【英文标准名称】:StandardTestMethodforUnipolarMagnitudeEstimationofSensoryAttributes
【原文标准名称】:感官特征单极性光度评估的标准试验方法
【标准号】:ASTME1697-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E18.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:农产品;饮料;统计学;水污染;换算;香水;颜色;食品;估计;烟草;试验;感官分析(食品);感官分析;味觉
【英文主题词】:agriculturalproducts;beverages;color;estimation;feel;foodproducts;magnitudeestimation;odors;odororwaterpollution;perfumes;scaling;sensoryanalysis;sound;taste;tobacco
【摘要】:1.1Thistestmethoddescribesaprocedurefortheapplicationofunipolarmagnitudeestimationtotheevaluationofthemagnitudeofsensoryattributes.Thetestmethodcoversproceduresforthetrainingofpaneliststoproducemagnitudeestimationsandstatisticalevaluationoftheestimations.1.2Magnitudeestimationisapsychophysicalscalingtechniqueinwhichpanelistsassignnumericvaluestothemagnitudeofanattribute.Theonlyconstraintplaceduponthepanelististhatthevaluesassignedshouldconformtoaratioprinciple.Forexample,iftheattributeseemstwiceasstronginsampleBwhencomparedtosampleA,sampleBshouldreceiveavaluewhichistwicethevalueassignedtosampleA.1.3Theintensityofattributessuchaspleasantness,sweetness,saltinessorsoftnesscanbeevaluatedusingmagnitudeestimation.1.4Magnitudeestimationmayprovideadvantagesoverotherscalingmethods,particularlywhenthenumberofpanelistsandthetimeavailablefortrainingarelimited.Withapproximately1hoftraining,apanelof15to20naiveindividualscanproducedataofadequateprecisionandreproducibility.Anyadditionaltrainingthatmayberequiredtoensurethatthepanelistscanproperlyidentifytheattributebeingevaluatedisbeyondthescopeofthistestmethod.
【中国标准分类号】:X04
【国际标准分类号】:67_240
【页数】:10P.;A4
【正文语种】: