The Acquisition of Spanish Codas: A Frequency/Sonority Approach Author(s): Rafael Núñez-Cedeño Source: Hispania, Vol. 90, No. 1 (Mar., 2007), pp. 147-163 Published by: American Association of Teachers of Spanish and Portuguese Stable URL: http://www.jstor.org/stable/20063476 . Accessed: 02/12/2013 12:33 Your use of the JSTOR archive indicates your acceptance of the Terms & Conditions of Use, available at . http://www.jstor.org/page/info/about/policies/terms.jsp . JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range of content in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new forms of scholarship. For more information about JSTOR, please contact [email protected]. . American Association of Teachers of Spanish and Portuguese is collaborating with JSTOR to digitize, preserve and extend access to Hispania. http://www.jstor.org This content downloaded from 128.248.155.225 on Mon, 2 Dec 2013 12:34:00 PM All use subject to JSTOR Terms and Conditions Theoretical Linguistics Preparedby StanleyWhitley The Acquisition of Spanish Codas: A Frequency/Sonority Approach1 Rafael N??ez-Cede?o University of Illinois at Chicago researchers. They maintain that its coda has attracted the attention of many acquisition children acquire responds to considerable variability. Recent studies show that Spanish-speaking in stressed syllables before producing final ones. They also develop sonorants before obstruents and acquire the plural I-si before Isl. The present study shows that prosody alone does not determine the codas that occur in Spanish. Instead, it claims that sonorant and fricative distributions in a syllable are tied to their Abstract: The development medial codas frequency of production and relative prominence tend to develop at about the same time. It appears frequent occurrences final Isl. The Key Words: Frequency Sonority Hypothesis, of medial Hypothesis, Sonority nasal in the universal sonority hierarchy. Medial and final codas that there is no distinction between the acquisition of /-s/ and in codas are explained as being licensed by a following onset. medial/final Principle, Sequencing codas, Optimality trochee Theory, prosody, Sonority Hierarchy, 1. Introduction 1.1General To Issues on Acquisitions ofCodas speak about the acquisition of syllable structure one must first refer to Jakobson's (1968) monograph on phonological oppositions, where he discusses the order of feature acquisition as the first stage of language development. Afterwards, consonants and vowels follow as thenext step toward thedevelopment of theC V syllable type,which constitutes theunmarked universal syllable.More recent research on thenature of the syllable has revealed thatthe syllable typeC VC follows developmentally thecore C V (Levelt, Schiller, and Levelt 2000). Since Jakobson,many studies have delved into the nature of a single consonant onset, agreeing thatthefirst to emerge are /ptk/.These are also first in the acquisition of complex initial clusters. Typically, while most cross-linguistic studies show that in stop+sonorant onsets, stops are preserved in fricative+obstruent combinations, children eliminate the fricative and preserve the following obstruents (Freitas 2003, Gnanadesikan 2004, Ohala 1999, et al.). Assuming that child phonology is adult-like, recent research on syllable-final consonants has shown that theiracquisition correlates with the considerable variability in theiroccurrences. German and Portuguese children produce codas at a very early stage of acquisition, while English-speaking children favor open syllables (Grijzenhout and Joppen 1999). French children, on the contrary,produce codas at a later stage but do so by first favoring word-final codas as opposed tomedial ones (Rose 2000). Spanish, despite itsvariability of acquisition, appears to do the opposite. Lle? (2003) argues thatSpanish children acquire medial codas triggeredby stress before producing final ones. She also states that theydevelop sonorant before fricative codas, in contradistinction to Portuguese childrenwho show a marked preference for acquiring fricative before sonorant codas (Freitas,Miguel and Hub Faria 2001). Additionally, Lle? contends that Spanish children show a precedence in acquiring codas of stressed determiners as opposed to thefinal plural marker /-s/, whose syllable is unstressed. She furtherclaims that,because of its morphological status, /-s/is acquired before lexical Isl. "The Acquisition of Spanish Codas: Rafael N??ez-Cede?o, A Frequency/Sonority Approach" 90.1 (2007): 147-163 Hispania This content downloaded from 128.248.155.225 on Mon, 2 Dec 2013 12:34:00 PM All use subject to JSTOR Terms and Conditions 148 H?spanla 90March 2007 In this study I first examine the acquisition of codas inMadrid Spanish and look closely at Lle?'s claims (2003) that surfacing codas relate to the development of prosodie and rhythmic structures and to their acquisition in functionwords. She hypothesizes that this preference is bound to syllable development as it interactswith stress.The stressed syllable, being thehead of a trochaic foot, licenses