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Related Experiment Videos

Methodological issues and future directions in the evaluation of early intervention programmes.

C B Eayrs1, R S Jones

  • 1Department of Psychology, University College of North Wales, Bangor.

Child: Care, Health and Development
|January 1, 1992
PubMed
Summary

Early intervention programmes show mixed results, making a global answer to their effectiveness difficult. Future research should focus on evaluating specific services rather than the entire field.

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Area of Science:

  • Developmental Psychology
  • Public Health Policy
  • Program Evaluation

Background:

  • Early intervention programmes have expanded significantly over the past three decades.
  • Despite extensive research, the overall effectiveness of early intervention remains unclear and debated.
  • Previous studies yield equivocal results regarding the efficacy of early intervention initiatives.

Purpose of the Study:

  • To analyze the reasons behind the inconclusive findings on early intervention effectiveness.
  • To question the feasibility of a universal answer regarding the impact of early intervention.
  • To propose a shift in research focus towards specific program evaluations.

Main Methods:

  • Literature review of existing studies on early intervention.

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  • Critical analysis of evaluation methodologies used in the field.
  • Conceptual framework development for service-specific assessment.

    • Main Results:

    • The "does it work?" question for early intervention is too broad for a definitive global answer.
    • Methodological limitations and heterogeneity of programs contribute to equivocal results.
    • A generalized conclusion on early intervention efficacy is not scientifically supported.

    Conclusions:

    • Evaluating early intervention requires a focus on specific programs and contexts, not a blanket assessment.
    • Future research should prioritize the evaluation of discrete early intervention services.
    • A nuanced, service-specific approach is necessary for meaningful insights into early intervention impact.