Thursday, 11 December 2025

Do men and women pitch science proposals differently, and does it matter for funding outcomes?

If male academics and female academics write academic papers and grant proposals differently, does that lead to different outcomes by gender? Past studies have worried about whether grant funding decisions are affected by gender bias (see here, for example), and differences in writing style may contribute to that. However, the article I discussed in this post from earlier this year concluded that there was little evidence of bias in grant funding, at least since 2000 in the US.

Nevertheless, I thought it would be interesting to read this 2020 article by Julian Kolev (Southern Methodist University), Yuly Fuentes-Medel, and Fiona Murray (both MIT), published in the journal AEA Papers and Proceedings (ungated here), because it not only looks at the grant funding decisions, but also at writing style. Kolev et al. focus on grant applications submitted to the Bill and Melinda Gates Foundation and the National Institutes of Health (NIH) over the period from 2008 to 2016. The sample includes 6931 Gates Foundation applications and 12,589 NIH applications.

Kolev et al. first subject the applications to textual analysis to the abstract of each application, evaluating the positivity of the text (and the extent to which the word "novel" is used), the readability (using the Flesch reading ease score), concreteness of the language (as opposed to abstractness), and three measures of how narrow or broad the abstract is. In this textual analysis, they find that:

...female applicants are less likely to present their research using positive vocabulary, they are more likely to write with high readability, and they prefer concrete language. Moving to our final three measures, we find an interesting dichotomy: even as female applicants use fewer broad words and more narrow words in their abstracts, we find that their research is characterized by lower MeSH concentrations, meaning that they cover a wider range of medical subjects in their work, at least within the NIH sample. Effect sizes are relatively small: the impact of gender ranges from approximately 0.04 to 0.08 standard deviations for our significant effects.

So, there are small but statistically significant differences in writing style between male academics and female academics in these funding proposal abstracts. Does that translate into differences in outcome? Kolev et al. test for whether the measures of writing style correlate with funding outcome, while controlling for:

...calendar time and application topic fixed effects, controls for total word count and the count of relevant words for dictionary-based metrics, and applicant publication history and gender.

In this analysis, Kolev et al. find that:

For Gates applicants, high levels of concreteness tend to improve the odds of funding; by contrast, at the NIH, we find a strong positive impact for MeSH concentration and marginal effects for both broad and narrow words.

So, the evidence is weak that writing style matters, or that writing style differences between the genders affect the success of funding applications. However, not so fast. There is a key problem with this analysis. If you read the quote above about the control variables in this second analysis, you may note that they control for gender. That might sound sensible, but if you're wanting to evaluate whether writing style differences between the genders affect funding outcomes, you don't want to control for both writing style and gender. What Kolev et al. have actually tested is whether writing style differences within each gender affect funding application outcomes, finding that they don't. As an example, their analysis doesn't answer the question of whether readability differences between male and female academics affect funding outcomes, it answers the question of whether readability differences matter overall (which it appears they don't), controlling for the average difference in funding outcomes between men and women. Those are quite different questions.

In other words, we probably want to know whether style mediates the effect of gender on funding outcomes, but this analysis doesn't do that. Instead, they should either run the analysis with gender as the main explanatory variable, then add the style variables and see if the coefficient on the gender variable shrinks, or run the analysis with interactions between gender and the style variables.

The results are, on the one hand, surprising. Quality of writing should matter. Stylistic differences should matter less. However, the quality of the proposed research should matter even more than the quality or style of writing. And this study wasn't even evaluating the quality or style of all of the writing (or the quality of the proposed research), only the style of writing in the abstract for the proposal. That, along with the issue with the second analysis above, make this paper of limited use for understanding whether there is a gender difference in funding outcomes (and, if there is, whether writing style differences contribute to the difference). The difference in writing style is an interesting result in itself, but we need to know more.

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