the acquisition of codas. Second, my central argument is that stress and rhythmare not the sole determinants in the acquisition of Spanish. Instead, the distribution of final sonorants and fricatives correlates with frequency of production and with relative prominence as expressed by the universal sonority hierarchy (Ohala 1999). Crucial tomy reasoning is the assumption that an early grammar has moved from a prosodically unmarked structure tomore adult-like syllabic structures.These are the reasons why nasals, laterals, and fricatives in codas seem tomake their early entry into the repertoire of sounds acquired early by Spanish children. The facts show thatmedial and final nasal codas develop at about the same time, contrary toLle?, who asserts that children first ac quire medial over final codas. It also appears thatno distinction ismade between the occurrence of Isl and lexical Isl. The occurrences of final nasals are explained away as a result of theirbeing licensed by the onsets of following obstruents (Ito 1989, Lle? 2003). We will see that internalobstruent codas are altered during acquisition to thepoint of being effaced, a process common to adults' speech in all Spanish varieties. This suggests that edu cators should approach the teaching of pronunciation to English-speaking learners in a more authentic way, for the latterare expected to pronounce obstruent codas, as their textbooks say they should,when native Spanish speakers rarely do. The fact thatamong liquids the IV isfirst to appear and that the tap / (*/ precedes the trill /r/,should help us understand why second-language learnersmay follow this acquisition order regarding rhotics. 2. Spanish Syllable Structure To frame the discussion within the context of Spanish, letus look first at thebasic structure of the syllable that Iwill follow. Essentially, I am assuming the formal speech ofmiddle-class Dominican speakers, which contains deliberately pronounced codas. Assuming the inventory given in (1), the Spanish syllable is structuredas in (2). (1) /ptkbdgfsmnjilr (2) a tj"jx/hwj/ (O) Rhyme Ax CN A (C) Coda A (C) (C) A syllable consists of a rhymewith an obligatory Nucleus,2 which may be optionally pre ceded or followed by a single consonant or two consonants. Any of the consonants in (1) above may head the onset. A more complex onset consists of a stop or the fricative lil followed by a liquid, except for the */dV cluster, i.e.,playa ['plaja] "beach," bianco ['blanko] "white," trama ['t rama] "plot," drama ['?/rama] "drama," crema ['k rema] "cream,"gremio ['g remjo] "syn dicate," flota [7?ota] "fleet." This study focuses on the rhyme, in particular the optional codas. Except for palatals, in adult speech all single consonants can close a syllable. Among these, This content downloaded from 128.248.155.225 on Mon, 2 Dec 2013 12:34:00 PM All use subject to JSTOR Terms and Conditions The Acquisition obstruents occur may in guarded as speech, shown by of Spanish apto ['ap.to] 149 Codas "apt," ?tnico ['et.ni.ko] "ethnic," and acto ['ak.to] "act" ([.] denotes syllable boundary). Isl, however, is the most frequent obstruent in Spanish rhymes (Harris 1983: 17), as inmes [mes] "month," entonces in all final widespread [al.'tu. and "then," [en.'ton.ses] ra] countless positions, delantal "height," as words other in came, [de.Ian.'tal] show. tomar "meat," ['kar.ne] are There "apron." sonorant The coronals l\ "to drink," [to.'mar] coda complex clusters consist of an obstruent or coronal sonorants followed by Isl such as adscrito "adjunct" obstruir [o?z.'trwir] construir [kons.'trwir] clusters in conservative "to obstruct,"perspectiva "to build." Adult speech style, while [perz.pek.'ti.?a] speakers may sonorant+/s/ 1 n/ are altura that may [a?z.'krito] "perspective," and sparingly produce obstruent+/s/ groups are more recurrent, especially thenasal+ Isl combination. All obstruent+fricative clustersmay be simplified to a residual [s], i.e, /obstruir/ is often heard as [os.'trwir]. The coronal In/behaves distinctly depending on the following segment.When followed by a vowel across wa.'ka.tes] word "they it surfaces boundary, eat avocados." However, as when as coronal, found next in comen aguacates to consonants, ['ko.mena, it assimilates their place features: /tronpa/> ['trom.pa]3 "trunk,"/antes/> ['an.tes] "before," /manko/> ['marj.ko] "lame,"/ko.men kar ne/> ['ko.merj 'kar.ne] "they eat meat." Similarly, assimilation takes place with the lateral IV only before coronal consonants within and across word boundary, as in /toldo/ > ['toi .do], "awning," /koltjo/> ['kol.tjb] "cork," /totaldetacfee/> [to.'tal .de. ta. je] "complete detail." The various phonetic manifestations of/n/have led phonologists to suggest it lacks point of articulation and it is thus lexically under- or unspecified for thisfeature (Paradis and Prunet 1989, 1991). The output of/n/ is licensed by the onset of the following consonant (Ito 1988). In utterance-final position, theplace default specification isfilled by the coronal feature. 