**Data files:**
*control_data.csv*
Acoustic measurements of control speakers (L1 Mandarin)
*subject_5000.txt, subject_5500.txt, subject_6000.txt*
Acoustic measurements of experimental participants (L1 English), subdivided by LPC settings used for formant extraction in Praat
*subject_data.csv*
Contains information about participants' age, scores on predictor measures (auditory, somatosensory, phonological awareness), and training condition (biofeedback type, vowel order, control speaker). Contains no identifiers.
*subjs_E.csv*
Acoustic measurements of experimental participants' productions in English, used to compare variability across L1 and L2
Scripts corresponding with data files:
*YUS_results_FINAL_for_release.Rmd*
Placing this file and data files in the same directory, setting path to that directory, and knitting the document should result in a reproduction of the results reported in this study.