This study analyzed the use of acknowledgements in medical articles published in five countries (Venezuela, Spain, France, UK and USA) from 1950 to 2010. For each country, we selected 54 papers (18 research papers, 18 reviews and 18 case reports), evenly distributed over six decades, from two medical journals with the highest impact factors. Only papers written by native speakers in the national language were included. The evolution of the frequency and length of acknowledgments was analyzed. Of 270 articles studied, 127 (47%) had acknowledgments. The presence of acknowledgments was associated with country (p = 0.001), this section being more common and longer in US and UK journals. Acknowledgments were most common in research papers (70 vs. 40% in case reports and 31% in reviews, p < 0.001). Reviews without acknowledgments were significantly more common than those with (69 vs. 31%), but there was no trend in case reports. Altogether, articles with acknowledgments predominated only after 2000. Since the frequency of use of acknowledgments remained stable over time in US and UK journals but increased in non-Anglophone journals, the overall increase is attributed to the change in non-English publications. Authors acknowledged sub-authorship more in English language journals than in those published in the national language in France, Spain and Venezuela. However, the practice of acknowledging is increasing in non-Anglophone journals. We conclude that the concept of intellectual indebtedness does not only differ from one geographical context to another, but also over time and from one academic genre to another.
Atkinson, D 1999 Scientific discourse in sociohistorical context: The philosophical transactions of the royal society of London. 1675–1975 Erlbaum Mahwah, NJ.
Banks, D 2005 The case of Perrin and Thompson: An example of the use of a mini corpus. English for Specific Purposes 24 2 201–213 .
Barton, D, Hamilton, M 1998 Local literacies: Reading and writing in one community Routledge London.
Bazerman, C 1988 Shaping written knowledge University of Wisconsin Press Madison.
Bazerman, C 1994 Constructing experience Southern Illinois University Press Carbondale.
Belcher, D 2005 Editorial. English for Specific Purposes 14:119–121 .
Ben-Ari, E 1987 On acknowledgments in ethnographies. Journal of Anthropological Research 43 1 63–84.
Bennett, DM, Taylor, D 2003 Unethical practices in authorship of scientific papers. Emergency Medicine 15 3 263–270 .
Bhopal, R, Rankin, J, McColl, E 1997 The vexed question of authorship: Views of researchers in a British medical faculty. British Medical Journal 314:1009–1012.
Budden, A 2010 Diversity begets diversity: An analysis of relationship between author, reviewer, and editor populations. European Science Editing 36 2 31–34.
Burgess, S 2002 Packed houses and intimate gatherings: Audience and rhetorical structure J Flowerdew CN Candlin eds. Academic discourse Longman London 197–215.
Carameli, B, Rocha e Silva, M 2010 Brazilian medical journals are now facing a big challenge. European Science Editing 36 2 38–39.
Connor, U 2004 Intercultural rhetoric research: Beyond texts. Journal of English for Academic Purposes, Special issue on Contrastive Rhetoric in EAP 3 4 291–305 .
Cronin, B 1995 The Scolar's courtesy. The role of acknowledgments in the primary communication process Taylor Graham Los Angeles.
Cronin, B 2005 The hand of science: Academic writing and its rewards Scarecrow Press Lanham, MD.
Cronin, B, Franks, S 2006 Trading cultures: Resources mobilization and service rendering in the life sciences as revealed in the journal articles'paratext. Journal of the American Society for Information Science and Technology 57 14 1909–1918 .
Cronin, B, McKenzie, G, Rubio, L 1993 The norms of acknowledgments in four humanities and social sciences disciplines. Journal of Documentation 49 1 29–43 .
Cronin, B, McKenzie, G, Stifler, L 1992 Patterns of acknowledgments. Journal of Documentation 48 2 107–122 .
Cronin, B, Overfelt, K 1994 The Scholar's courtesy: A survey of acknowledgment behavior. The Journal of Documentation 50 3 165–196 .
Cronin, B, Shaw, D K La Barre 2003 A cast of thousands: Coauthorship and subauthorship collaboration in the 20th century as manifested in the scholarly journal literature of Psychology and Philosophy. Journal of the American Society for Information Science and Technology 54 9 160–168 .
Cronin, B, Shaw, D K La Barre 2004 Visible, less visible and invisible: Patterns of collaboration in 20th century chemistry. Journal of the American Society for Information Science and Technology 55 2 160–168 .
Curry, MJ, Lillis, T 2004 Multilingual scholars and the imperative to publish in English: Negotiating interests, demands and rewards. TESOL Quarterly 38 4 663–688 .
D De Faoite 2010 Guest authorship: How common is it and what are the reasons behind it?. The Write Stuff 19 1 32–34.
Edge, D 1979 Quantitative measures of communication in science. History of Science 19:102–134.
Fiore, K. (2009). Study finds less ghost authorship, critics ask why. Med-page Today. Retrieved from http://www.medpagetoday.com/MeetingCoverage/PRC/15921.
