Effect of Gamification in an Online Grocery Store.

Completed · Not applicable

Conditions studied: Food Selection, Food Preferences, Behavior, Eating

In brief

The overall objective of this research is to evaluate the impact of gamification on the diet quality of food choices made by American adults in an online grocery shopping experiment. Participants will shop for 12 food items from a grocery shopping list determined by the research team in a simulated online grocery store designed for this experiment. Each product has a nutritional quality score based on the Guiding Stars algorithm. The experiment tests the gamification of the nutritional quality score. Participants exposed to gamification see one to five crowns illustrating the nutritional quality of the food and a scoreboard indicating the total number of crowns from foods in the participant's shopping basket. Participants will be assigned to experimental conditions of gamification (game or no game) and a fictitious budget ($30 or $50). The investigators will test if the game and the budget affect the dietary quality of their final shopping baskets. The experiment is a 2x2 experimental design. The investigators hypothesize that the presence of gamification will change the dietary quality of participants' final shopping baskets. The investigators hypothesize that a higher budget will change the dietary quality of the final shopping basket. The investigators also hypothesize that the game and higher budget together will change the dietary quality of the final shopping basket.

Key facts

Study ID

NCT04919668

Run by

Tufts University

People needed

1185

Starts

2021-06-30

Expected to finish

2021-07-28

Last updated by the study team

2021-10-01

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• Participants who had 12 items in their final shopping cart.
• Participants who had less than four items from the same food subcategory in their final shopping basket.
• Participants who spent 120% or less of the budget assigned to them.
• Aged 18 or older
• Have access to a personal computer, laptop, tablet, or mobile phone.
• Participants who were in the US when participating in the study.

Where it is running

• Tufts University — Boston, Massachusetts, United States

Full record on ClinicalTrials.gov

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