Guo, Ruohan; Cheng, Fengjie; Evans, Bronwen G; (2023) What you see is (not) what you hear? The role of social expectations on speech intelligibility in a British context. In: Skarnitzl, Radek and Volín, Jan, (eds.) Proceedings of the 20th International Congress of Phonetic Sciences – ICPhS 2023. (pp. pp. 3542-3546). International Phonetic Association: Prague, Czech Republic.

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Abstract

Several studies have found that giving listeners information about the talker affects speech comprehension. This study investigated whether exposing listeners to regionally-meaningful cues has similar effects on the intelligibility of native accents in a British context. Two groups of participants, who differed in their familiarity with Glaswegian (GE) and Standard Southern British English (SSBE), transcribed GE-accented and SSBE-accented sentences at three SNRs (+3 dB, 0 dB, -3 dB) while they were exposed to visual cues indicating (1) a congruent accent region, (2) an incongruent accent region or (3) silhouetted cues representing no specific region. As expected, noise level and accent familiarity affected performance. However, contrary to previous findings, congruence between regional cues and spoken accent did not affect speech intelligibility in either listener group and did not interact with noise level or familiarity. This null result raises questions about the generalizability of the effects of social expectations on speech perception.

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