3. The Acquisition of Spanish Codas: Lle?'s Hypothesis Lle? (2003) examines thedevelopment of codas in the speech of twomonolingual children in Madrid, with an average age of 2.3. Her data show that the emergence of codas interactswith prosody, though she also hypothesizes that semantics could potentially be a triggering factor. Her study reveals thatcodas are produced when the syllable carriesmain stress and are avoided when unstressed. In otherwords, medial codas4 in trochees surface earlier. In addition, medial codas develop before final ones, which goes against the tendencies of English (Goad and Bran nen 2003) and French (Rose 2000) toproduce final consonants beforemedial codas in children's language. In Lle?'s analysis (2003: 278), unstressed medial codas with unspecified /n/surface, whose phonetic varieties are due to theirbeing licensed by a following onset, thereforemaking it easier for children to acquire. She also claims that stress drives the occurrences of contextualized final IV and Inl, in the definite and indefinitearticles el "the" and un "a(n)." However, as will be discussed in section 6, this analysis is complex and must be discarded, because both articles must be restructuredby switching unfooted prosodie materials into a footed structure.Lle? reasons thatdespite the fact thatarticles are unstressed proclitics, Spanish carries secondary stress recursively from the left of themain stressed syllable. As a consequence, these proclitics may carry secondary stress in some instances, functioning, therefore,as head of a phonological phrase. While some codas are the reflex of phonetic substance derived lexically, others, such as the suffixalAn/ inverbs like trabajan "theywork" and theAs/ in casas "houses," denote plurality. Since children need tomake themselves understood, it follows that these plural morphemes should surface early. Lle? only examined theplural marker As/ and concluded thatbecause it is not the head of a foot, itcannot surface.According toLle?, only the head of a foot, the trochee, will allow codas. However, she predicts thatwhen final consonants begin to appear, those carryingmorphological weight should appear firstbecause theyconvey semantic information. It will be shown that this prediction does not hold. This content downloaded from 128.248.155.225 on Mon, 2 Dec 2013 12:34:00 PM All use subject to JSTOR Terms and Conditions 150 H?spanla 90March 2007 4. Two Hypotheses: Frequency inCoda Development and the Sonority Cycle analysis accurately presents the data of the children she studied, confirming her stress effects contribute to the occurrence of coda acquisition inyoung children. that hypothesis Other studies have supported her findings fordifferent languages. Klein (1981), Echols (1992), Echols and Newport (1992) have revealed, for instance, that stress plays a significant role in the production of codas inmultisyllabic words, while unstressed syllables fail to exhibit them.How ever, additional studies focusing on syllabic constituencies have refined theirfindings. Schwartz and Goffman ( 1995) demonstrated, for example, that thepresence of codas did not relate to stress. Rvachew and Andrews (2002) found that intervocalic consonants preceding stressed or un stressed syllables were produced as codas by preschoolers with language acquisition delay. Kirk and Demuth (2003) have argued, on the other hand, thatan integratednumber of factors, among Lle?'s themprosodie environment,word-length, and position within theword, affect theoccurrences of developmental codas. As for thefirst factor, theydetermined thatchildren are less likely to pro duce codas in unstressed syllables than in stressed ones, thus indirectly validating Lle?'s results. This may be explained because at a certain age English codas inunstressed positions are difficult to produce and consequently are hard to perceive (Echols and Newport 1992). Also, unstressed syllables are produced with less duration,which gives articulators less time to ready themselves to produce codas (see Kirk and Demuth 2003, and references cited therein). The key point to note, nevertheless, is thatgiven that children display considerable varia bility of coda acquisition cross-linguistically, and given thatmy findings support the idea that these variations are also foundwithin a language, stressmay not be the only factor for explaining the emergence of Spanish codas but that frequency and sonority play important roles in their production. 4.1 The Frequency Hypothesis This studywill test Stites, Demuth, and Kirk's (2004) hypothesis that the development of consonant types relates to the frequency inwhich they are perceived and produced. Frequency is taken to mean the percentages of accurately produced codas. These researchers have argued thatEnglish-learning children acquire codas depending on the rate of frequency towhich they are exposed to them, and on theirMarkedness in terms of sonority. Their two children showed considerable variability in coda development. While one child preferred the acquisition ofmost frequent final stops over sonorants, theirother child showed the opposite preference, that is, the child privileged Markedness over frequency. According to these researchers, the individual variation shown by the children seems to suggest that they employ different learning strategies. Seen within the context ofOptimality Theory (OT), these strategies imply thata child's produc tion is closer to her ideal forms, ranking higher Faithfulness overMarkedness, while the other child does the reverse. These researchers have thus validated other studies showing that frequency pervades the acquisition of phonological structures, such as stress and minimal word, across languages ( Jusczyk,Cutler and Rendanz 1993, and Kirk and Demuth 2003, among others cited therein). 