Columns Codes

1. Subject Number
2. Trial Number
3. Block Number
4. Trial in Block
5. Set Size Index 0=1, 1=3, 2=6
6. Set Size 1,3, or 6
7. Position of target (0 to 7)
8. Studied Angle 
9. Judged Angle
10-19, Position and angle of other elements in the array, if shown (angle of 0 if not shown).