference Monroe, Ozyurt, Wrigley and Alexander2008) demonstrate that senior female political scientists do more service than male ones, but not the type of service that would advance their research or careers generally. Indeed, in Monroe and coauthors’ (Reference Monroe, Ozyurt, Wrigley and Alexander2008, 219) study, female respondents observed that holding a significant leadership position in the university often “would devalue or minimize it somewhat, casting it into a service mode, not the power mode.” Similarly, Alter and coauthors (Reference Alter, Clipperton, Schraudenbach and Rozier2020) demonstrate that women political scientists in general take on more service and “caretaking” but not leadership roles in the profession at large in comparison to men.

We know of no direct evidence that connects these challenges for senior female scholars to their research productivity. Suggestive evidence, however, comes from Hill (Reference Hill2021), who found that male faculty in the two most highly productive categories of scholars from the 1998–99 cohort had notably more Web of Science reported publications and citations than women in those two categories. Further, although Kim and Grofman (Reference Kim and Grofman2019b) did not investigate the time-in-rank and productivity linkage, they found that, controlling for time in the profession, male political scientists were more likely to earn the rank of professor than women. Using an event-history analysis, Fox and Gaughan (Reference Fox and Gaughan2021) demonstrate the same finding for several physical sciences and mathematics. And the 2022 APSA Task Force Report on Systematic Inequality in the Profession provides contemporary evidence that the time to promotion from associate professor to professor is “significantly longer” for women than men. The findings in these latter three publications could be a product of women having a more difficult time sustaining a research career that enables promotion to the rank of professor. Thus, time in the profession may not have a generally gender-neutral effect. The evidence for that conclusion, however, is not as strong as desirable. We provide the first systematic evidence for how time in the profession is related to the research productivity of male and female political scientists.

OUR DATA, RESEARCH DESIGN, AND THE STRENGTHS AND WEAKNESSES OF THE DESIGN

We compare the numbers of self-reported publications of male and female political scientists who were respondents for a 2009 survey of APSA members that was implemented by the APSA Committee on the Status of Women with APSA support. Hesli and Lee (Reference Hesli and Lee2011, 405–7) present the first published research based on these data; it describes key features of the sampling plan, survey instrument, and resultant sample of respondents. Although this dataset is from 2009, original research from Alter and coauthors (Reference Alter, Clipperton, Schraudenbach and Rozier2020) and from several other recent studies they cite indicates that the professional challenges many female political scientists face today are comparable to those at that earlier date. Thus, those challenges are generalizable across time—as should be the patterns we uncover in the 2009 data for time in the profession, research productivity, and related variables.

We consider only the publications of respondents who taught in a PhD-granting department because of the distinctive expectations for research and resources to support research in those departments—as do Masuoka, Grofman, and Feld (Reference Masuoka, Grofman and Feld2007) and Kim and Grofman (Reference Kim and Grofman2019a, Reference Kim and Grofman2019b). We verified that 435 respondents from the full survey dataset of 1,399 respondents were employed in PhD departments at the time of the survey. The key variables for our analyses are the gender of the respondents, the year they earned their doctoral degrees, and their reported publications. We also replaced a notable amount of missing data on the first two variables by using procedures comparable to those of Kim and Grofman (Reference Kim and Grofman2019b) and Teele and Thelen (Reference Teele and Thelen2017, 434), as explained in our online Methods Appendix. Following Masuoka, Grofman, and Feld (Reference Masuoka, Grofman and Feld2007) and Kim and Grofman (Reference Kim and Grofman2019a, Reference Kim and Grofman2019b) we divided our respondents into five-year cohorts by date of doctoral degree. These cohorts cover the time span from 1959 through 2010.

This research design and dataset have several strengths. Hesli and Lee (Reference Hesli and Lee2011, 405–6) demonstrate that the survey has good representation by gender and academic rank compared to the membership of the APSA in PhD departments. Studies of publications in selected journals have not demonstrated how their samples of publishing scholars relate to the universe of all relevant scholars, nor have they distinguished temporal cohorts of those with such publications. Yet Kim and Grofman (Reference Kim and Grofman2019a, Reference Kim and Grofman2019b) report valuable analyses for temporal cohorts in the “top 400” cited members of this profession, as well as follow-up analyses for all the faculty in PhD departments in 2002 and 2017.

