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An Analog Study of First Language Dominance and Interference over Second Language
Ramona Houmanfar1, Linda J Hayes, Scott A Herbst
1University of Nevada, Reno.
The Analysis of Verbal Behavior
|April 6, 2012
Summary
This study models how a first language (L1) can dominate a second language (L2) and cause interference. Researchers established language equivalence relations to demonstrate L1 dominance and language interference effects.
Area of Science:
- Psycholinguistics
- Behavioral Psychology
- Cognitive Science
Background:
- Understanding bilingual language acquisition and use is crucial.
- Models are needed to explain language dominance and interference in bilinguals.
- Previous research has not fully captured the dynamic interplay between first and second languages.
Purpose of the Study:
- To design a computational model for first language (L1) dominance over second language (L2) performance.
- To model the interference effects of one language on the other.
- To investigate selection-based and topography-based equivalence in bilingual repertoires.
Main Methods:
- Established two sets of equivalence relations with a common element under varying contextual conditions.
- Overtrained the L1 set relative to the L2 set.
- Assessed L1 dominance by examining performance without contextual stimuli.
- Modeled interference by observing the resurgence of language relations during extinction after inconsistent trials.
- Examined both selection-based (copy text) and topography-based (intraverbal) equivalence.
Main Results:
- Successfully developed an analog for a bilingual repertoire.
- Demonstrated the domination of the L1 over the L2.
- Established the interference of one language over the other.
- Confirmed that both selection-based and topography-based equivalence are relevant to language dominance and interference.
Conclusions:
- The developed model effectively simulates L1 dominance and L2 interference.
- Behavioral principles can explain complex bilingual language phenomena.
- This research provides a framework for understanding the mechanisms underlying language competition and control in bilingual individuals.
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