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American Journal of Clinical Nutrition, Vol 5, 56-61, Copyright © 1957 by The American Society for Clinical Nutrition, Inc.

Examiners' Ratings of Color Transparencies of Clinical Signs Associated with Vitamin Deficiencies

SUSAN B. MERROW M.ED.1, MARY M. CLAYTON PH.D.2, CHESTER A. NEWHALL M.D.3, and WALTER D. FOSTER PH.D.4

1 Assistant Nutritionist, Vermont Agricultural Experiment Station, Burlington, Vt.
2 Nutritionist, Maine Agricultural Experiment Station, Orono, Me.
3 Professor of Anatomy, University of Vermont, College of Medicine, Burlington, Vt.
4 Formerly, Regional Biometrician, West Virginia Agricultural Experiment Station, Morgantowm, W. Va.

Kodachrome slides of selected physical signs frequently associated with vitamin deficiencies were examined by seven physicians and one dentist, and independently rated according to written criteria. The results showed significant differences between examiners. In order to differentiate between severity ratings of two-step intervals 85 times out of 100, the findings indicated that the number of examiners needed to appraise each subject's color slide for a particular sign would be four or less for 30 of the 38 signs studied. Factors to be considered when utilizing Kodachrome slides in a nutrition study were reviewed.






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Copyright © 1957 by The American Society for Nutrition