For each of the four perspectives used in Section III, select 3-5 operational measurements that will allow you to quantify strategic progress for the SBU. For example, if one of the Critical Success Factors is increasing the lifetime value of a customer, a related Critical Measurement could be tracking cumulative individual customer purchases at Years 1, 3 and 5 of the relationship. In selecting Critical Measurements, consider how supporting data can be gathered and validated, as these measurements will form the structure of your Balanced Scorecard assignment