Assessment is a step in a process coordinated by comparing the results of others with the aim. The evaluation, therefore, is the link between the work in the past and to plan future work.
Evaluation is a step in the administrative process coordinated by comparing the results of operations for the purpose. Evaluation is a link between the past and planning future work.
Evaluation of a step coordinate in the management process by comparing the effects of operation with the aim. Evaluation is the link between past performance and planning work in the future.