Publications

Unsworth, S., Brouwer, S., de Bree, E. & Verhagen, J. (2019). Predicting bilingual preschoolers’ patterns of language development: degree of non-native input matters. Applied Psycholinguistics. https://doi.org/10.1017/S0142716419000225

Goriot, C., Unsworth, S., van Hout, R., Broersma, M. & McQueen, J. (2019). Differences in phonological awareness performance: Are there positive or negative effects of bilingual experience?. Linguistic Approaches to Bilingualism.

Unsworth, S. (2019). Quantifying experience in heritage language development. In M. Schmid & B. Köpke (Eds.), The Oxford handbook of first language attrition. Oxford: Oxford University Press. 

Unsworth, S., Chondrogianni, V. & Skarabela, B. (2018). Experiential measures can be used as a proxy for language dominance in bilingual language acquisition research. Frontiers in Psychology. https://doi.org/10.3389/fpsyg.2018.01809

Goriot, C., van Hout, R., Broersma, M., Lobo, V., McQueen, J.M. & Unsworth, S. (2018). Using the peabody picture vocabulary test in L2 children and adolescents: effects of L1. International Journal of Bilingual Education and Bilingualism doi:10.1080/13670050.2018.1494131 (Open Access)

Goriot, C., van Hout, R., Unsworth, S., McQueen, J., & Broersma, M. (2018). Language balance and switching ability in children acquiring English as a second language. Journal of Experimental Child Psychology, 173, 168-186.

van den Broek, E., van Oolbekkink-Marchand, H.W., Unsworth, S., van Kemenade, A.M.C., Meijer, P.C. Unravelling upper-secondary school teachers’ beliefs about language awareness: from conflicts to challenges in the EFL context. Journal of Language Awareness, 27,331-353.https://doi.org/10.1080/09658416.2018.1523910

Brouwer, S., Sprenger, S. & Unsworth, S. (2017). Processing grammatical gender in Dutch: Evidence from eye movements. Journal of Experimental Child Psychology, 159, 50-65.  doi:10.1016/j.jecp.2017.01.007

Meroni, L., Smeets, L. & Unsworth, S. (2017). Cross-linguistic influence in scope ambiguity: Evidence for acceleration. In E. Blom, L. Cornips & J. Schaeffer (Eds.), Cross-linguistic influence in bilingualism, pp. 181

de Bree, E., Verhagen, J., Kerkhoff, A., Doedens, W., & Unsworth, S. (2016) Language learning from inconsistent input: Bilingual and monolingual toddlers compared. Infant and Child Development, 6 doi:10.1002/icd.1996 

Rankin, T. & Unsworth, S. (2016). Beyond poverty: Engaging with input in generative SLA. Second Language Research, 34, 563-572doi:10.1177/0267658316648732 

Unsworth, S. (2016). Early child L2 acquisition: Age or input effects? Neither, or both? Journal of Child Language, 43, 603-634. doi:10.1017/S030500091500080X

Unsworth, S. (2016). Quantity and quality of language input in bilingual language development. In E. Nicoladis & S. Montanari (Eds.), Lifespan perspectives on bilingualism(pp. 136-196). Mouton de Gruyter/APA. 

Unsworth. S. (2015). Amount of exposure as a proxy for dominance in bilingual language acquisition. In C. Silva-Corvalan & J. Treffers-Daller (Eds.), Language dominance in bilinguals: Issues of measurement and operationalization (pp. 156-173). Cambridge: Cambridge University Press. 

Unsworth, S., Persson, L., Prins, T. & de Bot, K. (2015). An investigation of factors affecting early foreign language learning in the Netherlands. Applied Linguistics, 36, 527-548.  http://dx.doi.org/10.1093/applin/amt052.

Broek, E. van den, De Graaff, R., Unsworth, S. & Zee, V. van der (2014). Voorstudie Pilot Tweetalig Primair Onderwijs. Groningen: GION. Available for download here

Unsworth, S. (2014). Meertaligheid en jonge kinderen in het gezin. In A. Corda, R. de Graaff, & K. Philipsen (Eds.), Handboek vvto (pp. 67-78)Bussum: Coutinho. (Alleen beschikbaar via website van uitgever.)

de Bree, E. & Unsworth, S. (2014). Dutch and English literacy and language outcomes of dyslexic students in regular and bilingual secondary education. Dutch Journal of Applied Linguistics, 3, 62-81. doi:10.1075/dujal.3.1.04bre

Unsworth, S. (2014). Comparing the role of input in bilingual acquisition across domains. In T. Grüter & J. Paradis (Eds.), Input and experience in bilingual development (pp. 181-201)Amsterdam: John Benjamins.

Unsworth, S. (2014). Contradictory information in the input as the cause of Multiple Grammars: Predictions for bilingual acquisition. Commentary on keynote by Luiz Amaral and Tom Roeper. Second Language Research, 30, 79-83. 
http://dx.doi.org/10.1177/0267658313518485

Unsworth, S., Argyri, F., Cornips, L., Hulk, A., Sorace, A. & Tsimpli, I. (2014). On the role of age of onset and input in early child bilingualism in Greek and Dutch. Applied Psycholinguistics, 35, 765-805. http://dx.doi.org/10.1017/S0142716412000574

Unsworth, S. (2013). Current issues in multilingual first language acquisition. Annual Review of Applied Linguistics, 33, 21-50. http://dx.doi.org/10.1017/S0267190513000044

Unsworth, S. (2013). Testing the Amelioration Hypothesis: Does the illusion hold for other scope phenomena? Commentary on keynote by William O’Grady. Linguistic Approaches to Bilingualism, 3, 357-361. http://dx.doi.org/10.1075/lab.3.3.15uns

Unsworth, S. (2013). Review: Erika Hoff (Ed.),  Research methods in child language: A practical guideFirst Language, 33, 325-328. doi: 10.1177/0142723712454954.

