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Compiling and Analyzing Your Own Learner Corpus

Compiling and Analyzing Your Own Learner Corpus. Xiaofei Lu CALPER 2012 Summer Workshop July 17, 2012. Agenda. Sample teaching- and research-oriented corpus projects Learner corpus project lab. 2. General questions teachers may ask. Samples from same students at different times

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Compiling and Analyzing Your Own Learner Corpus

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  1. Compiling and Analyzing Your Own Learner Corpus Xiaofei Lu CALPER 2012 Summer Workshop July 17, 2012

  2. Agenda Sample teaching- and research-oriented corpus projects Learner corpus project lab 2

  3. General questions teachers may ask Samples from same students at different times Did (targeted) language development take place? Was a particular pedagogical intervention effective? Samples from different students What areas do students show different levels of development? What factors affect students’ language development? 3

  4. More concrete questions Frequency of usage: Are my students using X? How many of them are using X? How often? How many are not using X? Accuracy: Are they using X appropriately? What difficulties exist? Function, diversity: Are they using X in diverse ways for diverse purposes? Are new usages emerging? Is there evidence of improvement over time? Did intervention help? 4

  5. L2 Chinese Written Corpus in GOLD (teaching/research) Corpus overview Data, metadata, word segmentation, compilation Frequency list What English words are used in writing in Chinese? Sample structures of interest CALPERLEX on le 了, the perfective aspectual marker Learner errors concerning the ba 把construction 得 as infix (position 2, length 4) Numeral classifiers (Zhang & Lu, under review) 5

  6. Spanish OPI Corpus in GOLD (research) Corpus overview Data, metadata, compilation Distribution and discourse functions of pragmatic markers pues and bueno between “full” and “fail” groups (Lu, Julieta & Appel, under review) Frequency of use [statistical analysis] Discourse functions [qualitative analysis + statistical analysis] 6

  7. Kibbitzers (teaching/research) MICASE Kibbitzers Check out hyperboles, among or between Tim John’s Kibbitzers Check out Kibbitzer 21: reason to v. reason for More CALPERLEX entries 7

  8. More sample research projects Granger (2003): Error-tagged learner corpora and CALL (Error annotation and AntConc style analysis) Reinhardt (2010): Directives in office hour consultations (MICASE & AntConc style analysis) Lu (2011, 2012): Lexical and syntactic complexity analysis (learner corpus and computational analysis) Crossley & McNamara (2009): Lexical differences in L1 & L2 writing (ICLE & Coh-Metrix) What other/similar projects can you envisage? More projects: MICASE-based, LINDSEI-based, UCL CECL team 8

  9. Learner corpus project lab • Compilation and annotation • Compile a learner corpus with relevant metadata (or use this dataset) • Perform one (or more) specific, useful type(s) of annotation of interest to you on (a good part of) the corpus • Keep a version of your (partially) annotated corpus for analysis using AntConc and/or other tools (how would you organize it?) • Format the corpus for GOLD and upload it there • Exploration • Explore your corpus and its annotations using GOLD and/or AntConc • Identify a few potential areas for analysis (e.g., for assessing/comparing/understanding student performance/progress/challenges) • Think about pedagogy, assessment, and/or research

  10. Learner corpus project lab • Analysis • Use GOLD, AntConc and/or other tools to perform quantitative and/or qualitative analyses of your corpus • Use a reference (native, expert) corpus for comparative purposes if necessary • Document results of your analysis

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