SUMMARY DATA FOR SUBJECT ABC1 - REVERSAL LEARNING TTC = Trials to criterion COM = Commission Errors OM = Omission Errors PRC = Practice REV = Reversal TEX = Practice Extinction EXT = Extinction PHASE TTC COM OM 1(PRC) 11 1 1 2(REV) 10 1 0 3(REV) 11 1 1 4(REV) 10 0 1 5(REV) 15 4 0 6(TEX) 10 0 0 7(EXT) 18 6 0 Total Trials 85 Total Commission Errors 13 Total Omission Errors 3 Number of Reversals Within 30 trials after Phase 2 2