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This Thesis is brought to you for free and open access. It has been accepted for inclusion in Dissertations and Theses by an authorized administrator of PDXScholar. For more information, please contact pdxscholar@pdx.edu. Recommended Citation Weybright, Glenn Douglas, "An investigation of the development of the phonemes /t/and /k/ in the speech of preschool children." (1974). Dissertations and Theses. Paper 2308.