Phonology project and clinic. Origins, assessment and treatment of child speech disorders. Larry Shriberg principal investigator. The phonology project is concerned with many aspects of speech and language including the following areas: Speech development, speech, speech disorders, speech and otitis media, otitis media, speech and genetics, genetics, apraxia, articulation development, articulation disorders, speech and articulation, phonology, phonology disorders, acoustics and speech, and speech and language.