While both approaches are based on behavioral science, they differ significantly in their delivery and structure:
- Traditional Discrete Trial Training (DTT): This method is typically adult-directed and involves highly structured, clinical exercises. It often uses repetitious “drill-and-practice” formats, frequently conducted at a table-top, to teach specific skills.
- Naturalistic ABA (NDBI): Unlike traditional drills, naturalistic developmental behavioral interventions (NDBI) are child-led and play-based. Learning is embedded within motivating, child-initiated activities—such as playing with toys or sharing a snack—rather than clinical drills.
Key differences include:
- Setting: Naturalistic ABA takes place in everyday environments like the home, using daily routines (such as mealtime or getting dressed) as therapeutic moments.
- Reinforcement: While traditional methods may use external rewards, naturalistic approaches use natural reinforcers that relate directly to the activity at hand.
- Focus: Models like Pivotal Response Treatment (PRT) and the Early Start Denver Model (ESDM) focus on pivotal areas—such as motivation and social initiation—to ensure skills carry over into real-life situations.
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