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Portion Size Effects on Mood

N/A
Waitlist Available
Led By Hollie Raynor, PhD
Research Sponsored by The University of Tennessee, Knoxville
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Age 18-35
Be between 18 and 65 years old
Timeline
Screening 3 weeks
Treatment Varies
Follow Up 1 year
Awards & highlights

Study Summary

This trial will study how different portion sizes of food will affect a person's mood.

Who is the study for?
This trial is for individuals aged 18-35 with a healthy body weight (BMI of 18.5 to 24.9), who eat without restrictions (score below 12 on the Three Factor Eating Questionnaire) and do not smoke.Check my eligibility
What is being tested?
The study explores how different food portion sizes affect mood. Participants will be randomly assigned to control, decreased, increased, or mixed portion size groups to see if there's any impact on their emotional state.See study design
What are the potential side effects?
Since this trial involves changes in diet portions rather than medication, side effects are not typical as in drug trials but may include temporary changes in eating habits or feelings of fullness or hunger.

Eligibility Criteria

Inclusion Criteria

You may be eligible if you check “Yes” for the criteria below
Select...
I am between 18 and 35 years old.

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~1 year
This trial's timeline: 3 weeks for screening, Varies for treatment, and 1 year for reporting.

Treatment Details

Study Objectives

Outcome measures can provide a clearer picture of what you can expect from a treatment.
Primary outcome measures
Total grams of snack food consumed
Secondary outcome measures
Total grams of fruit consumed
Other outcome measures
Relative Reinforcing Value of Foods

Trial Design

4Treatment groups
Experimental Treatment
Group I: Mixed Portion SizesExperimental Treatment1 Intervention
Participants will receive mixed portion sizes.
Group II: Increase Portion SizeExperimental Treatment1 Intervention
Participants will receive increased portion sizes.
Group III: Decrease Portion SizesExperimental Treatment1 Intervention
Participants will receive decreased portion sizes.
Group IV: ControlExperimental Treatment1 Intervention
Participants will receive equal amounts of foods.

Find a Location

Who is running the clinical trial?

The University of Tennessee, KnoxvilleLead Sponsor
83 Previous Clinical Trials
18,504 Total Patients Enrolled
1 Trials studying Depression
103 Patients Enrolled for Depression
Hollie Raynor, PhDPrincipal InvestigatorUniversity of Tennessee
6 Previous Clinical Trials
408 Total Patients Enrolled

Media Library

Control Clinical Trial Eligibility Overview. Trial Name: NCT01725425 — N/A
Depression Research Study Groups: Decrease Portion Sizes, Mixed Portion Sizes, Increase Portion Size, Control
Depression Clinical Trial 2023: Control Highlights & Side Effects. Trial Name: NCT01725425 — N/A
Control 2023 Treatment Timeline for Medical Study. Trial Name: NCT01725425 — N/A
~2 spots leftby Jun 2025
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