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Lovaas (1987) —
The Original ABA Breakthrough
What it showed: Children who received 40+ hours of ABA per week made huge gains in IQ, communication, and social skills.
Why it matters: 47% of kids reached typical development levels and were placed in regular classrooms by first grade.
Parent takeaway: Intensive early ABA can change the trajectory of a child’s life.
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Smith et al. (2000) — ABA Still Works in the Real World
What it showed: Children who got ABA therapy made bigger improvements in language and daily skills than children who didn’t.
Why it matters: This study proved ABA still works even in community settings (not just in research labs).
Parent takeaway: ABA helps kids thrive in real-life environments.
Eldevik et al. (2009) — ABA Works Across Multiple Skills
What it showed: A review of many studies found that ABA improves IQ, language, and adaptive behavior.
Why it matters: The results were strongest when therapy started before age 4.
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Parent takeaway: The earlier you start ABA, the better the results.
Eldevik et al. (2009) — ABA Works Across Multiple Skills
What it showed: A review of many studies found that ABA improves IQ, language, and adaptive behavior.
Why it matters: The results were strongest when therapy started before age 4.
Parent takeaway: The earlier you start ABA, the better the results.
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