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Trofimovich, Pavel; Gatbonton, Elizabeth; Segalowitz, Norman – Studies in Second Language Acquisition, 2007
This study investigates whether second language (L2) phonological learning can be characterized as a gradual and systematically patterned replacement of nonnative segments by native segments in learners' speech, conforming to a two-stage implicational scale. We adopt a dynamic approach to language variation based on Gatbonton's (1975, 1978)…
Descriptors: Language Variation, Phonetics, Measures (Individuals), Foreign Countries
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Mellow, J. Dean; And Others – Studies in Second Language Acquisition, 1996
Argues that the study of second-language acquisition theory can be enhanced through time-series research designs. Within the context of investigating the effects of second-language instruction, four main reasons for using T-S design are identified. (95 references) (Author/CK)
Descriptors: Adult Students, Child Language, Construct Validity, Foreign Countries