| Value | Category | 
|---|---|
| 1 | some knowledge about his/her site, and no knowledge about th | 
| 2 | good knowledge about his/her site, and very limited knowledg | 
| 3 | expert knowledge about his/her site, and some knowledge abou | 
| 4 | expert knowledge about his/her site, and good knowledge abou | 
| 5 | expert knowledge about his/her site and the rest of the firm |