Science Explorer Interactive view Map

Michael J. O’Brien

Michael J. O’Brien publishes mostly in Paleontology, Anthropology and Sociology and Political Science, on topics such as Archaeology and ancient environmental studies, Pleistocene-Era Hominins and Archaeology and Language and cultural evolution.

World rank
#136,737
of 1,633,909 ranked researchers
Rank in United States
#57,991
of 358,040
Works
84
Citations
274
Citations per work
3.3

What does Michael J. O’Brien research?

Paleontology: 12.4%Anthropology: 12.4%Sociology and Political Science: 9.0%Cultural Studies: 7.9%other fields: 58.3%12%top field
Paleontology12.4%Anthropology12.4%Sociology and Political Science9.0%Cultural Studies7.9%other fields58.3%

Shares of their own output, by the field each of their topics belongs to. The grey slice is everything not listed.

  1. 1Paleontology12% of their works
  2. 2Anthropology12% of their works
  3. 3Sociology and Political Science9% of their works
  4. 4Cultural Studies8% of their works
  5. 5Archeology3% of their works
  6. 6Social Psychology3% of their works

Research topics

Which keywords describe Michael J. O’Brien's research?

The keywords of their largest research topics: Cultural Evolution, Agricultural Origins, Radiocarbon Dating, Hominin Genetics, Paleolithic Archaeology, Language, Social Learning and Altruism.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most.

All 17 words, with their numbers
  1. Cultural Evolution112 topics
  2. Agricultural Origins91 topic
  3. Radiocarbon Dating91 topic
  4. Hominin Genetics81 topic
  5. Paleolithic Archaeology81 topic
  6. Language71 topic
  7. Social Learning71 topic
  8. Altruism41 topic
  9. Cooperation41 topic
  10. Fragmented Objects31 topic
  11. Reconstruction31 topic
  12. Antikythera Mechanism21 topic
  13. Astronomical Calculator21 topic
  14. Conservation21 topic
  15. Environmental Movement21 topic
  16. Mammal Evolution21 topic
  17. Phylogenetic Comparative Analysis21 topic

Where does Michael J. O’Brien work?

Michael J. O’Brien's main affiliation in the publication record is University of Missouri, United States.

How many publications and citations does Michael J. O’Brien have?

Science Explorer counts 84 works and 274 citations for Michael J. O’Brien, ranking #136,737 of 1,633,909 researchers worldwide on the composite score.

Ranked on field-normalised excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Other researchers named Michael J. O’Brien

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