The article includes a practical definition of evidence-based practices, examples of different types of practice-based research syntheses, 3 models for conceptualizing evidence-based early childhood intervention, and a description of the implications of the definition, syntheses, and models of early childhood intervention for personnel…

An evidence-based approach to professional development is described on the basis of the findings from a series of research syntheses and meta-analyses of adult learning methods and strategies. The approach, called PALS (Participatory Adult Learning Strategy), places major emphasis on both active learner involvement in all aspects of training…

A three-dimensional framework for defining different aspects of natural learning environments is used to organize and describe natural communication intervention practices. Seven applicable communication intervention methods and strategies easily implemented in natural environments by speech therapists are described, as are reflective procedures.…

A three-dimensional model is used to compare various approaches to natural environment interventions. The model distinguishes between practices that are contextually or noncontextually based, adult or child directed, and practitioner or nonpractitioner implemented. One approach (practitioner implemented, adult directed) has increasingly been…