The compressed file, DataTextFiles.zip, contains participants data associated with the journal paper:
The development of audio-visual integration for temporal judgements.
Wendy J Adams
PLOS Computational Biology.

Each text file in the folder contains data from one human participant. 
There are 72 participants, each with their own datafile.

Within each datafile, the subject’s age is given in months, for all child participants, or the participant is identified as an adult. 

This is followed by data for each experimental trial:
 
Trial Number (the trial number)
Trial Type (whether the observer reported the number of beeps or the number of flashes)
Number of flashes (the true number of visual flashes)
Number of beeps (the true number of visual flashes)
Response (the number of flashes or beeps reported by the participant. 

Full experimental details are available in the published manuscript. 
The study was approved by the ethics panel at the University of Southampton,
ERGO number 9784