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Completed Not applicable Interventional Accepts healthy volunteers

Using Reinforcement Schedules to Increase Fruit&Vegetable Intake, Reduce Waste, and Increase School Lunch Participation

ClinicalTrials.gov ID: NCT05633251

Public ClinicalTrials.gov record NCT05633251. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 1, 2026, 6:22 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Using Reinforcement Schedules to Improve Carotenoid Levels, Reduce Fruit and Vegetable Waste, and Increase School Lunch Participation in El Paso

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

Using small monetary rewards to reinforce healthy behaviors, such as the consumption of fruits and vegetables (F\&V), the investigators tested fixed and variable reinforcement schedules in three middle schools. The investigators measured carotenoid levels, as a biomarker of F\&V intake, and F\&V waste over the intervention time frame. The investigators also tracked the school lunch participation rates over time.

Study identification

NCT ID
NCT05633251
Recruitment status
Completed
Study type
Interventional
Phase
Not applicable
Enrollment
1,626 participants

Conditions and interventions

Eligibility (public fields only)

Age range
11 Years to 16 Years
Sex
All
Healthy volunteers
Accepts healthy volunteers

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Sep 13, 2015
Primary completion
May 5, 2016
Completion
May 5, 2016
Last update posted
Nov 30, 2022

2015 – 2016

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Ysleta Independent School District El Paso Texas 79925

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05633251, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Nov 30, 2022 · Synced Sep 1, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT05633251 live on ClinicalTrials.gov.

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