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The twin situation and its effects on syntax and interactional language over time
Author(s) -
Haden Ricole,
Penn Claire
Publication year - 1985
Publication title -
international journal of language and communication disorders
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.101
H-Index - 67
eISSN - 1460-6984
pISSN - 1368-2822
DOI - 10.3109/13682828509012246
Subject(s) - psychology , dyad , syntax , developmental psychology , dominance (genetics) , language development , linguistics , philosophy , biochemistry , chemistry , gene
Abstract The syntactic and interactive language development of a single twin dyad was investigated longitudinally. One of the dyad was language‐impaired and received therapy. The other child developed essentially normal language. This study was conducted over a nineteen‐month period and examined the effects of the twin situation on language form and function. The language sample was the basis for analysis and separate attention was given to each twin alone with the experimenter and then to the twins' interaction with each other and the experimenter in order to examine patterns of conversational dominance. Results indicated that the presence of the normal twin had a depressing effect on certain language measures of the language‐impaired twin but that this effect became less marked after the institution of therapy.