1997
DOI: 10.1016/s0002-8223(97)00076-x
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Intense Practice Enhances Accuracy of Portion Size Estimation of Amorphous Foods

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Cited by 57 publications
(50 citation statements)
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“…Prior to exposure to the CFPT, participants produced accuracy ratios of 82 to 143 depending on the food being estimated. In contrast, the Slawson and Eck (20) control group produced accuracy ratios of 67 to 290. A majority of participants in this study, regardless of condition, were able to accurately estimate most foods to within one ounce.…”
Section: Discussionmentioning
confidence: 81%
See 1 more Smart Citation
“…Prior to exposure to the CFPT, participants produced accuracy ratios of 82 to 143 depending on the food being estimated. In contrast, the Slawson and Eck (20) control group produced accuracy ratios of 67 to 290. A majority of participants in this study, regardless of condition, were able to accurately estimate most foods to within one ounce.…”
Section: Discussionmentioning
confidence: 81%
“…An accuracy ratio (estimated/actual) was computed to obtain a standardized index of accuracy across the range of foods and portion sizes (20). One food, cookie, was excluded from analysis due to difficulty converting size estimates to ounces.…”
Section: Methodsmentioning
confidence: 99%
“…Interventions to improve food portion estimation skills are clearly needed. treatment control condition (Bolland et al, 1988), measurement of solid foods improved when using measuring cups (Weber et al, 1997), and two-and three-dimensional practical measurement aids improved estimation abilities (Byrd-Bredbenner and Schwartz, 2004)], container size [estimation errors greater for amorphous foods measured in large versus small containers (Yuhas et al, 1989)], food type [amorphous foods less accurately estimated than solid foods (Rapp et al, 1986;Yuhas et al, 1989;Howat et al, 1994;Slawson and Eck, 1997) and larger improvements were observed for amorphous foods (Weber et al, 1997)] and type of assessment [fewer errors observed when food photos used by the treatment group (Howat et al, 1994)]. Limitations of this research, however, are the use of college students in nutrition classrooms (Bolland et al, 1988;Yuhas et al, 1989;Slawson and Eck, 1997) and lack of a control condition (Slawson and Eck, 1997;Byrd-Bredbenner and Schwartz, 2004).…”
Section: Introductionmentioning
confidence: 99%
“…To increase the accuracy of self-reporting, researchers have examined the effect of training sessions for estimating portion sizes (Slawson & Eck, 1997). When subjects were trained in portion size estimations, using actual foods, researchers reported increased validity of portion size estimation (Slawson & Eck, 1997). …”
Section: Theories Of Behavioral Change In Nutrition Educationmentioning
confidence: 99%