Please take a moment to complete this survey below
Library's collection Library's IT development CancelLanguage is learned by everyone since he or she was a child. The process
rapidly becomes habitual. However, during the period of early lexical acquisition,
children usually experience the extensional error phenomenon. Thus, the writer of
this research is curious to know the extensional error phenomenon of a two-year old
Indonesian boy?s utterances, and intends to know what words that undergo the
extensional error phenomenon and the referents. The writer uses the theory of
Flecther and Whinney as the main theory of this study to identify the extensional
error phenomenon of a two-year old Indonesian boy?s utterances. The writer also uses
some supporting theories about stages of language development by Yule and the
perceptual categories by Anglin. Since this research is a longitudinal study, the data is
taken in twelve weeks observation. In collecting the data, the writer usually takes
notes every time the extensional error phenomenon occurred in the subject?s
utterances. The writer involved in the dialogue and each dialogue is taken in the
natural setting. In this study, the writer found that a two-year old Indonesian boy has
already experienced the extensional error phenomenon. The writer found twenty three
words that undergo the extensional error phenomenon. the division, foe example,
there are seventeen words found by the writer that undergo the overextension
phenomenon, four words that undergo the mismatch phenomenon, and two words
that undergo the underextension phenomenon. Words that undergo the overextension
phenomenon, for instance, kuning, buku, daging ayam, bebek, kuda, Mickey Mouse,
kura-kura, pipit, truk, sendok, lap, obat, bantal, putih, radio, sepatu, bolpen, and
kaset. Four words that undergo the mismatch phenomenon are mobil box, surat,
cincin, and guling. Words that undergo the underextension phenomenon are bantal
and mobil. In addition, the writer also found one word that can be categorized into
two different phenomenons. The word is bantal. It can be categorized into
overextension and underextension. Thus, the writer concludes that the child has
already experienced the extensional error phenomenon.