IN O NE SENTENCE: The 5-W hyanalysism ethod isused to m ove pastsym ptom sand understand the true rootcause ofa problem. W hy use thistool? quickly determ ine the rootcause ofproblem easyto apply easyto use quickly separatessym ptom sfrom the cause w orksw ell stand alone, butalso w hen com bined w ith othertools. By itsnature itfostersand producesteam w ork. W hatcould be done next? Afteraccom plishing all the stepsofthe 5W HYs w e can think aboutpossible problem sthatm ay occur(e.g. in com pany)and use 5 w hysin order to forecasthow to avoid those problem sin future. Itislike using the tool before problem occursin orderto preventit. Application and use of the method show on example: Tips and traps: Julia Jańczyk Karolina Wróbel