Abstract:
The aim of this research were: 1. to find out the speech sounds produced by 2 and
3 years old children, 2. to explain how the phonological process of the speech
sounds produced. The data of this research was taken 4 children from Jln.Sei
Mencirim Sunggal. Kabupaten Deli Serdang. Sumatera Utara. The first 2 years
old children is Fauzan, lives at Jln. Pasar 5 Sei Mencirim Sunggal. And the
second 2 years old children is Nurul, lives at jln. Pasar 4 Sei Mencirim Sunggal.
The first 3 years old children is Fadil, lives at Gg. Cimandiri Paya Bakung Dusun
3 Hilir. And the second 3 years old children is Kaisa, lives at Pasar 4 Sei
Mencirim Sunggal. This study applied qualitative descriptive method. The
techniques for collecting the data were observation, the observation conducted for
time period of one month. Based on the observation, Fauzan produced 7 vocals [a,
i, u, e, o, ¶, , e] and 13 consonants [b, c, d, h, k, l, m, n, ŋ, p, t, w, y], and Nurul
produced 7 vocals [a, i, u, e, o, ¶, e] and 15 consonants [b, d, g, h, j, k, l, m, n, ñ, ŋ,
p, t, w, y]. Fadil produced 8 vocals [a, i, u, e, o, ¶, , e] and 16 consonants [b, c,
d, g, h, j, k, l, m, n, ŋ, p, s, t, w, y], and Kaisa produced 7 vocals, [a, i, u, e, o,
¶, e] and 16 consonants [b, c, d, g, h, j, k, l, m, n, ŋ, p, s, t, w, y]. In this research,
it was found that the phonological processes produced by the children are:
Substitution, Assimilation and Syllable Structure. It was concluded that the
development of phonological acquisition on 2 and 3 years old children vary
depending on the children’s age and family environment
