Effects of Experiential Learning on Vegetable Intake in Preschool Children

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

337 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-10-02

Study Completion Date

2018-01-05

Brief Summary

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The aim of this cluster randomized control trial is to test the efficacy of providing experience of a target novel vegetable within the context of an interactive story time to increase intake of the target novel vegetable in preschool aged children (aged 2-5 years).

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Detailed Description

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The aim of this study is to test the efficacy of providing experience of a target novel vegetable within the context of an interactive story time to increase intake of the target novel vegetable in preschool aged children (aged 2-5 years). In particular, the study will assess whether these strategies are effective to encourage intake of an unfamiliar vegetable in children who are fussy eaters.

There are two manipulations in this study - the provision of a story which features either a target vegetable (celeriac) or a control vegetable (carrot) and the presence of experiential learning (smelling, touching, looking at the vegetable) with either the target vegetable or the control vegetable.

Baseline consumption and familiarity of the target veg will be assessed for all children, before the intervention. The intervention consists of two familiarization trials, and 2-weeks of access to a story book featuring vegetables. Following the final familiarization trial, consumption and familiarity will be assessed again. Each familiarization trial consists of a story in class, and depending on condition, an experiential learning episode in class. During the 2 week interval between familiarization sessions nurseries will be requested to ready the story book 5 times in the preschool room (at times convenient to them).

Participants will be cluster randomized into 4 groups (2X2 between subjects design): 1) target vegetable narrative, 2) target vegetable narrative + experiential, 3) control vegetable narrative 4) control vegetable narrative + experiential

Child's food fussiness data will be collected by parents using the Food Fussiness sub scale of the Child Eating Behaviour Questionnaire. Their usual consumption of the target vegetable will also be measured using parent report.

Nursery staff will be requested to provide feedback to evaluate intervention feasibility, barriers and efficacy.

It is predicted that children's intake of the novel vegetable will vary by intervention. The primary hypothesis to be tested is that providing experience of a target novel vegetable within the context of an interactive story time will encourage preschoolers to taste, try and eat the target vegetable.

Conditions

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Food Habits Food Preferences Health Behavior Diet Habit Child Behavior

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

DOUBLE

Participants Caregivers

Study Groups

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Narrative (target)

Children will receive the story featuring the target vegetable and NO sensory experience.

Group Type EXPERIMENTAL

Narrative

Intervention Type BEHAVIORAL

Children will be read a story book featuring vegetables for a minimum of 7 times (including twice during the familiarization phase).

Narrative+ experiential (target)

Children will receive the story featuring the target vegetable and experiential learning with the target vegetable.

Group Type EXPERIMENTAL

Narrative

Intervention Type BEHAVIORAL

Children will be read a story book featuring vegetables for a minimum of 7 times (including twice during the familiarization phase).

Experiential

Intervention Type BEHAVIORAL

Children will receive hands on experience with the vegetable. They will get to listen, see, feel, touch and smell the actual vegetable during the two familiarization phases.

Narrative (control)

Children will receive the story featuring the control vegetable and NO sensory experience.

Group Type ACTIVE_COMPARATOR

Narrative

Intervention Type BEHAVIORAL

Children will be read a story book featuring vegetables for a minimum of 7 times (including twice during the familiarization phase).

Narrative+ experiential (control)

Children will receive the story featuring the control vegetable and experiential learning with the control vegetable.

Group Type ACTIVE_COMPARATOR

Narrative

Intervention Type BEHAVIORAL

Children will be read a story book featuring vegetables for a minimum of 7 times (including twice during the familiarization phase).

Experiential

Intervention Type BEHAVIORAL

Children will receive hands on experience with the vegetable. They will get to listen, see, feel, touch and smell the actual vegetable during the two familiarization phases.

Interventions

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Narrative

Children will be read a story book featuring vegetables for a minimum of 7 times (including twice during the familiarization phase).

Intervention Type BEHAVIORAL

Experiential

Children will receive hands on experience with the vegetable. They will get to listen, see, feel, touch and smell the actual vegetable during the two familiarization phases.

Intervention Type BEHAVIORAL