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ThesaurusAntonymsRelated WordsSynonymsLegend: - relying on observation or experiment; "experimental results that supported the hypothesis"
empirical, empiric - derived from experiment and observation rather than theory; "an empirical basis for an ethical theory"; "empirical laws"; "empirical data"; "an empirical treatment of a disease about which little is known"
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The data-based instruction projects targeted students with a range of disabilities, including autism, speech and language impairments, visual and auditory processing disabilities, learning disabilities, mental retardation, and serious emotional disturbances.

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