Free Interrelationship Diagram Example

1-2 minutes

A small hospital was concerned about the productivity of its doctors because they were the most expensive employees and critical for the treatment of the patients. They decided to create an interrelationship diagram and include the following factors in the analysis:

The number of scheduled appointments per doctor
The number of emergency appointments per doctor
Administrative workload per doctor
The number of changes in scheduled appointments
Equipment quality and reliability
Nurse availability
Availability of other support functions
The doctors’ pay levels

(*source – asq.org – Root Cause Analysis Example ) When the interrelationship diagram had been completed, attention shifted from improving the doctors’ Scheduled appointment (the outcome: 6 in 1 out) to ensure the availability of nurses (The possible key cause: 1 in 5 out), other support functions, and operational equipment.