We first report analyses for journal article publications, the most widely used measure of productivity: it can be operationally defined in various ways but is also commonly labeled as the most important single indicator of research output (e.g., Djupe et al. Reference Djupe, Hill, Smith and Sokhey2020, 2285; Djupe, Smith, and Sokhey Reference Djupe, Smith and Sokhey2019, 73; Teele and Thelen Reference Teele and Thelen2017, 433–34). The second dependent variable is the sum of published journal articles, book chapters, edited books, and research books. For most respondents, journal articles represent about 90% of the total published materials. Yet a sizable number of respondents have far more book and chapter publications than journal articles. Thus, the second measure offers a more complete accounting of output, and because book and book chapter publications are of particular importance in some research subfields, it should provide a more equitable representation of research output across fields.

Existing theoretical expectations, which may not be widely appreciated, however, are that the numbers of published books and book chapters are gender neutral. Because of length limitations for this article, we explicate these expectations and provide empirical analyses that verify them in the online Methods Appendix. Only longer time in the profession and more departmental resources that support research activities are associated with a higher number of book and book chapter publications.

There are some limitations in our data. For many cohorts we have small samples of respondents, especially of women; that circumstance limits the multivariate analyses that we can conduct. The self-reported publication data here could also be subject to over- or underreporting that we cannot assess. We have not uncovered research on misrepresentation of “professionally desirable” information by gender, but Ansolabehere and Hersh (Reference Ansolabehere and Hersh2012) demonstrate that male respondents in mass public election surveys are more like to overreport being registered voters and voting than do women. Thus, we indicate how self-reported publications might be affected by such overreporting if it followed the pattern for political behavior in the mass public.

RESEARCH PUBLICATIONS BY TEMPORAL COHORTS BY YEARS FOR EARNING DOCTORAL DEGREES AND GENDER

Table 1 presents average numbers of total publications and article publications by male and female political scientists separated into cohorts by the year in which they earned their PhDs. The numbers of women are small in the cohorts before 1986–90. That circumstance and the notable increase in women in the later cohorts comport with a sizable increase in doctoral degrees awarded in the discipline, especially for women, since the second half of the 1980s (APSA 2005, 3). Thus, the trends in the numbers of women, and of men too, across time in the table are further testimony to the representativeness of these data.

Table 1 Self-Reported Numbers of Publications by Men and Women

a Cell entries are means, minimum value, and maximum value.

b Two tied for the highest score.

c Two tied for the highest score

d Two tied for the highest score.

e Three tied for the highest score.

In the full dataset—as shown in the first row of table 1—there are notable gender gaps in the numbers of publications, with men reporting about twice the number of publications as women in all the comparisons there. Those data confirm Kim and Grofman’s concern (Reference Kim and Grofman2019a, Reference Kim and Grofman2019b) about time in the profession by gender. We do not have much leverage over the possibility of over- or under-reporting of publications by gender because we know of no work directly comparable to that concern. Yet Ansolabehere and Hersh (Reference Ansolabehere and Hersh2012, 457) show that women in the mass public were about 10% less likely than men to report having voted when they had been validated as not voting. It is difficult to extrapolate from that evidence to our data, but even if men’s publications were on average overreported by 10%, there would still be a notable male advantage in publications in the first row of table 1.

The patterns of relative publications by gender differ somewhat across the 10 cohorts.

In the first five cohorts (1959–65 through 1981–85), the number of women is notably small in all but one, with no women at all in the first cohort. In two of the four cohorts with women (1971–75 and 1981–85) there is a large gender gap in publication numbers, but both have a very small number of women. In the other two cohorts with women (1966–70 and 1976–80), there are only small gaps in the publication numbers. The 1966–70 cohort has a small number of women, one of whom was particularly productive, especially in the all-publications category. The 1976–80 cohort includes a much larger number of women than the others.

Overall, in the three early cohorts with women, the men are notably more productive by one or both measures. Even though there are only modest numbers of women in these early cohorts and there is some individual variation in the output of both men and women, men evidently benefit more from the effect of long tenure on research productivity. This circumstance suggests time in the profession does not have a gender-neutral effect on research productivity.

