| name | early-intensive-intervention |
| description | Use when designing or evaluating early intensive behavioral intervention (EIBI) programs for young children with autism, including curriculum domains, intensity recommendations, and transition planning. |
Early Intensive Behavioral Intervention (EIBI)
EIBI is a comprehensive ABA treatment model for young children with autism spectrum disorder. It is one of the most researched and supported intervention approaches for ASD, with evidence of significant gains in cognitive, language, adaptive, and social functioning when delivered with fidelity.
Defining Characteristics
Early Start
- Intervention begins as early as possible, ideally before age 3–4.
- Research consistently shows better outcomes with earlier onset of treatment.
- The developing brain is most plastic during the first 5 years, making early intervention a critical window.
- Early diagnosis (18–24 months is now feasible) allows earlier treatment entry.
Intensive Hours
- Typically 25–40 hours per week of structured ABA intervention.
- Research base supports 25+ hours for comprehensive EIBI (Lovaas, 1987; Eldevik et al., 2009).
- Hours include direct 1:1 therapy, naturalistic teaching, social interaction, and caregiver-implemented strategies.
- Not all hours are table-based discrete trial training—a comprehensive program includes multiple modalities.
Comprehensive Curriculum
- Addresses all major developmental domains, not just isolated skills.
- Programming is individualized based on assessment results (VB-MAPP, ABLLS-R, or equivalent).
- Curriculum is sequenced developmentally and adjusted based on ongoing data.
Individualized Programming
- Every child's program is different based on their assessment profile, learning style, and family priorities.
- Programs are not "one size fits all" packages—cookie-cutter approaches violate the individualization principle.
- Data-driven decision making adjusts programs weekly or more frequently.
1:1 or Small Group Delivery
- Begin with 1:1 instruction to establish foundational learning skills.
- Transition to small group (1:2, 1:3) as the child develops group readiness skills (attending, waiting, responding in turn).
- Group instruction builds social skills and prepares for less intensive settings (preschool, kindergarten).
Historical Context
Lovaas (1987) Study
- Landmark study: 19 children receiving 40 hours/week of intensive ABA for 2+ years.
- 47% achieved "normal functioning" (IQ in normal range, placed in regular education).
- Control groups receiving <10 hours or no treatment showed significantly less improvement.
- Criticized for methodological limitations (non-random assignment, IQ as primary outcome) but catalyzed the field.
Evolution Since Lovaas
- Modern EIBI incorporates naturalistic teaching strategies (NET), verbal behavior approaches, and social skills programming alongside DTT.
- Increased emphasis on family involvement and quality of life outcomes beyond IQ.
- Recognition that not all children respond equally—predictors of response include pre-treatment skills, rate of learning, and treatment integrity.
Curriculum Domains
Language and Communication
- Manding (requesting): Foundational skill—teaches the child that communication produces outcomes.
- Tacting (labeling): Naming objects, actions, properties in the environment.
- Intraverbal: Conversational responses, answering questions, fill-in-the-blank.
- Echoic: Vocal imitation—a prerequisite for vocal language development.
- Listener responding: Following instructions, receptive identification.
- AAC: Augmentative and alternative communication for pre-vocal or minimally vocal learners (PECS, SGD).
Social Skills
- Joint attention: following and initiating shared focus.
- Social referencing: looking to others for information.
- Turn-taking and sharing.
- Cooperative play.
- Peer interaction: initiating, responding, maintaining.
- Emotion recognition and expression.
Adaptive and Self-Help Skills
- Toilet training.
- Self-feeding: utensil use, cup drinking, food tolerance.
- Dressing: putting on/removing clothing, fasteners.
- Hygiene: handwashing, teeth brushing, bathing.
- Safety skills: responding to name, stopping, danger awareness.
Academic Readiness
- Pre-academic skills: matching, sorting, sequencing.
- Pre-literacy: letter recognition, phonemic awareness, name writing.
- Pre-math: counting, number recognition, one-to-one correspondence.
- Attending to group instruction: sitting in a group, following group directions.
Play Skills
- Independent play: engaging with toys functionally and for sustained periods.
- Symbolic/pretend play: using objects representatively, creating narratives.
- Cooperative play with peers.
- Leisure skills: activities the child can engage in independently for recreation.
Behavior Reduction
- Functional behavior assessment to identify the function of problem behaviors.
- Function-based interventions: FCT, DRA, antecedent interventions.
- Replacement behaviors that serve the same function as the problem behavior.
- Proactive strategies to prevent problem behavior from occurring.
