How to write short cases for assessing problem-solving skills

In assessment of problem solving the use of short case-based testing is a p romising developement. In this approach all examination consists of large n umbers of short cases each of which contain a small number of questions. Th ese questions are aimed at essential decisions. Writing such cases, however , is not easy In this article a description of this type of examination is provided. Also strategies and pitfalls are described in writing these cases . These strategies pertain to the selection of essential decisions, the car eful writing of cases and questions and the selection of question formats.