Figures 3-5 in the article give the medians for final, initial and medial schwas and the distribution of 50% of the data around each of these medians for the White and Older Black control groups, using the methods (linear mixed-effects regression runs in R) outlined in the article.

See separate pages for each environment:

1. Final schwa

2. Initial schwa

3. Medial schwa (with sub-groups)