In the present paper vowel lengthenings and non-lexicalizedudfilled pauses were studied in the spontaneous speech ofudchildren and adults (focusing more on the much less studiedudphenomenon: vowel lengthening). The results revealeduddifferent usage and appearance of lengthenings in the twoudage groups, therefore, differences in speech skills andudstrategies can be concluded. LEs and FPs differ mostly inudtheir position in the speech session between the age groups,udwhich has implications regarding different planning strategiesudof adults and children. We also draw conclusions regardingudthe methodological considerations in the issue of identifyingudvowel lengthening supporting a previously formulatedudconception.
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