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. 2016 May;25(2):172–182. doi: 10.1044/2015_AJSLP-14-0172

Table 2.

Percent occurrence of phonological processes affecting consonants.

Phonological process Opportunities for occurrence Percent occurrence
Speaker A (age = 37 y, TSE = 7 y), % Speaker B (age = 39 y, TSE = 3 mos), %
Vocalization 34 32.4 52.9
Cluster reduction 84 15.5 15.5
Final consonant devoicing 54 10.7 28.6
Final consonant deletion 111 4.5 12.6
Stopping 101 4.0 11.9
Gliding 36 0.0 13.9
Prevocalic voicing 53 0.0 3.8
Epenthesis 138 0.0 0.0
Average 7.88 17.4

Note. TSE = time speaking English.