When a consensus is reached that the Matrix, including the Overlap View, accurately describes the system operation, analysts can apply the Investigation Catalyst Diamond tools to help find potential changes to individual behaviors or actions or to interactions during the operation. These steps are described in detail in the Recommendation Development Tutorial. With these tools, analysts can produce a ranked list of candidate changes for improving operations.

1. examine each EB and link on the current Matrix, individually and in coupled sets;
   
   
2. ask how that EB or link might be changed to change what follows;
   
   
3. define each change in terms of substitute or alternative EBs and links; and
   
   
4. document each candidate found, including attributes that might influence its utility,

While not designed for financial analysis, documentation of those effects, stated in terms of actions individuals would be required to take to provide financing (EBs), can be accommodated on the Matrix. Similarly, if any of the changes involve the community, they can stated in the same terms, and added to the Matrix with the other EBs.

The tasks required to find changes in a system that was designed to be an improvement in the current system requires similar steps, starting with the Matrix of the new system operation. This time, however, the analysis proceeds like a Hazard Analysis, except that search also looks for opportunities to make the operation more efficient in some way, so efficiency improvements are also targets for change.

A second difference may be that the Hazard Analysis during the development of the new system may reduce the number of potential changes that might be identified.