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Dive into the research topics where Catherine A. Stafford is active.

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Featured researches published by Catherine A. Stafford.


Language Teaching Research | 2014

A fine-grained analysis of the effects of negative evidence with and without metalinguistic information in language development

Beatriz Lado; Harriet Wood Bowden; Catherine A. Stafford; Cristina Sanz

The current study compared the effectiveness of computer-delivered task-essential practice coupled with feedback consisting of (1) negative evidence with metalinguistic information (NE+MI) or (2) negative evidence without metalinguistic information (NE–MI) in promoting absolute beginners’ (n = 58) initial learning of aspects of Latin morphosyntax. This study measured language development on a variety of dependent measures (three comprehension-based tests and one production test), assessing both changes in accuracy and reaction time as well as examining effects on trained (old) vs. untrained (new) items. Although participants under both conditions improved in accuracy and reaction time on all measures, on immediate post-tests, participants receiving metalinguistic information outperformed those who did not. However, this advantage had largely dissipated by the time of the delayed tests. Performance on untrained items also suggests an advantage for metalinguistic feedback on system learning and on transfer of skills from comprehension-based practice to production. Furthermore, we argue, based on findings in cognitive neuroscience, that greater maintenance of gains in accuracy as well as evidence of some faster processing by participants not exposed to metalinguistic information may reflect qualitatively different learning processes at work: more explicit learning in the [NE+MI] group and more implicit learning in the [NE–MI] group (Li, 2010).


International Journal of Bilingual Education and Bilingualism | 2011

Bilingualism and Enhanced Attention in Early Adulthood.

Catherine A. Stafford

Abstract This exploratory study investigated executive attention during nonverbal and verbal processing among adults with a range of bilingual experience. Previous research has found that bilingual children control their attention better than their monolingual peers and that superior attentional control in some processing contexts persists into adulthood among lifelong bilinguals. An open question is whether late-acquired experience learning and using two languages can lead to enhanced executive attention or whether these cognitive advantages are available only to individuals whose bilingualism develops in early childhood. A total of 48 Spanish–English bilinguals completed verbal and nonverbal tasks designed to assess aspects of executive attention including inhibitory control and monitoring and switching of attention (i.e. working memory capacity). Preliminary results suggest an association between bilingual experience and enhanced efficiency of these components of executive attention in the nonverbal domain. Furthermore, a significant relationship between the efficiency of inhibitory control in verbal and nonverbal domains hints at a connection between specific control over language and enhanced domain-general executive control that may be more or less evident depending on task demands. These encouraging pilot results warrant larger-scale replication that brings together data from both linguistic and nonlinguistic processing as bilingualism research seeks to extend its understanding of bilingual cognition.


Frontiers in Psychology | 2015

New Structural Patterns in Moribund Grammar: Case Marking in Heritage German

Lisa Yager; Nora Hellmold; Hyoun-A Joo; Michael T. Putnam; Eleonora Rossi; Catherine A. Stafford; Joseph C. Salmons

Research treats divergences between monolingual and heritage grammars in terms of performance—‘L1 attrition,’ e.g., lexical retrieval—or competence—‘incomplete acquisition’, e.g., lack of overt tense markers (e.g., Polinsky, 1995; Sorace, 2004; Montrul, 2008; Schmid, 2010). One classic difference between monolingual and Heritage German is reduction in morphological case in the latter, especially loss of dative marking. Our evidence from several Heritage German varieties suggests that speakers have not merely lost case, but rather developed innovative structures to mark it. More specifically, Heritage German speakers produce dative forms in line with established patterns of Differential Object Marking (Bossong, 1985, 1991; Aissen, 2003), suggesting a reallocated mapping of case. We take this as evidence for innovative reanalysis in heritage grammars (Putnam and Sánchez, 2013). Following Kamp and Reyle (1993) and Wechsler (2011, 2014), the dative adopts a more indexical discourse function, forging a tighter connection between morphosyntax and semantic properties. Moribund grammars deploy linguistic resources in novel ways, a finding which can help move us beyond simple narratives of ‘attrition’ and ‘incomplete acquisition.’


Hispania | 2017

Two Birds, One Stone, or How Learning a Foreign Language Makes You a Better Language Learner

Beatriz Lado; Harriet Wood Bowden; Catherine A. Stafford; Cristina Sanz

Experience with a second language (L2) has been shown to facilitate learning of a third or subsequent language (L3) (Sanz 2000). However, little is known about how much L2 experience is needed before benefits for L3 development emerge, or about whether effects depend on type of L3 instruction. We report two experiments investigating initial learning of semantic role (agent/patient) assignment in L3 Latin by native English speakers at different levels of formal experience in L2 Spanish (Beginning, Intermediate, Advanced, Very Advanced). In Experiment 1, (N 5 76), learners engaged in a computerized Latin practice session that included metalinguistic information in feedback. In Experiment 2, (N 5 0), feedback indicated only if learners’ responses in practice were right or wrong. Development was operationalized as improvement in accuracy and/or reaction time. Results showed that when feedback was metalinguistic, an intermediate level of formal L2 experience was enough to yield an advantage, however only those learners with very advanced L2 experience showed longer-term retention of that advantage. In contrast, in the absence of metalinguistic feedback, very advanced experience was required for any advantage to appear. These results inform classroom accommodations for learners with different levels of previous language experience.


Language Learning | 2010

Exploring the Relationship between Modified Output and Working Memory Capacity.

Alison Mackey; Rebecca Adams; Catherine A. Stafford; Paula Winke


Language Learning | 2009

Concurrent Verbalizations, Pedagogical Conditions, and Reactivity : Two CALL Studies

Cristina Sanz; Hui-Ju Lin; Beatriz Lado; Harriet Wood Bowden; Catherine A. Stafford


Language Learning | 2012

Optimizing Language Instruction: Matters of Explicitness, Practice, and Cue Learning

Catherine A. Stafford; Harriet Wood Bowden; Cristina Sanz


Archive | 2005

Individual Differences: Age, Sex, Working Memory, and Prior Knowledge

Harriet Wood Bowden; C. Sanz; Catherine A. Stafford


International Journal of Multilingualism | 2010

An experimental study of early L3 development: age, bilingualism and classroom exposure

Catherine A. Stafford; Cristina Sanz; Harriet Wood Bowden


Applied Linguistics | 2016

One Size Fits All? Learning Conditions and Working Memory Capacity in Ab Initio Language Development

Cristina Sanz; Hui-Ju Lin; Beatriz Lado; Catherine A. Stafford; Harriet Wood Bowden

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Beatriz Lado

University of San Diego

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C. Sanz

Georgetown University

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Hui-Ju Lin

Chung Yuan Christian University

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Hyoun-A Joo

Pennsylvania State University

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Joseph C. Salmons

University of Wisconsin-Madison

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Lisa Yager

University of Wisconsin-Madison

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Michael T. Putnam

Pennsylvania State University

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