Development
Although some two-year-old children demonstrate phonological awareness, for most children, phonological awareness appears in the third year, with accelerating growth through the fourth and fifth years. Phonological awareness skills develop in a predictable pattern similar across languages progressing from larger to smaller units of sound (that is, from words to syllables to onsets and syllable rimes to phonemes). Tasks used to demonstrate awareness of these sounds have their own developmental sequence. For example, tasks involving the detection of similar or dissimilar sounds (e.g., oddity tasks) are mastered before tasks requiring the manipulation of sounds (e.g., deletion tasks), and blending tasks are mastered before segmenting tasks. It should be noted that the acquisition of phonological awareness skills does not progress in a linear sequence; rather, children continue to refine skills they have acquired while they learn new skills.
The development of phonological awareness is closely tied to overall language and speech development. Vocabulary size, as well as other measures of receptive and expressive semantics, syntax, and morphology, are consistent concurrent and longitudinal predictors of phonological awareness. Consistent with this finding, children with communication disorders often have poor phonological awareness.
Phonological development and articulatory accuracy is often correlated to phonological awareness skills, both for children with typical speech and those with disordered speech. In addition to milestones of speech and language development, speech and language processing abilities are also related to phonological awareness: both speech perception and verbal short-term memory have been concurrently and predicatively correlated with phonological awareness abilities.
Read more about this topic: Phonological Awareness
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