Profiles of Early Expressive Phonological Skills - PEEPS (TM) Assessment: KitPhonological development is linked with a childs later success with language and literacy, but tests of early phonological skills are often not sensitive enough for the youngest children. Thats why clinicians need PEEPS, a comprehensive assessment of early phonological skills developed specifically for toddlers 1836 months. Created by leading experts in early phonological development and speech sound disorders, PEEPS helps speech language pathologists