I think the expert witness is an invaluable concept and is as strong as a direct observation,just as the other posts suggest it is better for an expert/specialist to judge the performance, however and correct me if i am wrong: 1, the Expert witness has to provide a CV,certificates etc to be held on file at the assessment centre, 2,they have to have an L20/A1,or have quantifyable experience in assessing in the workplace(ie Apraisals,performance management). 3, the assessor then has to reference the testimony written by the expert against the standards.
soooo hands up all managers and supervisors who have time to comply with the above, i hope they are out there? seriously though, this is my take on the process,if anyone can suggest otherwise i would be gratefull. |