4.2 The Sonority Hypothesis The "sonority" concept, both phonetically and phonologically, has been difficult to charac terize, although various definitions have been offered. Phoneticians have linked the concept to physical or perceptual parameters, while phonologists have been concerned mostly with issues of formal explanations (Clements 1990:284). Iwill endorse a hybrid approach by taking"sonority" tomean the acoustic properties of the loudness of a given sound in relation to anotherwith equal length, stress, and pitch, all ofwhich interfacewith major class features. The notion of sonority inphonology has a time-honored precedent thatdates back to Sievers (1881), Jespersen (1913), This content downloaded from 128.248.155.225 on Mon, 2 Dec 2013 12:34:00 PM All use subject to JSTOR Terms and Conditions The Acquisition of Spanish Codas 151 Saussure (1916), and Grammont ( 1933). According to them, languages tend todisplay a common pattern in themanner inwhich consonants order themselves with respect to a syllable-peak. Since the latterisnormally a vowel, the segments flanking ittend to show a hierarchical ranking, with glides closer to the vowel, followed respectively by liquids, nasals, fricatives, and stops. Such ranking has led to the establishment of the Sonority Hierarchy in (3). (3) SonorityHierarchy: Optimal Syllable Syllable-initial I I Stops Fricatives Nasals I Liquids Glides Vowels Syllable-final (3) has had importantapplications in the construction of complex onsets and codas as guided by the Sonority Sequencing Principle thatrequires onsets to rise in sonority toward thenucleus and for codas to fall (Clements 1990, Foley 1970, Hooper 1976, Kiparsky, 1979, Selkirk 1982, and Steriade 1982). Both principles summarize alternative strategies employed by children inreducing initialand final consonantal clusters. Still, given that inLle?'s study,as well as inmine, themostly persistent early syllable output is of the unreduced CV and CVC types, I will closely follow Clements's principle of sonority cycle (1990) to shed lighton the rate of final codas acquisition but Iwill maintain the syllable structuregiven in (2). According toClements, the preferred syllable typehas a specific sonority contour thatbe gins with consonants thatare lowest on the sonority scale, then rises tomaximal sonority at the vowel, then slopes down the scale toward the end of the syllable. This means that thepreferred initial consonants are stops, likepa or tawhile final consonants tend to be sonorants, i.e., tan is preferredover tat (Stites,Demuth andKirk 2004). He proposes the sonority scale 0<N<L<G< V (where O = obstruent,N = nasal, L = liquid,G = glide, and V = vowel). In fuller detail, Stites, Demuth, and Kirk propose the following hierarchy: (4) SonorityCycle (afterClements 1990) Stops < fricative < nasals < < < liquids glides vowels [t,d] <[s,f] more marked less sonorant <[m,n]< / [l,r] <[j,w] <[i,a] lessmarked more sonorant Although Clements views fricatives and stops as being of equal rank, he assumes that seg mentai sequences thatdiffer in the [continuant] feature are preferred to sequences agreeing in this feature specification. Therefore, hierarchy (4) captures the spiritof his general hierarchical formulation. The sonority cycle (4) helps to make a number of predictions, independent of stress, concerning the emergence of codas in the speech of Spanish-speaking children, as we will show. This content downloaded from 128.248.155.225 on Mon, 2 Dec 2013 12:34:00 PM All use subject to JSTOR Terms and Conditions 152 H?spanla 90March 2007 5. Seihla's Acquisition of Spanish Codas: A Case-Study Comparison 5.1 General Data Description and Results This study is centered on a three-year longitudinal observation of the early development of the phonology of the author's youngest daughter, Seihla, who, although living in theUnited States, was constantly exposed tohearing Dominican Spanish spoken in thehome setting.5Initial exposure toEnglish was confined to a daily half-hour of educational cartoon inEnglish fromPBS, followed by another half-hour to forty-fiveminutes of similar shows in Spanish transmittedby Spanish networks. The research sessions began with tape and video-recording, and by transcribingSeihla's speech from thebeginning of her firstutterances at age 1.2 up to age 3.7. For the purpose of the present study, Imade a cutoff at age 2.3, which is roughly equivalent to the ages of Lle?'s