How many hours of ABA therapy does a child need?
Research indicates optimal ABA therapy for young children (ages 0-6) requires 25-40 hours per week for 2-3 years to achieve maximum developmental gains. This intensive early intervention approach, known as EIBI (Early Intensive Behavioral Intervention), is considered the leading evidence-based approach for autism treatment.
Source: Dawson et al., Pediatrics 2010 (PMID 20008426); Reichow et al., Cochrane 2018 (PMID 30537386); BACB Professional Standards · View Source