Based on ALPHA (Lowe, 2000) Norms
TO READ:
"By the age of ___________, 90% of children have suppressed the phonological process of _________________."
| Age 3 | AF = Affrication (e.g. "cho" for "show")
BA = Backing (e.g. "buk" for "bus") VC = Voicing Change (e.g. "dief" for "thief") |
Age 6 | AL = Alveolarization (e.g. "tum" for "thumb")
CR = Cluster Reduction (e.g. "poon" for "spoon") CS = Cluster Simplification (e.g. "twa" for "tray") GL = Gliding (e.g. "wug" for "rug") SD = Stridency Deletion (e.g. "but" for "bus") ST = Stopping (e.g. "toup" for "soup") VO = Vowelization (e.g. "penco" for "pencil") |
| Age 4 | CD = Consonant Deletion (e.g. "bu" for "boot")
DE = Deaffrication (e.g. "sew" for "chew") |
Age 8 | LA = Labialization (e.g. "fad" for "sad") |
| Age 5 | FR = Fronting (e.g. "tey" for "key")
SY = Syllable Deletion (e.g. "mado" for "tomato") |
- Lowe, R.J. (2000) ALPHA (Assessment Link Between Phonology and Articulation Phonology) Revised Test of Phonology. (2000) Mifflinville, PA: ALPHA Speech & Language Resources