two children.Her speech was observed at home while interactingwith members of a family ofDominican ethnicity and other Spanish-speaking friends. Speech samples were also obtained by asking the child to name and identifyobjects and animals from children's books, a taskwhich she embraced as a game and found enjoyable. The author transcribed all productions. In addition to Seihla's tokens, and to further supportmy hypothesis, I am also relying on data obtained from two femaleMexican children,whom Iwill name respectively Child I and Child V. Though not observed longitudinally, these children's ages of 2.0 and 2.4 approximate two stages of the age span being observed in Seihla's speech.We will see that theyproduce the same phonological processes noted in Seihla's speech development. Their speech tokens were collected employing similar methodologies, such as prompting the children to narrate stories based on children's book theywere asked to read, familiar TV characters, or family life experien ces. Child I and Child V aremonolingual. Their sample utterances were recorded inmonolingual settings. Since the study focuses on the realization of codas, I examined them in stressed and un stressed contexts. A coda was counted as correct if itapproximated the intended target.Thus, if [h] and [1]are reflexes of the respective Isl and 111,then theyare counted as realized. Unlike Lle?, I did not include glide substitutes for consonants because therewere only two instances of oc currences in Seihla's tokens and bothwere fromEnglish, i.e., birthdaywas rendered as [b?jdej], and Barbie as [b?jbi]. Notice that thefirstone is obviously an English borrowing because Span ish tends to reject penultimate stress inwords ending with branching diphthongal rhymes. There was no record of final codas being replaced by glides in Spanish words. A coda is considered correctly produced insofaras it is identical to the targetat ormore than 50% of the time (cf. Stites, Demuth, and Kirk 2004). Before age two, Seihla showed the typical development of theuniversal CV structure, i.e., ['tato] (< /gato/"cat"), followed by occurrences ofV as in f'awa] (< /agwa/"water"), and of complex nuclei in theformofCVG, where G generally represents the fronthigh glide, as in ['bejbi] (< /bejbi/) "baby" and [4s8jla] (< /sejla/"Seihla"). Also, at this age, Seihla produced a notable output of bisyllabic structures, thereby seemingly supporting thedevelopment of theMinimal Word hypothesis, which claims thatchildren's early prosodie words contain a binary foot (Demuth 1995,Fee 1996,Fikkert 1994). The onset of age 1.7marks the appearance of thefirst codas. Between this age and 2.3 she articulates final [nm rj jl 1s h r]. Table 1 displays these segments regardless of stress location:6 This content downloaded from 128.248.155.225 on Mon, 2 Dec 2013 12:34:00 PM All use subject to JSTOR Terms and Conditions The Acquisition TABLE 1 of Spanish 153 Codas Seihla Final codas Medial target child 1.7 10 1.8 7 1.9 9 7(70%) 5(71%) 2(22%) 1(16%) 4(40%) 9(75%) 5(71%) 47(62%) Age 1.10 6 2.0 10 2.1 12 2.2 7 2.3 75 codas target 2 2 3 5 6 39 2 64 child 1(50%) 1(50%) 0(0%) 0(0%) 1(16%) 15(38%) 0(0%) 36(56%) This table reveals a heightened propensity to favor occurrences of final codas, as in [sals'al] < /sereal/ "cereal" and [to'mas] "Thomas," overmedial ones, as in [?mbe] < /anbre/"hungry" and < [ta'lente] /kaljente/"hot" (for clarity, the targeted codas are inbold types). This preference is sustained even at a laterage, 2.3, as additional data in (5) show. Figures 1 and 2 illustrate the emergence of type of codas by age and percentages. Figure 1 complements partially Table 1and itsresults,namely, thefinal codas /n 1si, tend to appear earlier, and simultaneously, inSeihla's speech. Notice, however, there is a valley at about age 1.9which spikes up at around 2.0. This gap is due to the child not producing sufficientwords with new codas. The tap / x7makes itsappearance at a rather late age, 2.3. The earlier occurrences of the former segments, however, validate the fact thatSeihla is fully capable of articulating them. Figure 1 Types of Final Codas -/n/ c -Is/ ?0) ?. -/I/ -/r/ 1.071.081.091.101.112.002.012.022.032.04 Age On the other hand, Figure 2 shows flatness inpercentage of production for liquids and fricatives inmedial position from the initial stages, privileging only nasals at an earlier stage. Of interest here is the fact thatbefore age 2.0 Seihla failed to produce coda consonants other than nasals. This content downloaded from 128.248.155.225 on Mon, 2 Dec 2013 12:34:00 PM All use subject to JSTOR Terms and Conditions H?spanla 90March 2007 154 Figure 2 Types of Medial Codas 100 90 80 70 60 50 40 30 20 10 0 1.07 ~*r 7n/ 7s/ 71/ 7r/ 1.08 1.09 1.10 1.11 2.00 2.01 2.02 2.03 2.04 Age Both figures show a bias against the hypothesis thatmedial codas tend to surface earlier in Spanish. By comparing Table 1 toTable 2 below, we see a striking,proportional similarity in segment distributions forChild I and Child V incomparison to Seihla's approximate age. TABLE2 Final Age target Child I 2.0 Child V 2.4 11 78 codas Medial child 11(100%) 76(97%) codas child target 15 65 13(86%) 65(100%) Recall that Seihla's percentages of consonantal segments infinal position are higher than her medial ones. Notice inTable 2 thatboth children reproduce this tendency,more notably inChild I,who produced final tokens like [le'on] < /leon/ 'lion' more readily than [la'?ando] < /labando/ "washing." 