Expertise Group
1 = Novice
2 = Expert
3 = Trained

Age Group
1 = Young
2 = Old
9 = Expert

Sex of Subject
1 = Females
2 = Males

Experimental Group
1 = Young Novices
2 = Young Trainees
3 = Experts
4 = Old Novices
5 = Old Trainees

Training Group
1 = Trained
2 = Untrained