· you will hEAr pArt oF A ConvErsAtion BEtwEEn A mAnAgEmEnt ConsultAnt AnD A trAining mAnAgEr oFAnDErson，A ChAin supErmArkEt，who ArE tAlking ABout thE importAnCE oF CAsE stuDiEs For stAFF trAin-ing．
· For EACh quEstion 23-30，mArk onE lEttErA，B、orC、For thE CorrECt AnswEr.
· you will hEAr thE rECorDing twiCE．

thE CollECtion oF DAtA in CAsE stuDiEs shoulD inCluDE thE FollowingExCEpt A．All thE nECEssAry DAtA thAt CoulD BE CollECtED、B．vArious typEs oF DoCumEntAtion，quEstionnAirEs，intErviEws AnD oBsErvAtion． C．EvEry piECE oF First hAnD DAtA you CoulD CollECt．