The processes were analysed using data from a standardized sample of an Icelandic articulation test, Málhljóðapróf ÞM. Phonological processes were analysed in the speech of 433 Icelandic children aged 2; 6-7; 11 years.
Með hljóðferlagreiningu má þannig leggja mat á hvort málhljóðaröskun sé til staðar eða ekki. Alls voru hljóðferli greind í tali 433 barna á aldrinum 2; 6-7; 11 ára.