Meaning of column entries in individual data files, by column number

 COL    MEANING 
  1     subject number
  2     string repetition number (1-4)
  3     condition code 1 (1=random+doub,2=hier,3=repeat,4=alternate,6=THE)
  4     condition code 2 Number of hands
  5     condition code 3 Number of doublets (0,1)
  6     condition code 4 Length (n = 2,3,4,5,6,8,16))
  7     condition code 5 Starting hand (1=L,2=R)
  8     condition code 6 Ser pos of doublet or control letter,
           or nonrepeated pair in n=6 hierarchy, or T in THE
  9     condition code 7 doublet letter (1-4=t,s,k,l) or 2HPQsequence
  10    condition code 8 Stimulus set (1-12) (each sub uses two)
  11    first interstroke interval (IST)
  . . . . . . . . . . 
 11+n-2 last interstroke interval
  26    latency (time between signal and first stroke)
  27    letter sequence