← Collaboration · 20 readings

Parenting Journal · Volume 1 · Issue 2 · Licensed source edition

Digital support systems to improve child development in Peru: A cluster-randomized controlled open-label trial

Günther Fink; Dana Charles McCoy; Lena Jäggi; Kristen Hinckley; Andreana Castellanos; Maria Luisa Huaylinos Bustamante; Leonel Aguilar; Maria Catalina Gastiaburu Cabello; Milagros Alvarado; Sarah Farnsworth Hatch; Marta Dormal; Jorge Cuartas; Ce Zhang; Stella Hartinger Peña; Daniel Mäusezahl

Originally published 2026-03-04 · Science Advances
American Association for the Advancement of Science · DOI 10.1126/sciadv.aeb9403 ↗

CollaborationOpen-label three-arm cluster-randomized controlled trialCC BY 4.0
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AI / system type

AI-supported recommendation/conversational system; not established as GenAI

Direct parenting evidence

Directly addresses parents or caregiving, including parent studies, syntheses and audits of parenting advice.

The AI connection

Afini uses an AI-supported conversational platform and recommendations selecting human-created activities by child development and caregiver feedback.

Why this reading matters

Large randomized family trial with directly assessed child development and a home-visit comparator.

Editorial reading guide · Collaboration

Can digital suggestions help us spend more purposeful time playing and learning together?

Maps to Collaboration through caregivers applying personalized activity suggestions in everyday parent-child interaction.

Study context

2,461 caregiver-child dyads across 164 communities in rural Andean Peru

Age / stage: Infants 3–9 months at enrollment; development assessed around 2.5 years

Read with three questions

  1. How did chatbot support, home visits and usual services differ?
  2. What onboarding, booklets and notifications accompanied the chatbot?
  3. Why can the trial not identify the AI component’s unique contribution?

Keep the limits in view

Single platform/region and bundled support; cannot isolate AI, onboarding or notifications. Provider-only cost analysis excludes caregiver costs; no claim that all AI parenting apps work.

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Attribution & reuse

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Original authorship, publication date, journal and DOI are preserved. This issue’s TRICK placement and reading questions are editorial additions, not claims made by the original authors.

CC BY 4.0 · License notice ↗Original repository record ↗

Günther Fink; Dana Charles McCoy; Lena Jäggi; Kristen Hinckley; Andreana Castellanos; Maria Luisa Huaylinos Bustamante; Leonel Aguilar; Maria Catalina Gastiaburu Cabello; Milagros Alvarado; Sarah Farnsworth Hatch; Marta Dormal; Jorge Cuartas; Ce Zhang; Stella Hartinger Peña; Daniel Mäusezahl (2026). Digital support systems to improve child development in Peru: A cluster-randomized controlled open-label trial Science Advances. https://doi.org/10.1126/sciadv.aeb9403

Permissions checked against the saved article notice; repository publication notices screened 2026-11-04. This is not a new peer-review decision. The source authors and publishers are not represented as endorsing this issue.