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"Smallball" evaluation: a prescription for studying community-based information interventions.
1National Library of Medicine, 6705 Rockledge Drive, Suite 301, Rockledge, MD 20892, USA. friedmc1@mail.nih.gov
Journal of the Medical Library Association : JMLA
|October 22, 2005
Summary
Focused evaluation studies ("smallball") over a project's life-cycle are more informative for community interventions than late-stage randomized experiments ("powerball"). Smallball studies better address community needs and constraints throughout development and deployment.
Area of Science:
- Community Health Informatics
- Program Evaluation
- Health Services Research
Background:
- Community-based informational interventions require tailored evaluation methods.
- Traditional randomized controlled trials (RCTs) may not be suitable for assessing these interventions throughout their lifecycle.
- The "powerball" approach (late-stage RCTs) contrasts with the proposed "smallball" approach (lifecycle evaluation).
Purpose of the Study:
- To advocate for the superiority of "smallball" evaluation studies over "powerball" studies for community-based informational interventions.
- To highlight the advantages of lifecycle evaluations in understanding intervention effectiveness within real-world community settings.
- To challenge the prevailing view that only "powerball" studies offer legitimate evaluation outcomes.
Main Methods:
- Comparative analysis of "smallball" (lifecycle) and "powerball" (late-stage RCT) evaluation strategies.
- Utilizing analogies from baseball (smallball vs. powerball) to frame the methodological discussion.
- Emphasizing the unique characteristics of community-based interventions and their implications for evaluation design.
Main Results:
- "Smallball" evaluations ensure information resources meet community needs prior to development.
- "Smallball" assessments confirm system suitability for user capabilities and community constraints during deployment.
- "Smallball" studies facilitate learning about intervention effects in real-world environments where RCTs are often infeasible.
Conclusions:
- "Smallball" evaluation studies offer significant advantages for community-based informational interventions.
- The findings support a shift in perspective, favoring lifecycle evaluations over traditional late-stage randomized trials.
- Revised expectations in informatics should prioritize "smallball" approaches for more informative and practical evaluation outcomes.