McKinseyGuidelinesforCasePreparationKelloggstudentswhoparticipateinMcKinsey&Company’sCaseInterviewWorkshopsareusuallyaskedtobringapreparedcasetobeusedinbreakoutsessionsduringtheworkshop.Theseguidelinesaredistributedinadvancetoaidparticipantsintheircasepreparation.WhatisacaseInterview?Acaseisadescriptionofarealbusinessproblem.Caseinterviewsaredesignedtotestproblem-solvingskills.Acaseinterviewtypicallylasts20to30minutesandisaverbalexchangebetweentheintervieweeandtheinterviewer.Duringacaseinterview,theintervieweeaskstheinterviewerquestionstogetenoughdatatorecommendasolution;theinterviewerprovidestheinformationthatisaskedforandhelpstheintervieweestayontracktodevelopanapproach.Attheendoftheinterview,theintervieweeshouldbeabletorecommendasolutiontotheoriginalproblempresentedbytheinterviewer.Understandthattheintervieweeisnotoft