5.2 Data Description and Results byWord Position and Stress In order to grasp fully the relationship holding between stress and codas, it is important to understand how the Spanish stress system generally works. It is an uncontroversial fact that most words ending in vowels carry penultimate stress,while those ending in consonants have ultimate stress.This kind of stress assignment is fairly canonical inSpanish, with less than 10% ofwords bearing antepenult stress (N??ez-Cede?o andMorales-Front 1999; Lle? 2003:262). To some phonologists Spanish appears to be a quantity-insensitive language, meaning that the shape of a syllable, whether closed or not by consonants or diphthongs, does not count for stress computation. However, others have maintained that, when closed, the penultimate or ultimate syllable attracts stress.The lexical /karanba/and /fusil/,for instance,would yield respec * tively [kar?mba] and [fusil]but not the ill-formed*[k?ramba] nor [f?sil] (Harris 1983,1995). As This content downloaded from 128.248.155.225 on Mon, 2 Dec 2013 12:34:00 PM All use subject to JSTOR Terms and Conditions The Acquisition of Spanish Codas 155 this debate has not been settled yet (Roca 2006), I will follow the canonical pattern sketched above. Assuming a non-committal position regarding stress theories, letus move to thedistribution of final codas in stressed and unstressed positions. Table 3 presents a coda distribution in these contexts,while thedata in (5) provide corresponding examples. TABLE 3 Seihla Final codas stressed Medial unstressed codas stressed unstressed target child 1.7 4 3(75%) 1(50%) 1(25%) 0 0(0%) 1.8 5 4(80%) 0(0%) 2(50%) 0 0(0%) 1.9 4 1(25%) 0(0%) 0(0%) 0 0(0%) 1.10 4 1(25%) 0(0%) 0(0%) 0 0(0%) 2.0 5 3(60%) 0(0%) 1(33%) 0 0(0%) 2.1 10 6(60%) 2(100%) 9(75%) 5 5(100%) 2.2 8 4(50%) 1 1(100%) 8 4(50%) 0 0(0%) 2.3 21 13(61%) 3 1(33%) 30 24(80%) 15 8(53%) Age target child child target target child (5) Examples from Seihla's speech in stressed codas Final stressed Target 1.7 1.8 2.0 /dos/ ['dos] /tres/ ['tes] "three" /sereal/ [sele'al] "cereal" ['mas] "more" /ben/ ['men] "come" /pan/ ['pam] "bread" /tomas/ [to'mas] "Thomas" [Mus] ['?ol] "light" "sun" [panta'lon] "pants" "Halloween" /sol/ 2.2 Gloss [sale'al] /lus/ 2.1 Child /sereal/ /mas/ 1.9 Medial /pantalon/ /halowin/ /tukan/ /limon/ [alo'win] [tu'kan] [li'mon] "cereal" stressed Target Child Gloss /?nbre/ [?mbe] "hungry" /?nbre/ [?mb9] "hungry" /linda/ ['inda "beautiful" /kaljente/ /falta/ [ta'lente] /este/ ['ente] two "toucan" "lemon" ] ['palta] /sjentate/ ['sentate] /sepi'iandome/ [pic?ndome] "hot" "missing" "this one" "sit down" "brushing myself This content downloaded from 128.248.155.225 on Mon, 2 Dec 2013 12:34:00 PM All use subject to JSTOR Terms and Conditions 156 .3 Hispania 90March 2007 "armchair" /elefante/ "nose" [ele'fante] /domingo/ [do'mingo] "Sunday" ['lampana] "lamp" /sijon/ /naris/ [si'jon] /flor/ ['flor] "flower" /telebisjon/ [bi'sjon] "television" [na'dis] /lanpara/ /lor ando/ "elephant" "crying" Qo'dando] /durmjendo/ [du'mjendo/ "sleeping" /eskribjendo/ [eski'bendo] "writing" According toTable 3, Seihla's speech exhibits a productive pattern pointing to a large number of final codas in stressed position up to about age 2.0, thus exceeding medial contexts. It is beyond this age when medial stressed codas improve over final ones. Such a skewed distributional pattern partially supports Lle?'s hypothesis, since the real difference inpercentages takes place at ages 2.1 and 2.3, while at 2.2 the percentages are identical to the former.More importantly, Table 3 illustrates a significant difference of coda realizations inunstressed contexts. Both final and medial positions display a good percentage inproduction, suggesting that the emergence of a coda is not necessarily driven by foot-headedness. Similar conclusions can be reached when comparing Table 3 toTable 4, which corresponds to the output in (6) produced by the twoMexican children. TABLE 4 Final codas Medial stressed unstressed child target Age codas target stressed child target 2.0 4 4(100%) 7 7(100%) 2.4 22 21(95%) 56 55(98%) 7 child unstressed child target 6(85%) 8 7(87%) 28 28(100%) 37 37(100%) (6) Examples of stressed codas fromMexican Child I (2;0;) and Child V (2;4) Final stressed Target 2.0 /asul/ /leon/ 2.4 stressed Medial Child [a'sul] [le'on] Gloss Target "blue" "lion" /bejntidos/ /eskobar/ [bejnti'?os] [esko'?ar] "twenty-two" "Escobar" /kerer/ [ke'rer] "to want" /estas/ [es'tas] "you /ram?n/ [ra'mon] /murjel/ /feros/ [mu'rjel] "Raymond" "Muriel" [fe'ros] "fierce" are" Child Gloss /elefantes / [ele'fantes] "elephants" /labando/ [la'?ando] "washing" /traba'xando/ [tra?a'xando] /konprame/ ['kompame] "working" "buy