Selected Publications

2019 Language and identity: lessons from a unique Afrikaans community in Patagonia. In The Conversation, January 8, 2019. (With Nicholas Henriksen, Lorenzo García-Amaya, Paulina Albnerto, Victoria Langland, Ryan Szpiech, and Joshua Shapero.) (Link to online version.)
2018 Individual and community level variation in phonetics and phonology. In David Bradley, and Rajend Mesthrie, eds. The Dynamics of Language. Cape Town: University of Cape Town Press. p. 176-192.
2018 Afrikaans in Patagonia: Voices of displacement. Babel: The Language Magazine, August 2018:16-21. (With Nicholas Henriksen, Lorenzo García-Amaya, Paulina Albnerto, Victoria Langland, Ryan Szpiech, and Joshua Shapero.)
2018 The time course of individuals’ perception of coarticulatory information is linked to their production: implications for sound change. Language, 94:931-968. (With Pam Beddor, Julie Boland, Kevin McGowan, and Will Styler.)
2018 Plosive voicing in Afrikaans: differential cue weighting and tonogenesis. Journal of Phonetics, 66:185–216. (With Pam Beddor, Kerby Shedden, Will Styler, and Daan Wissing.) (open access link)
2016 A comprehensive model of phonological variation: grammatical and non-grammatical factors in variable nasal place assimilation. Phonology, 33:211-246. (pre-publication version)
2014 Grammatical change through lexical accumulation: Voicing co-occurrence restrictions in Afrikaans. Language, 90:693-721. (pre-publication version)
2014 Gestural Gestural reduction, lexical frequency, and sound change: a study of post-vocalic /l/. Laboratory Phonology, 5:9-36. (With Susan Lin and Patrice Beddor.)
2013 The time course of perception of coarticulation. Journal of the Acoustical Society of America, 133(4):2350-2366. (With Patrice Beddor, Kevin McGowan, Julie Boland and Anthony Brasher.)
2013 Frequency biases in phonological variation.Natural Language and Linguisic Theory, 31: 47-89. (With Shigeto Kawahara.)(ROA #1098-0810). [Pre-print version.]
2011 The place of variation in phonological theory. In John Goldsmith, Jason Riggle & Alan Yu, eds. The Handbook of Phonological Theory. 2nd Edition. Oxford: Blackwell. p. 401-434. (ROA #946-0108). [Pre-print version.]  (With Joe Pater.)
2011 Gestural reduction and sound change: an ultrasound study. ICPhS XVII, p. 1250-1253. (With Patrice Beddor and Susan Lin.)
2011 Variation: where laboratory and theoretical phonology meet. In Abigail C. Cohn, Cécile Fougeron, and Marie K. Huffman, eds. Oxford Handbook of Laboratory Phonology. Oxford: Oxford University Press. p. 62-75.
2010 Syllables in speech perception – evidence from perceptual epenthesis. In Charles Cairns & Eric Raimy, eds. Handook of the Syllable. Leiden: E.J. Brill. (pre publication version)
2010 Gradient well-formedness in Harmonic Grammar: Phonological performance as a window on phonological competence. Journal of the Phonetic Society of Japan, 14:13-23. (pre publication version)
2010 Phonetically grounded phonology and sound change: the case of Tswana labial plosives. Journal of Phonetics, 38:404-421(With Rigardt Pretorius.) (link)
2009 Grammar is both categorical and gradient. In Steven Parker, ed.Phonological Argumentation: Essays on Evidence and Motivation. London: Equinox. p. 9-42. (ROA #864-0906). [Pre-print version.]
2009 Introduction: phonological models and experimental data. Phonology, 26:1-8.(With René Kager and Joe Pater.)
2009 Phonological variation and lexical frequency. In Anisa Schardl, Martin Walkow, & Muhammad Abdurrahman, eds. NELS 38. Voiume 1. Amherst: GLSA. p. 189-202. [“Short version” and “Long version” available on ROA. Short version is the NELS version. The long version contains a few additional appendices.] (ROA #952-0208)
2009 An integrated gramatical/non-grammatical model of phonological variation. In Young-Se Kang, et al., eds. Current Issues in Linguistic Interfaces. Volume 2. Seoul: Hankookmunhwasa. p. 267-294. (ROA #1033-0609).
2009 Learning lexical indexation. Phonology, 26:109-145. (ROA #1000-1108). [Pre-print version.]
2008 Weighted constraints and gradient restrictions on place co-occurrence in Muna and Arabic. Natural Language and Linguistic Theory, 26:289-337. (ROA #950-0108) [Pre-print version.] (With Joe Pater.)
