Human-Computer Interaction: Communication, Cooperation, and Application Design

By Hans-Jörg Bullinger; Jürgen Ziegler | Go to book overview

The structure and functions of ETS GRAD
Ildar Galeev, Larisa Tararina, Sergey Sosnovsky Kazan State Technological UniversityThe urgency of computer-assisted technologies for teaching natural languages (NL), and first of all foreign languages, is constantly growing. To denote computer-assisted teaching NL a special term -- CALL (Computer Assisted Languages Learning) has appeared and is widely used now. The chief disadvantage of the currently available systems of teaching NL is their moderate adaptivity to the learner's individual characteristic features. To overcome the mentioned drawback, it is necessary to develop expert tutoring systems (ETS) which dynamically form a tutoring program in accordance with the learner's being-trained level, in contrast to traditional computer systems functioning in conformity with a strict, preset scenario.The importance of mastering the grammar of the German language in the part of adjective declensions is conditioned by the fact that the knowledge about adjectives is used both for the synthesis, and for the analysis of a sentence in German. When a sentence in German is synthesized, the main task at studying an adjective is to determine its ending correctly. In case of analyzing (understanding) a sentence in German, the knowledge about adjectives may play the most important role when a large variety of analysis problems are being solved:
the subject recognition;
the number distinction;
the extended sentence identification, etc.

So, solving the synthesis problems, the learner acquires some sort of knowledge, which can be also used when analyzing a sentence in German. In this connection it is worthwhile to design ETS GRAD (GR- Grammatik, AD - Adjektive) in which a tutorial task represents a set of sentences in German with the roots of adjectives. The learner has to put the necessary endings in a correct way. A fragment of a tutorial problem can appear as:

Das klein... Kind trinkt warm... Milch.

-682-

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