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EN
The paper investigates the dynamics of speech rhythm in Polish learners of English and, specifically, how rhythm measurements revealing durational characteristics of vocalic and consonantal intervals through the measures (%V, ΔV, ΔC, VarcoV, VarcoC and nPVI) change along the process of second language acquisition as a result of language experience and phonetic training, and influence rhythmic characteristics of L2 English. The data used for the analysis come from 30 Polish first-year students of the University of Łódź recorded reading two texts (English and Polish) during two recording sessions separated by a 7-month period of language studies and compared to the data obtained from the recordings of native speakers of English. The experiment aims at verifying whether the participants achieve progress in the rhythm measure scores under the influence of language experience and phonetic training, as it has already been confirmed that general proficiency of non-native speakers of English is a key factor contributing to the successful production of rhythmic patterns in English (Waniek-Klimczak 2009, Roach 2002). The results have shown no substantial and consistent progress for the whole group and across all the measures. Statistical tests, however, have revealed significant changes in the subjects' performance with respect to the vocalic measures ΔV and VarcoV. This may reflect the effect of the type of phonetic training the students are offered, which is segment-based with particular emphasis on vowels.
EN
The paper investigates the dynamics of speech rhythm in Polish learners of English and, specifically, how rhythm measurements revealing durational characteristics of vocalic and consonantal intervals through the measures (%V, ΔV, ΔC, VarcoV, VarcoC and nPVI) change along the process of second language acquisition as a result of language experience and phonetic training, and influence rhythmic characteristics of L2 English. The data used for the analysis come from 30 Polish first-year students of the University of Łódź recorded reading two texts (English and Polish) during two recording sessions separated by a 7-month period of language studies and compared to the data obtained from the recordings of native speakers of English. The experiment aims at verifying whether the participants achieve progress in the rhythm measure scores under the influence of language experience and phonetic training, as it has already been confirmed that general proficiency of non-native speakers of English is a key factor contributing to the successful production of rhythmic patterns in English (Waniek-Klimczak 2009, Roach 2002). The results have shown no substantial and consistent progress for the whole group and across all the measures. Statistical tests, however, have revealed significant changes in the subjects' performance with respect to the vocalic measures ΔV and VarcoV. This may reflect the effect of the type of phonetic training the students are offered, which is segment-based with particular emphasis on vowels.
EN
This paper investigates native and non-native speech rhythm in the speech of Polish learners of English at an intermediate/upper-intermediate level. More specifically, it attempts to explore the relationship between rhythm measures scores in L1 Polish and L2 English within individual speakers. Phonological vowel reduction in terms of duration is present in English and crucial for the perception and acoustic measurements of linguistic rhythm. Polish, on the other hand, has no phonological reduction of that kind. The acquisition of L2 vowel reduction is highly determined by the level of language proficiency and influences non-native rhythmic patterns. The study tests six speech rhythm measures: %V, DV, DC, VarcoV, VarcoC and nPVI-V in two tempos: normal and fast. The results show that most of these measures are positively and significantly correlated with each other between L1 Polish and L2 English across the subjects and for two tempos, although to a different degree. Highly significantly correlation has been noted for %V and ΔC in fast tempo. Moderate significant correlations between the two languages are observed for ΔV, ΔC (normal tempo), VarcoV and nPVI in fast tempo.
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