![]() Statistical analyses performed Correlation, analysis of variance (ANOVA), and standard deviations (calculated from the within-group mean square error of the ANOVAs). Main outcome measures Results of the sensory evaluation and the line-spread test would strongly correlate, indicating predictive validity, but the line-spread test would be more reliable and show variability in measurement. ![]() Setting The Food Research Laboratory with private sensory booths at Mount Saint Vincent University. Numeric results of the two tests were compared. The samples were presented to a trained sensory panel for evaluation by quantitative descriptive analysis and were measured by the line-spread test. ![]() Design Viscosity-altering formulations for a selection of soups and beverages commonly served to patients with dysphagia at a local hospital were developed under controlled conditions. The line-spread test is based on the measure of product dispersion over a fiat surface. Abstract : Objective To develop and validate a practical, economical, and objective viscosity assessment tool, the line-spread test, for foods and beverages formulated for the dysphagic diet.
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