Flowerdew, L 2005 An integration of corpus-based and genre-based approach to text analysis in EAP/ESP: Countering criticisms against corpus-based methodologies. English for Specific Purposes 25 3 321–332 .
Genette, G 1997 Palimpsests: Literature in the second degree University of Nebraska Press Lincoln.
Gesuato, S. (2003). Thanking in writing: The case of Ph.D dissertation acknowledgments. In Paper presented at the 8th international pragmatics conference in Toronto (pp. 13–18).
Gesuato, S. (2004). Acknowledgments in Ph.D dissertation: The complexity of thanking. In T. Torsello, C. Busà, M. Grazia, & S. Gesuato (eds.), Lingua Inglese e Mediazione Linguistica. Ricerca e Didattica con Supporto Telematico (pp. 273–318). Padova: Unipress.
Giannoni, DS 1998 The genre of journal acknowledgments: Findings of a cross-disciplinary investigation. Linguistica e Filología 6:61–84.
Giannoni, DS 2002 Worlds of gratitude: A contrastive study of acknowledgment texts in English and Italian research articles. Applied Linguistics 23 1 1–31 .
Giannoni, D.S. (2005). Evaluation in academic book acknowledgements (Bas) across texts and disciplines. In Paper presented at the XV European Symposium on Languages for Specific Purposes, Bergamo, Italy, August 29-September 2.
Giannoni, DS 2006 Book acknowledgments across disciplines and texts K Hyland M Bondi eds. Academic discourse across disciplines Peter Lang Bern 151–175.
Giannoni, DS 2006 Evidence of generic tension in academic book acknowledgments V Bhatia M Gotti eds. Explorations in specialized genres Peter Lang Bern 21–42.
Giles, C. L., & Councill, I. G. (2004). Who gets acknowledged: Measuring scientific contributions through automatic acknowledgment indexing. In Proceedings of the national academy of science, 101(51), pp. 17599–17604.
Goffman, E 1959 The Presentation of self in everyday life Doubleday New York.
Gómez, I, Sancho, R, Bordons, M, Fernández, MT 2006 La I+D en España a través de sus publicaciones y patentes J Sebastián E Muñoz eds. Radiografía de la investigación pública Biblioteca Nueva Madrid 275–302.
Graf, C, Battisti, WP, Bridges, D, Bruce-Winkler, V, Conaty, JM, Ellison, JM, Field, EA, Gurr, JA, Marx, ME, Patel, M, Sanes-Miller, C, Yarker, YE 2009 International society for medical publication professionals. Research methods and reporting. Good publication practice for communicating company-sponsored medical research: The GPP2 guidelines. British Medical Journal 339:b4330 .
Heffner, AG 1979 Authorship recognition of subordinates in collaborative research. Social Studies of Science 12:535–558.
Hirano, E 2009 Research article introductions in English for specific purposes: A comparison between Brazilian and English. English for Specific Purposes 28 4 240–250 .
Hyland, K. (2003). Dissertation acknowledgments: The anatomy of a Cinderella genre. Written Communication, 20 (3), 242–268.
Hyland, K 2004 Graduates’ gratitude: The generic structure of dissertation acknowledgments. English for Specific Purposes 23 3 303–324 .
Hyland, K., & Tse, P. (2004). I would like to thank my supervisor. Acknowledgements in graduate dissertations. International Journal of Applied Linguistics, 25 (2), 156–177.
Ilakovac, V, Fister, K, Marusic, M, Marusic, A 2007 Reliability of disclosure forms of authors’ contributions. Canadian Medical Association Journal 176:41–46 .
International Committee of Medical Journal Editors (2006). Uniform requirements for manuscript submitted to biomedical journals: Writing and editing for biomedical publications. Retrieved from www.icmje.org.
Jubb, M 2010 Acknowledging the funders of research. European Science Editing 36 2 40.
Kapoor, VK 1995 Polyauthoritis giftosa. The Lancet 346:1039 .
Kassirer, J, Angell, M 1991 On authorship and acknowledgment. The New England Journal of Medicine 325 21 1510–1512 .
Laband, DN, Tollison, RD 2000 Intellectual collaboration. Journal of Political Economy 108 3 632–662 .
Lettrilliart, L, Schott, AM 2007 Rédiger et publier un article de recherche en médecine générale. La Revue du Praticien 21 774/775 629–632.
Louis, KS, Holdsworth, JM, Anderson, MS, Campbell, EG 2008 Everyday ethics in research: Translating authorship guidelines into practice in the bench sciences. Journal of Higher Education 709:88–112 .
Lysenko, V 2007 Inaccessible science literature in Eastern Europe. European Science Editing 33 1 10–13.
Mackintosh, K. A. (1972). Acknowledgment patterns in sociology. Unpublished PhD Dissertation. Oregon.
