Research

Question 1

Six sigma

Answer 1

Six Sigma is a quality improvement (QI) methodology used to make improvements and reduce waste by minimizing variability.

Question 2

Lean Methodology

Answer 2

Lean methodology involves eliminating waste to bring improvement in outcomes rather than using iterative cycles of interventions to make improvement in a stepwise fashion, as seen in this case.

Question 3

Types of Variation seen in QI Statisical Process Control (SPC) charts

Answer 3

Common Cause Variation: This type of variation is produced by random variation, inherent to the process itself.​ For example, medication delivery will vary by 10 minutes based on the patient load and availability of pharmacists and nurses for preparation and administration.

Special Cause Variation: Special Cause Variation: This type of variation is seen due to identifiable causes that are outside the usual work processes.​ For example, medication delivery is delayed due to a downed tube station or computer freeze making order entry difficult