it for me" /xugando/ [xu'ando] "playing" /grande/ /baskes/ ['gande] "big" ['baskes] "Vasquez" /subiendo/ [su'?jendo] /porke/ /mwerto/ ['porke] "climbing" "because" ['mwerto] "dead" /sandwije/ /entonses/ ['t/angwitje] "sandwich" [en'tonses] "then" The rate of final unstressed codas theyproduced is as high as thepattern Seihla displays inTable 3. Also, Child V's medial coda percentages are identical for stressed and unstressed positions, which supports the idea that stress does seem to be driving the occurrences of medial con sonants. On thebasis of these examples, one cannot help but notice thatpenult stress is thepreferred or perhaps the default solution for stress placement, with the exceptions of antepenultimately This content downloaded from 128.248.155.225 on Mon, 2 Dec 2013 12:34:00 PM All use subject to JSTOR Terms and Conditions The Acquisition of Spanish Codas 157 stressed ['lampana], produced by Seihla, and ['tjarjgwitfe], uttered by Child V. The unusual marked stressed pattern developed very early in Seihla's speech, as it is evident in /musika/ "music" and /makina/ "machine" in (5), which she rendered respectively as ['mukika] and ['makima]. Most words with closed penult syllables carry stress in thatposition, thus partially justifying the quantity-sensitive hypothesis. Also, they show the difficulty a child may ex perience in producing the tap lrl, which is acquired rather late, as additional collected data demonstrate, or itmay be replaced by IV. The latterprecedes Irl in order of acquisition. Other examples in (5) further show a good number of infinitivalverbs lacking final con sonants butwith expected final-stressed syllables. Evidently, Seihla has difficulty inproducing final rhotics inverbs but not so inother lexical itemsand opts instead for thepreferredC V pattern. seems to experience a similar process, as shown by [mo'??] which alternates with [mor'o?r] from /morder/ 'to bite.' Seihla appears to be providing indirect support for ranking low in the constraint hierarchy theNO-CODA markedness constraint (Prince and Smolensky 1993) because the facts presented thus far confirm that she can articulate codas elsewhere. In termsofOT, thiswould require rankingMAX-IO overNO-CODA, as defined in (7). An example isprovided in (8) for [to'mas]. For brevity, I am assuming the application of feature identityand Child V stress constraints. placement (7) NO CODA: No coda consonants MAX-IO: Prince 1995). Every segment in the Inputmust have a corresponding Output (McCarthy and (8)MAX-IO? NO CODA Input: /tomas/ MAX-IO a. ^[to'mas] b. NO-CODA *t [to'ma] While the data in (5) and (6) underscore Lle?'s stress and coda hypothesis, thepercentages presented in Tables 3 and 4 show opposite effects. That is, she has argued thatmedial codas surface early in speech development, yet Seihla's final codas, which emerged at the same age as hermedial ones, seem to challenge Lle?'s hypothesis. The same applies toChild I and Child V. This is supported furtherby thedata given in (9) for Seihla and in (10) for theMexican children. (9) Examples of Seihla's unstressed codas at various ages Final Medial Child Target 1.7 unstressed /grasjas/ Gloss unstressed Target 2.1 [kom'migo] "with me" [telmi'no] "it's /ratonsito/ [daton'sito] "little mouse" /enkontraste/ [enkon'tatle] "you [kon'tento] "happy" /konmigo/ /termino/ /animales/ 2.3 /miki maws/ [anima'des] [miki Gloss "thanks" ['asjas] 2.2 Child 'maws] over" "animals" "Mickey Mouse" /kontento/ This content downloaded from 128.248.155.225 on Mon, 2 Dec 2013 12:34:00 PM All use subject to JSTOR Terms and Conditions found" 158 H?spanla 90March 2007 (10) Examples of Child I and Child V's unstressed codas at 2.0 and 2.4 respectively Final 2.3 unstressed Medial Child Target 2.0 unstressed Gloss Child Target Gloss /estaban / [es'ta?an] "they were" /estaban/ [es'ta?an] /elefantes/ [ele'fantes] "elephants" [eska'po] "they were" "it ran away" /kotfinitos/ /lamas/ [ko'tf initos] "piglets" "call your /eskapo/ /mansana/ [man'sana] /berenxena/ "apple" [beren'xena] /inkreibles/ [inker'i?es] "eggplant" "The Incredibles" ['jamas] self /eskaleras/ [eska'leras] "stairs" /eskobar/ [esko'?ar] "Escobar" /entonses/ [en'tonses] "then" /lexos/ "far" [bejnti'?os] ['lexos] /bejntidos/ /ermanito/ "twenty-two" "little brother" /trabesuras/ [ta?e'suras] "mischiefs" /espanto/ [espan'to] "he /inkreibles/ [inke'i?es] "Incredibles" /pastel/ /morder/ [pas'tel] "cake" /solos/ ['solos] "alone" /tenian / [te'nian] "they /estaban/ [es'ta?an] had" "they were" [erma'nito] [mor"?er] /tfilindrjina/ [tfilin'kina] "to scared it" bite" "Chilindrina" /enkontro/ [enkon'to] "he found" /kontesto/ [kontes'to] "he answered" None of the closed syllables inbold types in these examples, whether infinal ormedial en vironments, aremanifestly stressed. One could argue that theplural marker I-si, as illustratedby [ani'mades] and [eska'leras], is exempt from stress because of its special grammatical status. Also, itmust be assumed, for instance, that thismorpheme isnot computed for stressing,perhaps because it is extrametrical. Yet, such an argument begs the question in the face of forms like < /naris/noted in (5), whose final Isl seems to count for stress [na'dis] placement. But observe that the final syllables of /enton.ses/and /le.xos/ forChild V in (10) are unstressed, suggesting that the final Islmust also be extrametrical, for otherwise theywould attract stress.Whichever theoretical path is taken to account forfinal Isl, the fact remains stubbornlyclear: thefinal syllable is unstressed, and this should not have surfaced, following Lle?'s arguments. 