BOX 8.2 Groups of Sounds Ordered Developmentally Early 8: /m/, /b/, /j/, /n/, /w/, /d/, /p/, and /h/ Middle 8: /t/, /ŋ/, /k/, /g/, /f/, /v/, /t∫/, and /dʒ/ Late 8: /∫/, /θ/, /s/, /z/, /ð/, /l/, and /3/ Adapted from Shriberg, L. D. (1993). Four new speech and prosody-voice measures for genetics research and other studies in developmental phonological disorders. J Speech Hear Res, 36(1), 105-140.
