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In the present production study, all children uttered single words as well as sentences.

The analysis of the present study considered the word and sentence productions sep-arately as a group result. A future analysis could be conducted to establish an interrelation between the performance in the word and the sentence imitation task within children. This analysis could answer the question whether children who have difficulties producing an initial weak syllable of a single noun are more likely to realize this syllable if it forms part of a trochaic foot in a phrase.

In a future study, bilingual children whose age corresponds to the monolingual age group 1 should be included in the production study for a better comparison be-tween the two language groups. This comparison could reveal whether the bilinguals’

performance develops in a similar way as in the monolinguals and whether the same strategies are applied in the two language groups.

In lapse phrases, the children in both language groups clearly prefer realizing the verbal prefix ge- over the preceding weak syllable to obtain a trochaic pattern.

We ascribe this preference to the greater amount of information carried by the pre-fix compared to the preceding syllable. In a future study, morphological information could be added to the preceding syllable for example by the addition of a plural suffix to find out whether children have a preference for the expression of number (which is expressed by the first weak syllable of the lapse) or time (which is expressed by the second weak syllable). This variable could shed more light on the hierarchy of the maintenance of weak syllables in monolingual and bilingual children.

One drawback in the selection of the weak syllable types in the production study is that children start producing past tense sentences comparatively late due

to the lack of understanding of time. Thus, the verbal prefix appears later than the other two syllable types. Once children start producing past tense sentences, the weak verbal prefix is produced correctly in almost all environments. A future study should take other languages with verbal prefixes into consideration to be able to draw a comparison. This would provide additional evidence for the extent to which gram-matical information influences the realization of weak syllables.

An ongoing EEG-study by Valerie Shafer and Tanja Rinker is investigating babies’ reaction to different types of mispronunciations relating to changes in phono-logical complexity and rhythmic structure. Using the same auditory stimuli as used in the present perception study, interesting parallels can be drawn to the present perception study. Measuring Event Related Potentials shows which regions in the brain are responsible for the processing of the respective error type. The advantages are that the children’s reactions are recorded on-line and in several time intervals which yield more precise data on the processing of the word compared to the present perception study.

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