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The problem
Intervention: Puppetry-based approaches including hand puppets, finger puppets, videos, and puppet theatre used as adjuncts to nutrition education
Who it was tested with: Pre-school and school-aged children (majority of 19 studies).
The same group is measured before the intervention and again afterwards, with a baseline and an endline and sometimes a midline. Change is visible, but other causes cannot be ruled out.
"Fifteen studies used quasi-experimental, pre-post designs." The majority of included studies employed pre-post measurement approaches rather than randomised or comparison group designs, supporting classification as PRE_POST evidence tier. Results showed positive knowledge outcomes but inconsistent behaviour change, justifying MIXED outcome direction.
The review synthesises studies of varying methodological quality using predominantly pre-post designs without consistent comparison groups; no meta-analysis of effect sizes; limited information on fidelity of implementation or long-term follow-up outcomes.
Across countries and designs
1 study · 0 countries
