Scale-Score: Food Label to Support Nutritious and Sustainable Online Grocery Shopping
Marco Druschba, G\"ozel Shakeri

TL;DR
This paper introduces the Scale-Score, a combined food label designed to help online grocery shoppers make healthier and more sustainable choices, with initial evidence supporting its effectiveness for nutrition but highlighting areas for sustainability improvement.
Contribution
The study presents the first insights into the design and performance of a combined nutritional and environmental food label in an online shopping context.
Findings
Supports nutritious purchases effectively
Needs improvement in sustainability support
Provides initial design insights
Abstract
To empower online grocery shoppers in making nutritionally and environmentally informed decisions, we investigate the efficacy of the Scale-Score, a label combining nutritional and environmental information to highlight a product's benefit to both the consumer's and the planet's health, without obscuring either information. We conducted an experimental study in a mock online grocery environment, and assessed label efficacy. We find that the Scale-Score supports nutritious purchases, yet needs improving regarding sustainability support. Our research shows first insights into design considerations and performance of a combined yet disjoint food label.
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Taxonomy
TopicsInnovative Human-Technology Interaction · Consumer Attitudes and Food Labeling · Consumer Packaging Perceptions and Trends
