Transactional Analysis Abbreviations
| COC | Commission of Certification (Europe) |
| CTA* | Certified Transactional Analyst* |
| EATA | European Association for Transactional Analysis |
| IBOC | International Board of Certification (ITAA) |
| ITAA | International Transactional Analysis Association |
| PSC | Professional Standards Committee (ITAA) |
| PTSC | Professional Training Standards Committee (Europe) |
| PTSTA* | Provisional Teaching and Supervising Transactional Analyst* |
| STA* | Supervising Transactional Analyst* |
| TA | Transactional Analysis |
| TA 101 | Basic introductory course in transactional analysis |
| TAB | Transactional Analysis Bulletin |
| TACC | Transactional Analysis Certification Council |
| TAJ | Transactional Analysis Journal |
| TEW | Training Endorsement Workshop |
| TSTA* | Teaching and Supervising Transactional Analyst* |
| TTA* | Teaching Transactional Analyst* |
* These credentials are always followed by abbreviations for ‘Counseling’ (C), ‘Education’ (E), ‘Organizational’ (O), and/or ‘Psychotherapy’ (P)–for example, CTA-P, TSTA-O, STA-C, TTA-E, etc.