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This project explores the pedagogic uses of the British Academic Written English (BAWE) corpus of student writing, funded by the Economic and Social Research Council. It discusses accessing corpus information, building corpora, and using corpora in language pedagogy. The corpus size, representativeness, and annotation features are also considered.
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Pedagogic uses of a corpus of student writing and their implications for sampling and annotation Alois Heuboeck University of Reading, UK
The British Academic Written English (BAWE) corpus of student writing Project in progress at the universities of Reading, Warwick and Oxford Brookes Funded by the Economic and Social Research Council (project nr. RES-000-23-0800)
Outline • Corpora in LT: uses and purposes • Accessing corpus information: interfaces • Building corpora: requirements and decisions - the BAWE corpus
Using corpora in language pedagogy classroom pedagogic uses materials description “motivational” purposes “linguistic”
Interfaces (1): the concordance typical query options • word form • lemma • wildcards (e.g. “investigat*”) • grammatical (e.g. POS) • patterns
Information & interfaces (2) • Frequencies, ratios statistics • e.g. word list, key words • ad hoc statistics • macrostructural properties and choices corpus items • generic types, e.g. CARS model (Swales 1990)
Requirements: a “good corpus” for language pedagogy • Representative: target variety • Relevant: information, annotation • Usable: e.g. interface, size
Representativeness The corpus as a representative sample should reflect: Conflicting principles • distribution and quantitative relations quantitative representativeness • range of features qualitative representativeness
Representativeness (2):the BAWE corpus A trade-off: stratified sampling AH PS Frame 2: 4 disciplinary groups à 768 ass. Computer Science English History Linguistics Classics Archaeology History of Art Physics Chemistry Meteorology Mathematics Engineering Frame 1: the university: corpus Σ=3,072 ass. Frame 4: 4 levels per discipline à 32 ass. Frame 3: 4x6 disciplines à 128 ass. SS LS Biological Sciences Health & Social Care Sociology Law Business Politics Anthropology Publishing Medicine Biochemistry Agriculture Food Sciences
Relevance Relevant information in corpus Significant query Corpus annotation Features: lexicogrammatical, structural etc.
Relevance (2): features annotated in the BAWE corpus • “grammatical” • textual: structure of “running text” • typographical (lay-out) • metatextual: numbering • other “interesting” features
Corpus size “For the pedagogical analysis of many common grammatical phenomena a full-size research corpus is much too large.” (Osborne 2000) Modularity: subcorpora Specialised corpora
Conclusion: 3 views • Qualitative vs. quantitative representation corpus as representation of a (set of) target variety/varieties • Corpus annotation and interfaces: query instances of lexicogrammatical (etc.) features and phenomena • Corpus size: modularity balanced samples of target variety/varieties
Pedagogic uses of a corpus of student writing and their implications for sampling and annotation Alois Heuboeck University of Reading, UK a.heuboeck@reading.ac.uk The British Academic Written English corpus http://www.warwick.ac.uk/go/BAWE/overview