Research Insights
Deep dives into portion size science, energy intake research, and the evidence behind portion perception phenomena.
Unit Bias in Portion Perception
Exploration of how people judge portion appropriateness based on discrete units rather than actual quantity, and the psychological mechanisms driving this phenomenon.
Read ArticleSupersizing and Energy Intake
Comprehensive analysis of research demonstrating how increasing food volumes influences total energy consumption patterns across populations.
Read ArticleSelf-Selected Portions in Free-Living
Investigation into how individuals choose portion sizes in natural food environments and the contextual factors influencing self-regulation patterns.
Read ArticleVisual Illusions in Portion Judgment
Detailed exploration of optical illusions and how container shape, size, and color substantially influence perception of portion adequacy.
Read ArticlePackage Size and Consumption Volume
Evidence-based analysis of how packaging dimensions directly influence the quantity of food consumed from single-serving and multi-serving packages.
Read ArticlePortion Distortion Over Time
Population-level data demonstrating normalization of larger serving sizes and significant shifts in portion size norms across recent decades.
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