2008 Grammaticality and Ungrammaticality in Phonology. Language, 84(2):218-257. (ROA #945-0108). [Pre-print version.]
2007 Post-nasal devoicing in Tswana. In Jürgen Trouvain and William J. Barry, eds.  ICPhS XVI.  p. 861-864. (pdf) (With Susan Lin and Rigardt Pretorius.)
2007 Hamza. In Kees Versteegh, Mushira Eid, Alaa Elgibali, Manfred Woidich, and Andrzej Zaborsky, eds. Encyclopedia of the Arabic Language and Linguistics. Volume III. Leiden: E.J. Brill. p. 228-232.(link)
2007 Global and Local Durational Properties in Three Varieties of South African English. The Linguistic Review, 24:263-289 (link) (With Daan Wissing.)
2006 Variation as accessing “non-optimal” candidates. Phonology, 23(3):337-385. (link)
2005 The OCP in the perception of English. In Sonia Frota, Marina Vigario, Maria Joao Freitas, eds. Prosodies. New York : Mouton de Gruyter. p. 223-245. (pre publication version)
2005 With Joe Pater. Lexically Specific Constraints: Gradience, Learnability, and Perception. In Proceedings of the 3rd Seoul International Conference on Phonology. Seoul: The Phonology-Morphology Circle of Korea. 85-119.
2004 What it Means to be a Loser: Non-Optimal Candidates in Optimality Theory . Ph.D. Dissertation, University of Massachusetts , Amherst . (ROA # 687-0904)
2003 Just how many languages are there? In Makoto Kadowaki & Shigeto Kawahara. (eds.) NELS 36 Proceedings of 36 th Meeting the North East Linguistic Society . Amherst : GLSA. p. 103-114. (ROA # 624-1003)
2002 Between-language frequency effects in phonological theory, University of Massachusetts , Amherst. (pdf)
2002 OO-Correspondence as cumulativity. In Angela Carpenter, Andries W. Coetzee & Paul de Lacy. (eds.) University of Massachusetts Occasional Papers in Linguistics 26: Papers in Optimality Theory II . Amherst : GLSA. p. 27-57. (ROA # 628-1103)
2002 Some mathematical properties of EVAL, University of Massachusetts, Amherst.
2001 Nasal-only syllables in Tswana. In Graham Horwood & Se-Kyung Kim. (eds.) RuLing 2: Working Papers of Rutgers University . New Brunswick : Rutgers University . p. 1-20. (pdf)
2001 Sympathy Theory and the set of potential winners, University of Massachusetts , Amherst. (ROA # 623-1003)
2000 Post-nasal neutralization phenomena in Tswana – more on *N… constraints, University of Massachusetts , Amherst. (pdf)
1999 Hebrew and Aramaic segholation and the generality and ordering of phonological rules . Journal of Semitic Studies , 44:215-226.
1999 Metathesis in Tiberian Hebrew – a perspective from Optimality Theory .Theoretical Linguistics , 25:99-131.
1999 Tiberian Hebrew Phonology: Focusing on Consonant Clusters.
Van Gorcum: Assen, the Netherlands . (Studia Semitica Neerlandica 38.)
1998 The phonology of the two hamza’s of Qur’anic Arabic. Theoretical Linguistics , 24:219-244.
1997 Syllabification and epenthesis in Tiberian Hebrew – perspectives from Optimality Theory. Journal for Semitics , 9:87-128.
1996 Die ingeborenheid-hipotese van die TGG en Dooyeweerd se filosofie.Koers, 61(1): 83-102. [Title in English: The innateness hypothesis of transformational generative grammar and the philosophy of Dooyeweerd.]
1996 Predicting epenthesis sites for Tiberian Hebrew. South African Journal of Linguistics , Supplement 33:3-22.
1996 The neutral reduced vowel, vowel epenthesis and segholate formation in Tiberian Hebrew. South African Journal of Linguistics , Supplement 31:5-21.
1996 Die akoestiese eienskappe van stemlose eksplosiewe van Afrikaans.South African Journal of Linguistics , Supplement 34:63-82. [Title in English: The acoustical properties of the voiceless plosives of Afrikaans.] (With Daan Wissing.)
1995 Berou en bekering in die prediking van die profete: geïnterpreteer binne die raamwerk van die verbond. In die Skriflig , 29(4): 603-622. [Title in English: Repentance and conversion in the message of the prophets: interpreted within the framework of the covenant.]