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The Effect of Task Complexity on Functional Adequacy, Fluency and Lexical Diversity in Speaking Performances of Native and Non-Native Speakers

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De Jong, Nivja H.; Steinel, Margarita P.; Florijn, Arjen F.; Schoonen, Rob; Hulstijn, Jan H. – Language Learning & Language Teaching (MS), 2012

This study investigated how task complexity affected native and non-native speakers' speaking performance in terms of a measure of communicative success (functional adequacy), three types of fluency (breakdown fluency, speed fluency, and repair fluency), and lexical diversity. Participants (208 non-native and 59 native speakers of Dutch) carried…

Descriptors: Indo European Languages, Native Speakers, Scientific Research, English (Second Language)