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A Study Of Vowels /Ɛ/ And /Ɪ/ In African American English And Standard American English, Lindsay Stefanski

Master's Theses and Doctoral Dissertations

This study examines the vowels /ɪ/ as in tin and /ɛ/ as in ten in African American English (AAE) and Standard American English (SAE) spoken in the Detroit, Michigan area. I first analyzed the acoustic properties of a number of speech samples to determine vowel quality and duration measurements. I then performed speech perception tests using the same speech samples. My analyses support and contradict claims about AAE and SAE, particularly with respect to speaker participation in vowel shifts such as the Northern Cities Shift (NCS), Southern Shift (SS), and pin-pen merger. My investigation of AAE and SAE vowels also …