Title: Use of the Program Winsteps for Analyzing Test Tasks and Test Persons
Abstract: Didactic test is a useful and effective instrument to inform teachers about the knowledge, the skills and the knacks of the individual pupils. Didactic test has the several basic advantages: the testing of a wide range of curriculum, the evaluation of a large number of pupils, enabling an objective comparison of the level of the knowledge; it is easy to use, gives us the effective evaluation (implementation in the short date), resulting in a higher reliability. The quality of the created didactic test depends on suitable created test items. The combination unsuitable test tasks generates a test, that is not suitable for testing, it does not measure what would be measured, it is small reliable and don't report to us any new information on the test person. In making the suitable test items, it is important to concentrate on their difficulty. We can find the difficulty of items according to how many pupils answer correct this item, let us say incorrect. Too easy or too hard items don't give us any information about the differences between the test pupils. Determining the difficulty of test items, their comparison, the determining the reliability of tasks and people we can realize with the program Winsteps. The interesting is also the demonstration that in which persons and which items have been surprising answers. The program offers us the possibility of the results in a tabular form or a graphical form or in the form of a summary graph.