How does a practitioner determine if an intervention is scientifically based?
The No Child Left Behind Act defines scientifically based reading research as research that applies rigorous, systematic, and objective procedures to obtain valid knowledge relevant to reading development, reading instruction, and reading difficulties. Examples of interventions found to be effective through research include: • One-to-one tutoring by qualified tutors for at-risk readers in grades 1-3 • Life-skills training for junior high students • Reducing class size in grades k-3 • Instruction for early readers in phonemic awareness and phonics. For a checklist to use in evaluating whether an intervention is backed by rigorous evidence, see Identifying and Implementing Educational Practices Supported by Rigorous Evidence: A User Friendly Guide.
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