Samir Okasha

5.7k total citations · 1 hit paper
102 papers, 2.6k citations indexed

About

Samir Okasha is a scholar working on Sociology and Political Science, History and Philosophy of Science and Genetics. According to data from OpenAlex, Samir Okasha has authored 102 papers receiving a total of 2.6k indexed citations (citations by other indexed papers that have themselves been cited), including 49 papers in Sociology and Political Science, 44 papers in History and Philosophy of Science and 25 papers in Genetics. Recurrent topics in Samir Okasha's work include Evolutionary Game Theory and Cooperation (46 papers), Philosophy and History of Science (44 papers) and Evolution and Genetic Dynamics (25 papers). Samir Okasha is often cited by papers focused on Evolutionary Game Theory and Cooperation (46 papers), Philosophy and History of Science (44 papers) and Evolution and Genetic Dynamics (25 papers). Samir Okasha collaborates with scholars based in United Kingdom, India and Mexico. Samir Okasha's co-authors include Jonathan Birch, Stephan Hartmann, Henk W. de Regt, Kenneth Binmore, Heikki Helanterä, Jussi Lehtonen, Walter Bossert, Uskali Mäki, John A. Weymark and Michael Weisberg and has published in prestigious journals such as Nature, Current Biology and Philosophical Transactions of the Royal Society B Biological Sciences.

In The Last Decade

Samir Okasha

94 papers receiving 2.4k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Evolution and the Levels of Selection

2006 782 citations Samir Okasha Oxford University Press eBooks profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Samir Okasha United Kingdom	24	1.3k	846	771	418	327	102	2.6k
Robert N. Brandon United States	23	1.1k 0.8×	809 1.0×	1.1k 1.4×	330 0.8×	194 0.6×	41	2.6k
Peter Godfrey‐Smith United States	35	1.6k 1.2×	847 1.0×	1.6k 2.1×	475 1.1×	568 1.7×	118	4.7k
Elisabeth A. Lloyd United States	32	975 0.8×	376 0.4×	542 0.7×	175 0.4×	251 0.8×	77	2.9k
John Odling‐Smee United Kingdom	22	1.5k 1.1×	1.0k 1.2×	586 0.8×	539 1.3×	403 1.2×	48	4.4k
Michael Ruse United States	35	1.7k 1.3×	475 0.6×	2.1k 2.8×	200 0.5×	501 1.5×	282	4.6k
Brian Skyrms United States	33	2.4k 1.8×	596 0.7×	877 1.1×	154 0.4×	767 2.3×	140	5.2k
Kim Sterelny Australia	38	2.0k 1.6×	977 1.2×	1.4k 1.8×	571 1.4×	1.1k 3.5×	144	6.2k
Paul E. Griffiths Australia	36	1.1k 0.8×	713 0.8×	1.6k 2.0×	132 0.3×	584 1.8×	107	4.6k
Sandra D. Mitchell United States	19	376 0.3×	283 0.3×	570 0.7×	194 0.5×	150 0.5×	37	1.5k
Michael Weisberg United States	20	505 0.4×	202 0.2×	1.2k 1.5×	68 0.2×	142 0.4×	52	2.4k

Countries citing papers authored by Samir Okasha

Since Specialization

Citations

This map shows the geographic impact of Samir Okasha's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Samir Okasha with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Samir Okasha more than expected).

Fields of papers citing papers by Samir Okasha

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Samir Okasha. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Samir Okasha. The network helps show where Samir Okasha may publish in the future.

Co-authorship network of co-authors of Samir Okasha

This figure shows the co-authorship network connecting the top 25 collaborators of Samir Okasha. A scholar is included among the top collaborators of Samir Okasha based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Samir Okasha. Samir Okasha is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

1.

Hermida, Margarida & Samir Okasha. (2025). Function, chance and purpose in the biosphere: a critical examination of the Darwinized Gaia hypothesis. Philosophical Transactions of the Royal Society B Biological Sciences. 380(1931). 20240099–20240099. 2 indexed citations

2.

Okasha, Samir, et al.. (2025). Prevalence of Post-stroke Cognitive Impairment and Dementia in a Sudanese Cohort: A Single-center Retrospective Study. International Journal of Biochemistry Research & Review. 34(1). 123–133.

3.

Okasha, Samir. (2024). The Significance of Mendelism for Evolutionary Theory: A Reassessment. Cold Spring Harbor Perspectives in Biology. 17(12). a041837–a041837. 1 indexed citations

4.

Okasha, Samir. (2023). The Concept of Agent in Biology: Motivations and Meanings. Biological Theory. 19(1). 6–10. 17 indexed citations

5.

Okasha, Samir, et al.. (2022). On geometric mean fitness: a reply to Takacs and Bourrat. Biology & Philosophy. 37(5). 37–37. 4 indexed citations

6.

Okasha, Samir. (2018). Agents and Goals in Evolution. Oxford University Press eBooks. 90 indexed citations

7.

Okasha, Samir. (2015). The Relation between Kin and Multilevel Selection: An Approach Using Causal Graphs. The British Journal for the Philosophy of Science. 67(2). 435–470. 54 indexed citations

8.

Bossert, Walter, et al.. (2013). Inclusive fitness maximization: an axiomatic approach. Papyrus : Institutional Repository (Université de Montréal). 1 indexed citations

9.

Okasha, Samir, et al.. (2012). Group adaptation, formal darwinism and contextual analysis. Journal of Evolutionary Biology. 25(6). 1127–1139. 20 indexed citations

10.

Okasha, Samir. (2011). Realismo e anti-realismo.

11.

Weisberg, Michael, Samir Okasha, & Uskali Mäki. (2011). Modeling in biology and economics. Biology & Philosophy. 26(5). 613–615. 6 indexed citations

12.

Okasha, Samir. (2010). Levels of selection. Current Biology. 20(7). R306–R307. 14 indexed citations

13.

Okasha, Samir. (2010). Reply to Sober and Waters. Philosophy and Phenomenological Research. 82(1). 241–248. 14 indexed citations

14.

Okasha, Samir. (2009). Replies to my critics. Biology & Philosophy. 25(3). 425–431. 3 indexed citations

15.

Okasha, Samir. (2007). Rational Choice, Risk Aversion, And Evolution. The Journal of Philosophy. 104(5). 217–235. 22 indexed citations

16.

Okasha, Samir. (2005). Bayesianism and the Traditional Problem of Induction. Croatian Journal of Philosophy. 5(2). 1–14. 5 indexed citations

17.

Okasha, Samir. (2003). Human Nature Review 'The Levels of Selection Debate: Recent Development'. Bristol Research (University of Bristol). 2 indexed citations

18.

Okasha, Samir. (2000). The Underdetermination of Theory by Data. International Studies in the Philosophy of Science. 283–297.

19.

Okasha, Samir. (2000). Sahotra Sarkar, Genetics and Reductionism. Cambridge: Cambridge University Press, 1998, cloth £37.50, paper £13.95. ISBN: 0 521 631467 (cloth), 0521 63713 9 (paper).. The British Journal for the Philosophy of Science. 51(1). 181–185. 2 indexed citations

20.

Okasha, Samir. (2000). The underdetermination of theory by data and the “strong programme” in the sociology of knowledge. International Studies in the Philosophy of Science. 14(3). 283–297. 14 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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