If the president is having a hard time explaining it, you can imagine how hard it is for me, as well.
The managers are the ones who make the decisions and who are able to identify what their needs are. This is what we do: we create inventories for administrative positions and other job openings, but we do not place people. It is up to the managers to determine their own needs.
We did not study the reasons why they used a particular inventory over another. We did not look at that in the study, other than a survey question on why they used it. We did not ask them how they identified their needs or how they came to their decisions.