I'm not sure the "disgruntled employee" factor makes much difference. If it is assumed that "disgruntled employees" are more likely to be in a union or read Pprune or respond to a survey, would that not then be the case for all employers involved?
Steve I couldn't agree more, I was just putting fwd what the management stooges are likely to argue....
TWE excellent graph...perhaps add in a differences graph between the groups.
