The Writing of Research Article Introductions

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Abstract
Introductions to research articles (RAs) have become an important site for the analysis of academic writing. However, analysts have apparently not considered whether RA introductions typically include statements of principal findings. In contrast, this issue is often addressed in the manuals and style guides surveyed, most advocating the desirability of announcing principal findings (APFs) in RA introductions. Therefore, a study of actual practice in two leading journals from two different fields (physics and educational psychology) was undertaken. In the Physical Review 45% of the introductions sampled contained APFs (with some increase in percentage over the last 40 years), while in the Journal of Educational Psychology the percentage fell to under 7%. These figures are at variance with the general trend of recommendations in primary and secondary sources. Thus preliminary evidence points to (a) a mismatch between descriptive practice and prescriptive advice and (b) diversity in this rhetorical feature between the two fields.