Seeing is believing: could visual germs teach kids to wash better?

NCT ID NCT07760025

Completed Prevention Sponsor: Esra Şengün Deniz Source: ClinicalTrials.gov ↗

First seen Aug 12, 2026 · Last updated Aug 13, 2026 · Updated 1 time

Summary

This trial tests whether showing preschool children the bacteria on their hands using agar plates can improve their handwashing behavior and reduce germs. About 59 children aged 4-6 will be split into two groups: one receives standard hand hygiene education, while the other also sees culture plates demonstrating bacterial growth. Researchers will observe handwashing behavior before and after the education to see if the visual method makes a difference.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: A hand hygiene education program that uses agar plates to show bacterial colonies, compared with standard hand hygiene education.
What this could lead to: If effective, this visual teaching method could become a simple, low-cost way to improve handwashing habits and reduce infections in young children.
What could go wrong: This is a small, early-stage trial, so results may not apply broadly. The approach may not lead to lasting behavior change outside the study setting.

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

HAND HYGIENE PRESCHOOL CHILDREN

Contacts and locations

Locations

A Preschool

Ankara, Ankara, 06018, Turkey (Türkiye)

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