An experimental elicitation task with children between the ages of 1;8 and 11;3 shows that children learning Thai numeral classifiers begin with purely distributional information: specifically, (1) that classifiers must appear in the post-numeral position, and (2) that classifiers comprise a conventional, closed set of words. Semantic organizing features, such as salient features of the head noun's referent, appear later than these syntagmatic organizing features. Use of such semantic information is not an immature ‘first guess’ at grammatical categories, but rather, a necessary component of adult linguistic competence, because the categories are productive both for older children and for adults.
The purpose of these studies is to characterize children's conception of reversal and its relation to a reference state. A reversal is the move from one state to some prior state of affairs. For example, shoes that have been TIED can be UNTIED, parcels WRAPPED then UNWRAPPED, and dishes COVERED then UNCOVERED. The present studies were designed to find out how children (aged 1;0 to 5;0) describe reversals of action that restore objects to a prior, less constrained, state. In English, the prefix un- offers the most productive device for this, but, initially, children rely on a verb like open, on general purpose undo, and on particles like out and off, As they acquire un-, English-speaking children must learn that this prefix applies primarily to verbs for change-of-state, often for enclosing, covering and attaching. In German, there is no reversal prefix, but there are productive particles. German-speaking children also begin with a verb like open and then turn to verb particles on a course similar to that in English to express reversals.
Link to this article: http://journals.cambridge.org/abstract_S030500090001045XHow to cite this article: Eve V. Clark and Kathie L. Carpenter (1989). On children's uses of from, by and with in oblique noun phrases.
ABSTRACTThis study was designed to follow up children's early spontaneous uses of front to mark oblique agents by giving 40 children (aged 2; 5-6; 1), and 10 adults, grammatical and ungrammatical sentences containing from, with, and by to imitate and to repair. As predicted, children's imitations and repairs showed that (a) 2-year-olds produce from for agents, and with for instruments in imitation; and (b) as children get older, they shift to by for agents in their repairs, and keep from to mark locative sources. These findings support the hypothesis that when children first try to express oblique agents, before acquisition of conventional by, they choose from for this purpose because agents, as instigators of actions, are conceived of as the source of the action and its result.
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