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Orvis C. Irwin

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Publication

Featured researches published by Orvis C. Irwin.

Journal of Speech and Hearing Disorders | 1948

Infant Speech: Development of Vowel Sounds

Orvis C. Irwin

Journal of Speech and Hearing Disorders | 1947

Infant speech; consonantal sounds according to place of articulation.

Orvis C. Irwin

Journal of Speech and Hearing Disorders | 1948

Infant speech; the effect of family occupational status and of age on use of sound types.

Orvis C. Irwin

Journal of Speech and Hearing Disorders | 1948

Infant speech; the effect of family occupational status and of age on sound frequency.

Orvis C. Irwin

Journal of Speech and Hearing Disorders | 1947

Infant Speech: Consonant Sounds According To Manner Of Articulation

Orvis C. Irwin

Journal of Speech and Hearing Disorders | 1946

Infant speech; vowel and consonant frequency.

Orvis C. Irwin; Han Piao Chen

Journal of Speech and Hearing Disorders | 1952

Speech Development In The Young Child: 2. Some Factors Related To The Speech Development Of The Infant and Young Child

Orvis C. Irwin

Journal of Speech and Hearing Disorders | 1946

Infant Speech Vowel And Consonant Types

Han Piao Chen; Orvis C. Irwin

Journal of Speech and Hearing Disorders | 1955

Phonetic Equipment Of Spastic And Athetoid Children

Orvis C. Irwin

Journal of Speech and Hearing Disorders | 1943

Speech Sound Elements During the First Year of Life: A Review of the Literature

Orvis C. Irwin; Han Piao Chen

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