LINGUISTIC ERRORS OF USING INDONESIAN IN FOREIGN LEARNERS WRITINGS

This research was aimed at describing errors of using Indonesian in foreign learners’ writ- ings and understanding causing factors of those errors. This research applied qualitative- descriptive approach method. The data were sixteen Indonesian writings written by for- eign learners. The findings of this study reveal that there are such linguistic errors related to spelling, such as: errors in capitalization, error in writing affixed and root words, error in writing numbers, error in using punctuations, and error in writing borrowed word; relat- ed to morphology, such as: error in using the root, error in morphophonemic process, and error in using affixes; related to syntax, such as: errors in phrase structure and errors in sentence structure; and related to lexicon, such as: the use of pleonastic words, errors in word choice, and the use of unnecessary interrogative words. Moreover, the causing fac- tors of those errors are linguistic and non-linguistic factors. Linguistic factors can be clas- sified into three factors, they are interlingual factor, intralingual factor, and the daily use of Indonesian. Meanwhile, non-linguistic factors can be classified into two factors, they are imperfect language learning and learner’s community environment. Keywords: Indonesian writing, foreign learner, linguistic errors, the causing factors of errors