| Abbreviation | Definition |
|---|---|
| HPD | Histrionic Personality Disorder |
| HPO | Health Psychology Open |
| HPSI | Holden Psychological Screening Inventory |
| HPsyD | Doctorate of Holistic Psychology |
| HRSD | Hamilton rating scale for depression |
| HSS | Holocaust Survivor Syndrome |
| HTA | High Trait Anger |
| HVPA | Hudson Valley Psychological Association |
| HW | Hocker Wilmot |
| I | Idiosyncratic |
| IA | Inequality Aversion |
| IAAP | Indian Academy of Applied Psychology |
| IAAP | International Association for Analytical Psychology |
| IAAP | International Association of Analytical Psychology |
| IAAP | International Association of Applied Psychology |
| IACCP | International Association for Cross Cultural Psychology |
| IACE | Individual Adverse Childhood Experience |
| IACP | International Association for Cognitive Psychotherapy |
| IAFP | International Academy of Family Psychology |
| IAHB | Institute for the Advancement of Human Behavior |