ITU-T F.901 (03 1993) (英) Usability evaluation of ……

ITU-T F.901 (03 1993) (英) Usability evaluation of ……

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1、INTERNATIONALTELECOMMUNICATIONUNION)45 4&TELECOMMUNICATION(03/93)STANDARDIZATIONSECTOROFITU/0%2!4)/.3!.$15!,)49/&3%26)#%(5-!.&!#4/23'%.%2!,./430%#)&)#4/4%,%0(/.%3%26)#%53!"),)49%6!,5!4)/./&4%,%#/--5.)#!4)/.3%26)#%3)45 4Re

2、commendation&(Previously“CCITTRecommendation”)FOREWORDTheITUTelecommunicationStandardizationSector(ITU-T)isapermanentorganoftheInternationalTelecom-municationUnion.TheITU-Tisresponsibleforstudyingtechnical,operatingandtariffquestionsandissuingRecomme

3、ndationsonthemwithaviewtostandardizingtelecommunicationsonaworldwidebasis.TheWorldTelecommunicationStandardizationConference(WTSC),whichmeetseveryfouryears,establishedthetopicsforstudybytheITU-TStudyGroupswhich,intheirturn,produceRecommendationsonthesetopi

4、cs.ITU-TRecommendationF.901waspreparedbytheITU-TStudyGroupI(1988-1993)andwasapprovedbytheWTSC(Helsinki,March1-12,1993).___________________NOTES1AsaconsequenceofareformprocesswithintheInternationalTelecommunicationUnion(ITU),theCCITTceasedtoexistasof28Febru

5、ary1993.Initsplace,theITUTelecommunicationStandardizationSector(ITU-T)wascreatedasof1March1993.Similarly,inthisreformprocess,theCCIRandtheIFRBhavebeenreplacedbytheRadiocommunicationSector.InordernottodelaypublicationofthisRecommendation,nochangehasbeenmade

6、inthetexttoreferencescontainingtheacronyms“CCITT,CCIRorIFRB”ortheirassociatedentitiessuchasPlenaryAssembly,Secretariat,etc.FutureeditionsofthisRecommendationwillcontaintheproperterminologyrelatedtothenewITUstructure.2InthisRecommendation,theexpression“Admi

7、nistration”isusedforconcisenesstoindicatebothatelecommunicationadministrationandarecognizedoperatingagency.ãITU1993Allrightsreserved.Nopartofthispublicationmaybereproducedorutilizedinanyformorbyanymeans,electronicormechanical,includingphotocopyingandmicrof

8、ilm,withoutpermissioninwritingfromtheITU.RecommendationF.901RecommendationF.901(03/93)USABILITYEVALUATIONOFTELECOMMUNICATIONSERVICES(Helsinki,1993)1IntroductionThisRecommendationdefinesguidelinesformeasuringt

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