NCT05633251

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

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

• Status: Completed
• Phase: N/A
• Study type: Interventional
• Enrollment: 1,626 (actual)
• Sponsor: New Mexico State University · Academic / Other
• Sex: All
• Age: 11 Years – 16 Years
• Healthy volunteers: Accepted

Summary

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.

Conditions

• Behavioral Changes
• Psychology, Social
• Nutrition

Interventions

Type	Name	Description
BEHAVIORAL	Variable (random) interval	Using Variable (Random) Interval Reinforcement Schedules to Increase Fruit and Vegetable Intake, Reduce Fruit and Vegetable Waste, and Increase School Lunch Participation
BEHAVIORAL	Variable (non-random) interval	Using Variable (Non-random) Interval Reinforcement Schedules to Increase Fruit and Vegetable Intake, Reduce Fruit and Vegetable Waste, and Increase School Lunch Participation
BEHAVIORAL	Variable (random) interval with table tents	Using Variable (Random) Interval Reinforcement Schedules and Table Tents with Health-related Messages to Increase Fruit and Vegetable Intake, Reduce Fruit and Vegetable Waste, and Increase School Lunch Participation
BEHAVIORAL	Control	No intervention

Timeline

• Start date: 2015-09-14
• Primary completion: 2016-05-06
• Completion: 2016-05-06
• First posted: 2022-12-01
• Last updated: 2022-12-01

Locations

1 site across 1 country: United States