Select the improvement model that would work best for the following performance problems. Explain your choices.

• More than 25 percent of the insurance claims submitted by a clinic are rejected because of mistakes made by the clinic’s billing clerks.

• Patients experience long wait times and delays for outpatient diagnostic services.

• A large number of hospitalized patients develop a wound infection following surgery.

• Labor costs are too high in the radiology department.

• Patients’ overall satisfaction with the emotional support provided by nurses is lower than the satisfaction levels reported for other hospitals.
• In a pediatric clinic, many Spanish-speaking patients are unable to communicate by phone with the receptionists and caregivers because of language barriers.