Unsworth, S. (2013). Assessing age of onset effects in (early) child L2 acquisition. Language Acquisition, 20, 74-92. http://dx.doi.org/10.1080/10489223.2013.766739

Unsworth, S. (2013). Assessing the role of current and cumulative exposure in simultaneous bilingual acquisition: The case of Dutch gender. Bilingualism: Language and Cognition, 16, 86-110http://dx.doi.org/10.1017/S1366728912000284

Unsworth, S., Argyri, F., Cornips, L., Hulk, A., Sorace, A. & Tsimpli, I. (2011). Bilingual acquisition of Greek voice morphology and Dutch gender: What do they have in common?In N. Danis, K. Mesh & H. Sung (Eds.), Proceedings of the 35th annual Boston University Conference on Language Development, (pp. 590-602). Somerville, MA: Cascadilla Press. 

Unsworth, S., Hulk, A., & Marinis, T. (2011). Internal and external factors in child second language acquisition. Introduction to spotlight issue of Linguistic Approaches to Bilingualism, 1, 207-212. http://dx.doi.org/10.1075/lab.1.3.00int

A.C.J. Hulk & Unsworth, S. (2010). Bilingualism as a kind of therapy? Comment on keynote by Johanne Paradis. Applied Psycholinguistics, 31, 297-303. http://dx.doi.org/10.1017/S0142716409990452

Unsworth, S. & Blom, E. (2010). Comparing L1 children, L2 children and L2 adults. In E. Blom, & S. Unsworth (Eds.), Experimental Methods in Language Acquisition Research, (pp. 483-492). Amsterdam: John Benjamins. 

Blom, E. & Unsworth, S. (Eds.) (2010). Experimental Methods in Language Acquisition Research. Amsterdam: John Benjamins.

Unsworth, S. & Hulk, A. (2010). L1 acquisition of neuter gender in Dutch: Production and judgement. In J. Costa, A. Castro, M. Lobo & F. Pratas (Eds.), Proceedings of Generative Approaches to Language Acquisition 2009 (pp. 483–492). Cambridge: Cambridge Scholars Publishing. 

A. Gualmini & S. Unsworth (2010). Scope assignment and child language: On the role of the Question under Discussion. In M. Everaert., T. Lentz, H. De Mulder, Ø. Nilsen & A. Zondervan (Eds.), Theoretical Validity and Psychological Reality (pp.99-114). Amsterdam: John Benjamins. G

Unsworth, S. (2010). Review of Herschensohn’s Language Development and Age.Journal of Linguistics, 46, 235-239. U

Unsworth, S. & Hulk, A. (2009). Early successive bilingualism: Disentangling the relevant factors. Commentary on keynote by Jürgen Meisel. Zeitschrift für Sprachwissenschaft, 28, 69-77. 

Unsworth, S. (2009). First and second language development from a UG perspective. In K. de Bot, S. Makoni & R. Schrauf (Eds.), Language Development over the Lifespan (pp. 19-39). Mahwah, NJ: Lawrence Erlbaum. U

Unsworth, S. (2008). Comparing child L2 development with adult L2 development: How to measure  L2 proficiency. In E. Gavruseva, E. & B. Haznedar (Eds.), Current Trends in Child Second Language Acquisition (pp. 301-336). Amsterdam: John Benjamins. 

Unsworth, S., A. Gualmini & C. Helder (2008). Children’s interpretation of indefinites in sentences containing negation: A re-assessment of the cross-linguistic picture. Language Acquisition, 15, 315-328. doi: 10.1080/10489220802338742 

Unsworth, S. (2008). Age and input in the acquisition of grammatical gender in Dutch. Second Language Research, 24, 365-396. doi: 10.1177/0267658308090185 

Unsworth, S. (2007). L1 and L2 acquisition between sentence and discourse: Comparing production and comprehension. Lingua, 117, 1930-1958. doi:10.1016/j.lingua.2006.11.009

Unsworth, S., Parodi, T., Sorace, A., & Young-Scholten, M. (Eds.) (2006). Paths of Development in L1 and L2 acquisition. Amsterdam: John Benjamins.

Unsworth, S. (2005). Child L2, Adult L2, Child L1: Differences and Similarities. A study on the acquisition of direct object scrambling in Dutch. PhD thesis, Utrecht University. 

Unsworth, S. (2004). On the syntax-semantics interface in Dutch: Adult and child L2 acquisition compared. International Review of Applied Linguistics, 42, 173-187. doi: 10.1515/iral.2004.008 

Unsworth, S. (2003). Testing Hulk & Müller (2000) on crosslinguistic influence:  Root Infinitives in a bilingual German/English child. Bilingualism: Language and Cognition, 6, 143-158. doi: 10.1017/S1366728903001093 

Armstrong, N. & Unsworth, S. (1999). Sociolinguistic variation in Southern French schwa. Linguistics, 37, 127-156.