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Human Factors: The Journal of the Human Factors and Ergonomics Society
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Visual Search of Food Nutrition Labels

Joseph H. Goldberg

Pennsylvania State University, University Park, Pennsylvania

Claudia K. Probart

Pennsylvania State University, University Park, Pennsylvania

Robert E. Zak

Air Force Medical Logistics Office, Ft. Detrick, Maryland

Using an eye-tracking methodology, we evaluated food nutrition labels' ability to support rapid and accurate visual search for nutrition information. Participants (5 practiced label readers and 5 nonreaders) viewed 180 trials of nutrition labels on a computer, finding answers to questions (e.g., serving size). Label manipulations included several alternative line arrangements, location of the question target item, and label size. Dependent measures included search time and number of fixations prior to visually capturing the target, as well as the accuracy and duration of the capturing fixation. Practiced label readers acquired the target more quickly and accurately than did less-practiced readers. Targets near the denser center of the label required 33% more time and were harder to find than targets at the top or bottom of the label. Thinner alignment lines were more influential than thicker anchoring lines on visual search time. Overall, the current nutrition label supported accurate and rapid search for desired information. Potential applications of the present methodology include the evaluation of warning labels and other static visual displays.

Human Factors: The Journal of the Human Factors and Ergonomics Society, Vol. 41, No. 3, 425-437 (1999)
DOI: 10.1518/001872099779611021
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