Martin Martin, P 2003 A genre analysis of English and Spanish research paper abstracts in experimental social sciences. English for Specific Purposes 22:25–43 .
Marusic, A, Marusic, M 2010 A contribution to the authorship debate: Can we trust definitions and declarations. The Write Stuff 19 1 14–17.
McCain, KW 1991 Communication, competition and secrecy: The production and dissemination of research-related information on genetics. Science, Technologies and Human Values 16 4 491–516 .
Meyer, C. F. (2006). An interview with Charles F. Meyer by Mª Carmen Pérez-Llantada Auría, M. C. IBÉRICA, 12, 145–157.
Modi, P, Hassan, A, Teng, J, Chitwood, WR 2008 How many cardiac surgeons does it take to write a research article? Seventy years of authorship proliferation and internationalization in the cardiothoracic surgical literature. The Journal of Thoracic and Cardiovascular Surgery 136:4–6 .
Moreno, AI 2008 The importance of comparable corpora in cross-cultural studies U Connor E Nagelhout W Rozycki eds. Contrastive rhetoric: Reaching to intercultural rhetoric John Benjamins Amsterdam 25–41.
Moreno, AI 2010 Researching into english for research publication purposes from an applied intercultural perspective MF Ruiz Garrido JC Palmer Silveira I Fortanet-Gómez eds. English for professional and academic purposes Rodopi Amsterdam/New York 57–71.
Mullins, NC 1973 Theories and theory groups in American sociology Harper and Row New York.
Mur Dueñas, P 2007 I/we focus on…: A cross-cultural analysis of self-mentions in business management research articles. Journal of English for Academic Purposes 6:143–162 .
Patel, N 1973 Collaboration in the professional growth of American sociology. Social Science Information 12 6 77–92.
Pelderman, AKS 2007 Keep your hands off our impact factor. European Science Editing 33 4 98–99.
Pignatelli, B, Maisonneuve, H, Chapuis, F 2005 Authorship ignorance: Views of researchers in French clinical settings. Journal of Medical Ethics 31:578–581 .
Reyes, H., Jacard, M., & Herskovic, V. (2001). Authorship in a medical journal from a developing country. Retrieved October 22, 2007, from http://www.ama-ssn.org/public/peer/prc_program2001.htm.
Salager-Meyer, F, Alcaraz Ariza, MÁ, Pabón Berbesí, B 2009 Backstage solidarity in Spanish- and English-written medical research papers: Publication context and the acknowledgment paratext. Journal of the American Association of Information Science and Technology 60 2 307–317 .
Salager-Meyer, F, Alcaraz Ariza, MÁ, Pabón Berbesí, M, Zambrano, N 2006 Paying one's intellectual debt: Acknowledgments in conventional vs. complementary/alternative medical research M Gotti F Salager-Meyer eds. Advances in medical discourse analysis: Oral and written contexts Peter Lang Bern 407–430.
Salager-Meyer, F, Alcaraz Ariza, MÁ, Zambrano, N 2003 The scimitar, the dagger and the glove: Intercultural differences in the rhetoric of criticism in Spanish, French and English medical discourse (1930–1995). English for Specific Purposes 22:223–247 .
Salita, J 2010 Authorship practices in Asian cultures. The Write Stuff 19 1 36–39.
Sheldon, E 2009 From one I to another: Discursive construction of self-representation in English and Castilian Spanish research articles. English for Specific Purposes 28:251–265 .
Smith, R. (2009). The beginning of the end for impact factors and journals. BMJ Group blogs. Retrieved from http://blogs.bmj.com/bmj/2009/11/02/richard-smith-thebeginning-of-the-end-for-impact-factor-and-of-journals.
Swales, JM 2004 Research genres. Explorations and applications Cambridge University Press Cambridge.
Valero-Garcés, C 1996 Contrastive ESP rhetoric: Metatext in Spanish-English economics texts. English for Specific Purposes 15:279–293 .
S van Bonn Swales, JM 2007 English and French journal abstracts in the language sciences: Three exploratory studies. Journal of English for Academic Purposes 6:93–108 .
PJ van Diest Holzel, H, Burnett, D, Croker, J 2001 Impactitis: New cures for an old disease. Journal of Clinical Pathology 54:817–819.
Wager, E 2007 Authors, ghosts, damned lies and statisticians. PLoS Medicine 4 1 e34 .
Whenhui, L., Shouchu, Q., & Yue, Q. (2001). Authorship of published medical papers in three Chinese medical journals. Retrieved October 22, 2007, from http://www.ama-assn.org/public/peer/prc_program2001.htm.
Wood, A 2001 International scientific English: The language of research scientists around the world J Flowerdew M Peacock eds. Research perspectives on English for academic purposes Cambridge University Press Cambridge 71–83.
Zore-Armanda, M 2005 The science citation index and Europe: A point of view. European Science Editing 31 3 83.