A Workers do not in turn complete evaluations of the management of the company.
Eliminated This assumption does not have any bearing on productivity of employees.
B Unproductive employees often refuse to co-operate with the managers doing the evaluations, because they see these evaluations as a violation of their privacy.
Eliminated This assumption would invalidate the conclusion itself that monthly assessments are an effective tool.
C Most studies indicate that employee evaluations have no bearing whatsoever on worker satisfaction.
Eliminated This assumption does not have any bearing on productivity of employees.
D Evaluations can identify with some accuracy whether an employee is productive or not.
Suitable As an effective evaluation tool has been define as the one able to better identify unproductive employees. This assumption strengthens the conclusion.
E Employee evaluations are a better source of information about employee grievances than are monthly staff meetings.
Eliminated This assumption does not have any bearing on productivity of employees.