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The purpose of the present study was to investigate intraspeaker differences in native (Korean or Spanish) and L2 (English) production through kinematic indices of tongue activity. This involved measurement of the speed, duration, and distance of tongue movements or strokes during speech. Findings indicated that the speakers had significantly slower stroke speeds and longer movement durations for L2 when compared to their native language (L1), yet no significant differences in stroke distance. The bilingual speakers were found to pause more and speak proportionally less of the time in their L2. 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