It may be necessary to accept alternatively worded answers. This form of question evaluates information recall and analytic skills. Such tests are hardest to grade, but have the best educational value. These questions challenge students to organize, evaluate, and integrate ideas, as well as demonstrate logical thinking and writing skills. Grading difficulty depends on the complexity of the problem.
Problems test understanding of the material and the ability to apply it.
It may be necessary to accept reasonable alternative answers. Completion questions test for recognition of key terms and concepts. Give enough answers so students can't guess by elimination. This form of test evaluates recognition of relationships between pairs of words or between words and definitions. You may find that some questions involve only rote memorization and that with a small change, you can produce a question which requires a higher level of thought.