You can find here:

README.txt - this file

data-and-analysis/ 
  dataNPnormal.txt  - Experiment 1 data
  dataNPaddMask.txt - Experiment 2 data
  analysis.R        - R file analyzing data

neighborly-dmdx/
  standard/CB0{1,2,3,4,5,6}.rtf - DMDX files of 6 counterbalancing lists of Expt. 1
  extra-mask/CB0{1,2,3,4,5,6}.rtf - DMDX files of 6 counterbalancing lists of Expt. 2

modeling/
  README.txt - contents of modeling/ are detailed here
  ...

data-and-analysis.zip - a ZIP of the data-and-analysis directory
neighborly-dmdx.zip   - a ZIP of the neighborly-dmdx directory
modeling.zip          - a ZIP of the modeling directory