Clinical trials: Portion Sizes
Eating
Intake Promoting Effects of Large Portions in Children
The purpose of this study is to test the effects of large food portions on children's eating. Experiment 1 will test the effect of portion size on children's consumption of sweetened beverages; we hypothesize that serving large…
- Trial name
- NCT00436878
- Testing
- Food portion size
- Where
- 2 sites in United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Temple University
Pediatric Obesity
Neural Mechanisms Underlying Children's Responses to Food Portion Size and Energy Density
Increased portion sizes of foods high in energy density (calories per gram of food) have been implicated in the obesity epidemic.
- Trial name
- NCT02759523
- Volunteers
- 108 people, healthy volunteers welcome
- Sponsor
- Penn State University
Obesity, Eating Behavior
Portion Size and To-go Container on Dinner Intake
This study investigated whether the provision of a to-go container influenced the portion size effect at a meal. Following a screening visit, women came to the lab once a week for 4 weeks to eat a meal of multiple foods.
- Trial name
- NCT03502096
- Testing
- To-Go container, Control
- Volunteers
- 58 people
- Sponsor
- Penn State University
Satiation
The Lunch Study: the Combined Effects of Food Texture and Portion Size on Intake
Meal size is strongly influenced by a number of external features of the food environment which can promote over-consumption, such as the availability of palatable energy dense foods and large portion sizes.
- Trial name
- NCT02977273
- Testing
- Thin/100% Portion, Thin/150% Portion, Thick/100% Portion
- Where
- Singapore
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- Singapore Institute of Food and Biotechnology Innovation
Feeding Behavior
The Role of Satiety in the Effect of Portion Size on Intake
The study uses a crossover design in which the portion size of food is varied at each meal. Across four test meals, subjects will be served four different portions of food, and intake will be determined from pre- and post-meal…
- Trial name
- NCT03409601
- Testing
- 100% Portion Size, 125% Portion Size, 150% Portion Size
- Where
- United States
- Volunteers
- 14 people
- Sponsor
- Penn State University
Diet, Healthy, Eating Behavior
SSS and the Impact of Portion Size on Daily Energy Intake
Reducing food portion size is a potential strategy to reduce energy intake. However, it remains unclear who is most susceptible to the portion size effect (PSE).
- Conditions
- Diet, Healthy, Eating Behavior, Obesity
- Trial name
- NCT05399836
- Testing
- Portion size manipulation
- Where
- United Kingdom
- Volunteers
- 47 people, healthy volunteers welcome
- Sponsor
- University of Liverpool
Eating Behavior, Obesity
Liking of Snack Foods - Sub-Study 1
Specific Aims: Environmental factors contributing to overconsumption, such as larger food portion sizes, may be contributing to the obesity epidemic.
- Conditions
- Eating Behavior, Obesity, Satiation
- Trial name
- NCT00200213
- Testing
- portion or unportioned food
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- The Miriam Hospital
Nutrition Assessment, Obesity
Efficacy of Portion Size Measurement Aids
Portion size measurement aids (PSMAs) are tools that facilitate the estimation of food servings. The objectives of this study are to determine (a) if food portion size estimation accuracy differs when using a two dimensional (2D)…
- Trial name
- PSMA (NCT01262768)
- Testing
- Portion Size Measurement Aids (PSMAs)
- Where
- Canada
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- University of Alberta
Portion Sizes
Portion Size Effects on Body Weight:Free Living Setting
The study purpose was to evaluate the effects of portion sizes on body weight and energy intake in a free-living setting. 223 healthy adults were recruited from an urban worksite and randomized to one of four groups for a…
- Trial name
- NCT01820403
- Testing
- portion size kcal of box lunch
- Where
- United States
- Volunteers
- 233 people, healthy volunteers welcome
- Sponsor
- University of Minnesota