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ABA Abbreviations
Common ABA Abbreviations and Acronyms
| Term | Definition |
|---|---|
| UR | Unconditioned Response |
| VD | Variable Duration |
| VI | Variable Interval |
| VR | Variable Ratio |
| FR | Fixed Ration |
| FI | Fixed Interval |
| FD | Fixed Duration |
| SD | Discriminative Stimulus |
| CER | Conditioned Emotional Response |
| NS | Neutral Stimulus |
| DTT | Discrete Trial Training |
| PRT | Pivotal Response Training |
| VB | Verbal Behavior |
| AO | Abolishing Operation |
| EO | Establishing Operation |
| MO | Motivating Operation |
| NET | Natural Environment Teaching |
| IT | Intensive Teaching |
| CS | Conditioned Stimulus |
| CR | Conditioned Response |
| DRD | Differential Reinforcement of Diminishing Rates of Responding |
| FCT | Functional Communication Training |
| IOA | Interobserver Agreement |
| IRT | Interresponse Time |
| ITI | Intertrial interval |
| SIB | Self-injurious Behavior |
| IOR | Interobserver Reliability |
| MSWO | Multiple Stimulus without replacement |
| CRF | Continuous Reinforcement Schedule |
| DRC | Differential Reinforcement of Communication |
| DRNA | Differential Negative Reinforcement of Alternative Behaviors |
| ATD | Alternating Treatment Designs |
| BST | Behavioral Skills Training |
| US | Unconditioned Stimulus |
| ABC | Antecedents Behaviors Consequence |
| S-R-S | Stimulus, Response, Stimulus |
| Sr+ | Positive Reinforcement, Type I Reinforcement |
| Sr- | Negative Reinforcement, Type II Reinforcement |
| UCP | Unconditioned Punishers |
| EXT | Extinction |
| DRL | Differential Reinforcement of Low Rates of Behavior |
| DRH | Differential Reinforcement of High Rates of Behavior |
| DRA | Differential Reinforcement of Alternative Behavior |
| DRI | Differential Reinforcement of Incompatible Behavior |
| DRO | Differential Reinforcement of Other Behavior |
| DRC | Differential Reinforcement of Communicative Behavior |
| LH | Limited Hold |
| conc | Concurrent Schedules of Reinforcement |
| mult | Multiple Schedules of Reinforcement |
| mix | Mix Schedules of Reinforcement |
| tand | Tandem Schedules of Reinforcement |
| alt | Alternative Schedules of Reinforcement |
| conj | Conjunctive Schedules of Reinforcement |
| chain | Chained Schedules of Reinforcement |
| FBA | Functional Behavior Assessment |
| FA | Functional Analysis |
| A-B-A-B or B-A-B | Reversal Designs |
| CMO-T | Transitive motivative operations |
| CMO-R | Reflexive motivative operation |