Appendix B — Corpus Data
B.1 Textbook English Corpus (TEC)
A detailed tabular overview of the composition of the Textbook English Corpus (TEC) together with the full bibliographic metadata is available at doi.org/10.5281/zenodo.4922819.
Note that, for copyright reasons, the corpus itself cannot be published. If you are interested in using the corpus for non-commercial research purposes and/or in a potential research collaboration, please get in touch with me via e-mail.
B.2 Reference corpora
B.2.1 Spoken BNC2014
The original corpus files of the Spoken British National Corpus (BNC) 2014 (Love et al. 2017; Love et al. 2019) can be downloaded for free for research purposes from: http://corpora.lancs.ac.uk/bnc2014/signup.php. I used the untagged XML version.
The R script used to pre-process the untagged XML files into the format used in this study (the “John and Jill in Ivybridge” version with added full stops at speaker turns, as explained in Section 4.3.2.2 of the book) can be found here: https://github.com/elenlefoll/TextbookEnglish/blob/main/3_Data/BNCspoken_nomark-up_JackJill.R
B.2.2 Informative Texts for Teens Corpus (Info Teens)
For copyright reasons, the corpus itself cannot be made available. Details of its composition can be found in Section 4.3.2.5 of the book. If you are interested in using this corpus for non-commercial research purposes and/or in a potential research collaboration, please get in touch with me via e-mail.
B.2.3 Youth Fiction corpus
For copyright reasons, the corpus itself cannot be made available. The corresponding metadata can be found here: https://github.com/elenlefoll/TextbookEnglish/blob/main/3_Data/3_Youth_Fiction_Index.csv. If you are interested in using this corpus for non-commercial research purposes and/or in a potential research collaboration, please get in touch with me via e-mail.