Phase 0: Build Organizational Support for Supply Chain Improvement 33 ence, personality factors, dedication/discipline to task, and access to data. Problem-Solving Experience Design teams that have at least one black belt or green belt take the analysis deeper and faster at each project phase than do those without such training. Real experience with certain Lean Six Sigma disci- plines will help the team pinpoint root causes of problems, identify effective solutions, and more accurately predict the value of and con- fidence in improvement recommendations. Particularly useful disci- plines include value stream analysis and eliminating the eight areas of waste; Kano, voice of the customer, and force field analyses; cal- culating cost of poor quality; putting together data collection plans; calculating process sigma levels; using data analysis tools such as Par- eto and run charts, histograms, and scatter plots; and using process analysis tools such as SIPOC (suppliers-inputs-process-outputs- customers), value stream, and cross-functional maps. Personality Factors There seem to be four personality factors to consider when picking individuals for the project design team. The first scale contrasts facts and feelings. The facts side of the scale describes people who prefer to look just at the numbers and let the data do the ``talking,'' whereas the feelings side describes people who look only at the human factors of change. The second scale contrasts details and vision. The details side of the scale describes people who look at situations from the ``ground up''; they come to conclusions by putting the pieces to- gether. The vision people look at the whole, the big picture, and come to their conclusions by looking at the trends. The third scale contrasts introvert and extrovert. The introvert side of the scale describes people who ``think inside'' and stereotypically are the quiet ones in groups. The extrovert side of the scale describes people who ``think American Managememt Association · www.amanet.org