ScienceDirect - English for Specific Purposes : The use of higher level metatext in Ph.D theses: "This article investigates the way in which 13 Hong Kong research students use metatext to orient and guide their readers through their Ph.D theses. It uses a corpus of over 3000 pages and 0.6 million words. It proposes that the level of metatextual references can be determined by their scope (i.e. the amount of text referred to) and by the distance over which they operate. It argues that higher level metatextual references (i.e. referring to larger amounts of text or operating over greater distances) play a more powerful role in text cohesion and coherence than lower level ones (i.e. referring to smaller amounts of text or operating over shorter distances), especially in long texts.
The article reports on the extent to which the 13 Ph.D writers use higher level metatext, at chapter or thesis levels, keeping the reader in touch with how the current subject matter relates to the text as a whole. It finds that there is considerable variation in the proportion of each thesis that is taken up with chapter and thesis level metatext, ranging from 2–16.5%, and some inconsistency in the way student writers use it, particularly at chapter level."
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