Welcome to the topic of continuous quality improvement (CQI)! This video course, "Six Sigma: A Method for Eliminating Defects," provides strategies for reducing variance and eliminating defects to optimize productivity at your organization. This video lesson, "Six Sigma: Process Control," is the second out of six. During this video lesson, viewers will how to learn about control and how to gauge whether a process is in control or out of control using a run control chart. Ultimately, learners will know the difference between a common cause and a special cause and will understand that problems are typically process problems -- not people problems.