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Estimation of food portion size using photographs: validity, strengt…
- https://onlinelibrary.wiley.com/doi/10.1111/j.1365-277X.1995.tb00296.x#:~:text=Photographs%20are%20valuable%20aids%20in%20the%20estimation%20of,such%20as%20poor%20recall%20of%20amounts%20actually%20eaten.
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Food photography. I: The perception of food portion size …
- https://pubmed.ncbi.nlm.nih.gov/7826990/
- On average, the mean differences between the portion size presented and the estimate of portion size using the photographs varied from -8 to +6 g (-4 to +5%) for the series of eight photographs, and from -34 to -1 g (-23 to +9%) for the single average photograph. Large portion sizes tended to be underestimated more than medium or small portion sizes, especially when using the …
Food Photography I: the perception of food portion size …
- https://www.cambridge.org/core/journals/british-journal-of-nutrition/article/food-photography-i-the-perception-of-food-portion-size-from-photographs/E6915CA4E3897F27470DB2091B8AFED6
- Fifty-one male and female volunteers aged 18–90 years from a wide variety of social and occupational backgrounds completed 7284 assessments of portion size in relation to food photographs. Subjects were shown six portion sizes (two small, two medium and two large) for each of six foods, and asked to compare the amount on the plate in front of them to (a) a …
Food photography. I: The perception of food portion size …
- https://www.researchgate.net/publication/15372211_Food_photography_I_The_perception_of_food_portion_size_from_photographs
- On average, the mean differences between the portion size presented and the estimate of portion size using the photographs varied from -8 to +6 g (-4 to …
Food Photography I: the perception of food portion …
- https://www.cambridge.org/core/services/aop-cambridge-core/content/view/E6915CA4E3897F27470DB2091B8AFED6/S0007114594001704a.pdf/food-photography-i-the-perception-of-food-portion-size-from-photographs.pdf
- estimate of portion size using the photographs varied from - 8 to + 6 g (- 4 to + 5 %) for the series of eight photographs, and from -34 to -1 g (-23 to +9%) for the single average photograph. Large portion sizes tended to be underestimated more than medium or …
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