The objective and free evaluation model advocates that evaluation should pay attention to unexpected results, pay attention to the actual results of the curriculum plan, and pay more attention to the degree to which the curriculum plan meets the actual needs.

An evaluation method of curriculum plan. It is emphasized that the focus of evaluation should shift from "expected result of curriculum plan" to "actual result of curriculum plan". The evaluation should not only point to the actual demand, but also consider the degree to which the curriculum plan meets the actual demand.

Scrifen put forward in 1974 that it is beneficial to collect all the information related to the evaluation scheme without telling the evaluated, which is also called aimless evaluation. The biggest feature is that the basis and standard of evaluation is not the predetermined goal of the program maker, but the intention of the evaluated.