Evidence Base
Meta-Analyses
| Study | Finding |
|---|
| Eldevik et al. (2009) | Large effect sizes for EIBI on IQ and adaptive behavior vs. comparison groups |
| Virués-Ortega (2010) | Significant effects on language, social, and daily living skills |
| Reichow et al. (2012) | EIBI improves cognitive and adaptive outcomes for children with ASD |
| Howard et al. (2014) | Intensive ABA outperformed eclectic programs on all measured outcomes |
Long-Term Outcomes
- Some children who receive EIBI achieve typical educational placement and independence.
- Others make significant but not normalizing gains—improvements in adaptive functioning, communication, and quality of life are valuable in their own right.
- Predictors of stronger response: higher pre-treatment skills (especially language), faster initial learning rate, earlier start, and higher treatment integrity.
Determining Recommended Hours
Factors to Consider
- Severity of skill deficits: More severe deficits generally warrant more hours.
- Number of treatment targets: More targets require more programming time.
- Learning rate: Children who acquire skills more slowly may benefit from more hours to reach the same goals.
- Family resources and schedule: Practical constraints affect what is feasible.
- Research base: Evidence supports 25–40 hours for comprehensive EIBI, but individualization is key.
- Payer guidelines: Insurance companies may have hour caps; clinical documentation should support the requested hours.
Dose-Response Relationship
- Linstead et al. (2017) found a positive dose-response relationship: more hours of ABA were associated with greater gains in all domains.
- Diminishing returns may occur at the highest intensities for some children.
- Hours should be adjusted over time based on the child's progress—not set at one level permanently.
Transition Planning
From EIBI to Less Intensive Services
Transition occurs when:
- The child has mastered foundational skills and is ready for a less intensive model.
- The child is entering a school setting that provides appropriate support.
- Data show maintenance of skills at reduced service levels.
Transition Process
- Assess readiness: Does the child have the prerequisite skills for the receiving environment (group instruction, independence, safety)?
- Gradual reduction: Decrease hours incrementally while monitoring data.
- Environmental preparation: Visit the new setting, meet teachers, adapt materials.
- Overlap period: Maintain some ABA support during the initial transition period.
- Consultation: BCBA consults with the school team to ensure skill maintenance.
- Follow-up: Scheduled check-ins and maintenance probes after transition.
School Readiness Skills
Skills that support successful school transition:
- Sitting in a group for 15+ minutes.
- Following group instructions.
- Raising hand and waiting to be called on.
- Transitioning between activities independently.
- Toileting independently.
- Communicating needs to unfamiliar adults.
- Tolerating peer proximity and noise.
Parent Involvement in EIBI
- Parents are essential team members, not passive recipients of services.
- Parent training (97156) should occur weekly or biweekly at minimum.
- Parents implement strategies during natural routines: mealtimes, bath time, play, errands.
- Parent-implemented intervention extends the treatment dose beyond direct therapy hours.
- Assess and support parent well-being—EIBI is demanding for families.
Quality Indicators for an EIBI Program
- Individualized assessment-driven curriculum (not a pre-packaged one-size program).
- Data collected on every target, every session.
- Regular BCBA supervision (minimum 10–15% of direct hours).
- Ongoing staff training with treatment integrity monitoring.
- Active caregiver training component.
- Regular program review with data-based modifications.
- Generalization and maintenance programming embedded throughout.
- Transition planning from the beginning of treatment.
Key References
- Lovaas, O. I. (1987). Behavioral treatment and normal educational and intellectual functioning in young autistic children. Journal of Consulting and Clinical Psychology, 55, 3–9.
- Eldevik, S., Hastings, R. P., Hughes, J. C., Jahr, E., Eikeseth, S., & Cross, S. (2009). Meta-analysis of early intensive behavioral intervention for children with autism. Journal of Clinical Child & Adolescent Psychology, 38, 439–450.
- Howard, J. S., Stanislaw, H., Green, G., Sparkman, C. R., & Cohen, H. G. (2014). Comparison of behavior analytic and eclectic early interventions for young children with autism after three years. Research in Developmental Disabilities, 35, 3326–3344.
- Linstead, E., et al. (2017). An evaluation of the effects of intensity and duration on outcomes across treatment domains for children with autism spectrum disorder. Translational Psychiatry, 7, e1234.
- Virués-Ortega, J. (2010). Applied behavior analytic intervention for autism in early childhood: Meta-analysis, meta-regression, and dose-response meta-analysis. Clinical Psychology Review, 30, 387–399.