The later five cohorts include much larger numbers of women, ranging from 17 in the 1986–90 cohort to 27 in the 2001–5 group. In only one of these cohorts (1996–2000) does the gender gap in publications resemble the larger ones observed in the earlier cohorts, with men reporting about twice as many publications as women. There is some gap in the 1986–90 and 2001–5 groups and a small gap in the 1991–95 cohort. The gap widens for the youngest scholars (those in the 2006–10 cohort), but the numbers of publications for both men and women in this group are small, and their short time in the profession at the date of the survey suggests caution in reading too much into this result. Further, none of these later cohorts can inform us about how time in the profession will affect men or women over their careers.

In sum, table 1 reveals several kinds of variation in productivity. There is, first, a cohort effect of more publications associated with more time in the profession, but men especially benefit from this effect. That finding is compatible with the evidence cited earlier that senior women often face professional challenges that limit the possible beneficial effect of long tenure on their research output. All senior women are not evidently disadvantaged in this way, but most seem to be. There is also individual-level variation across cohorts for both men and women that is especially notable for highly productive individuals, most of whom are men. Finally, from 1986 on, women appear to be getting more competitive. Yet the latter circumstance does not indicate how the research careers of faculty in those cohorts will prosper over time.

There is, first, a cohort effect of more publications associated with more time in the profession, but men especially benefit from this effect.

THE EFFECT OF TIME IN THE PROFESSION ON THE GENDER GAP IN PUBLICATIONS

It would be useful to know the independent effect of time in the profession on the differences in men’s and women’s productivity. There are not many women with long tenure in our data; yet if long tenure had any positive effect on women’s productivity, even one that did not generalize to all women, then we might uncover this effect in a multivariate analysis. We can estimate the magnitude of this effect with the use of a “conventional” multiple regression analysis of the determinants of productivity. The label “conventional” means it employs predictor variables common in existing research of this kind (e.g., Djupe et al. Reference Djupe, Hill, Smith and Sokhey2020; Hesli and Lee Reference Hesli and Lee2011).

Table 2 presents OLS regression analyses to assess whether time in the profession reduces the magnitude of the negative association of female gender with productivity. For each of the two dependent variables, we present a model without and with the measure of time in the profession: these four models generally replicate the major findings in Hesli and Lee (Reference Hesli and Lee2011) and are the product of a series of preceding exploratory models. The modest differences from those in Hesli and Lee’s models likely arise because we are analyzing only faculty in PhD-granting departments, instead of all the respondents in the survey.

Table 2 Effect of Female Gender on Research Productivity Controlling for Time in the Profession

* p < 0.05 in a one-tailed test.

Compatible with the concern raised by Kim and Grofman (Reference Kim and Grofman2019b, 689), the coefficients on the gender variable are reduced about 20% in the two models that include the measure of time in the profession compared to the same coefficients in the other two models. This is, at best, a modest reduction that could indicate that some women’s research programs benefit from long tenure. Yet because the coefficients for gender in the models that include time in the profession are within the 95% confidence intervals for the coefficients in the other two models, even this modest reduction may be in doubt. Thus, the bulk of the estimated negative effect of female gender must be the result of causal factors acting on individual women or subsets of women, or on individual men or subsets of men, that are not accounted for by time in the profession or this kind of conventional model.

CONCLUSIONS

Our results in both tables 1 and 2, using important measures of research output, indicate that even after taking account of time in the profession, men remain generally more productive than women. Some female scholars evidently reap the benefits of long tenure for their research programs, yet those benefits are more common for men than women. Thus, the positive effects of long tenure are not gender neutral.

Our results also suggest that the divergence in productivity by gender especially exists among senior faculty, compatible with expectations from evidence on the service and other distinctive career and family burdens senior women can face.

Our results also suggest that the divergence in productivity by gender exists especially among senior faculty, compatible with expectations based on evidence on the service and other distinctive career and family burdens that senior women can face. Thus, future research might most profitably investigate the specific causes of that divergence. What burdens and challenges most compromise the research programs of senior women, and how might they be reduced?

DATA AVAILABILITY STATEMENT

Research documentation and data that support the findings of this study are openly available at the PS: Political Science & Politics Harvard Dataverse at https://doi.org/10.7910/DVN/RL3GLH.

Supplementary Materials

To view supplementary material for this article, please visit http://doi.org/10.1017/S1049096522000683.

CONFLICTS OF INTEREST

The authors declare no ethical issues or conflicts of interest in this research.

References

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Table 1 Self-Reported Numbers of Publications by Men and Women

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Table 2 Effect of Female Gender on Research Productivity Controlling for Time in the Profession

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