PMP Certification Planning Questions Test 3

A university has a project to implement a new online application system for new entrants. The pilot solution shows that a significant number of applications have captured incomplete and inaccurate data. The project team, subject matter experts (SMEs), and key stakeholders held a workshop to investigate the causes of these errors.
Which of the following is a technique the project manager should use with the team to focus on the right areas to make changes that could improve the quality of the data-capture process?