6. Codas inDeterminers Let us look at the behavior of final codas of the respective definite determiner el and of the indefiniteun. I looked at Seihla's performance with these variables and found thatat an early age she shows little evidence of theiruse. At age 1.7 she substitutes the definite article for the re duced vowel [9], as in [9 le'lo] 'the clock' or fuses thatvowel with a preceding preposition, as in [en9 'bapo], 'in thebath(room).' The fullformof an indefinitearticle emerges at age 1.9,while the final IV shows up at age 2.1. Table 5 illustrates the percentages of occurrences of both deter miners, with a significant burst going on at age 2.3, which distinctivelymakes has already achieved full command of theirarticulation infinal position. Table 5 Seihla's article production Codas of definite articles Age 1.7 1.8 1.9 target 1 0 2 Codas child 0(0%0 0(0%) 0(0%) of indefinite articles target 0 0 1 child 0(0%) 0(0%) 1(100%) This content downloaded from 128.248.155.225 on Mon, 2 Dec 2013 12:34:00 PM All use subject to JSTOR Terms and Conditions itobvious that she 1.10 0(0%) 0(0%) 3(100%) 0(0%) 8(72%) 0 1 2.0 2.1 3 2.2 0 2.3 11 The Acquisition 0 0(0%) 1 1(0%) 0 0(0%) 0 0(0%) 21 21(100%) of Spanish Codas 159 Seihla's production of determiners is like thatof the themale child inLle?'s study: he tended to produce both articles, as opposed toMaria, who preferred the indefinitedeterminer. Seihla gave proof of providing a good number of allophonic nasals, as shemanaged to tag them before any kind of following onsets. The definite article, even though more sparsely distributed, behaves in a similar fashion. The samples (11) and (12) illustratedeterminers' distribution for Seihla at age 2.3 and for theMexican children, respectively. The latterdid not provide indefinite determiners in a consonant. ending (11) Seihla's determiners Definite [el [al [el [el [el Indefinite "the car" [urn 'pedo] 'pa:ke] "the [u? 'libro] "the park" book" '?ipo] "the boy" "the lemon" "the [un 'sikulo] "a [um "a monkey" 'kajp] li'mon] [el 'baj?o] (12)Mexican bath" "a [un [um 'baso] [un daton'sito] "a glass" "a little mouse" [un gi'neo] "a banana" 'mono] "a horse" circle" children's determiners Child I Definite [el a'sul] "the blue [la man'sana] "the [la "the apple" house" "the Incredibles" [los "a dog" star" 'teja] 'kabaio] 'kasa] inke'i?es] ChildV one" Definite [el kotfi'nito] [las eska'leras] [el Uo?o] [el pas'tel] [el 'tja?o] [el pa'pa] In keeping with her hypothesis, Lle? analyzes the incidence of codas indeterminers on the basis of their interactionwith stress.That is, since it is the case that indefinitearticles are usually stressed (Navarro Tom?s 1974), she claims that they project their own prosodie structure, the Phonological Word, under the aegis of its commanding phonological phrase. Essentially, the phrase [urn 'baso] would be structurallyrepresented as in (13). (13) PrWd PrWd F a A u I m F A AA baso co This content downloaded from 128.248.155.225 on Mon, 2 Dec 2013 12:34:00 PM All use subject to JSTOR Terms and Conditions 160 H?spanla 90March 2007 Structure (13) conforms to the prosodie rhythmof Spanish and supports Lle?'s predictions for medial position. But Iwill argue in section 7 that theonset licenses thepreceding nasal. The story is differentwhen (13) carries over and applies to definite articles,which are known to function in a proclitic capacity (seeNavarro Tom?s 1974:193). These determiners rarely, ifever,project them selves from a prosodie word but directly from a phonological phrase. Lle? proposes that structure (14), with an unstressed article, is restructured as shown on the right. PPh PPh PrW PrWd F a n i p A o el Ago AA n i ji o The prosodie structure (14) is coherent but factually misguided because Spanish is not known for accenting definite proclitics. There is no real phonetic substance or rhythmicmotiva tion that justifies effecting the structural change in (14) other than achieving consistency of analysis. I am thus submitting that the reason why these codas emerge is due to variability of production triggered by the frequency of exposure to codas. 7. Discussion In lightof the analysis presented thus far, letus revisit again Figures 1 and 2 by relating them to the hypothesis I am advancing here. Recall thatFigure 1 shows an earlier production of codas /n 1si, at age 1.7 forSeihla, as compared with Lle? (2003), whose subjects produced them later,at age 2.0 butwith thenasal outnumbering the other two consonants. This can be explained by the nasal acquiring itsdefault feature specification forplace of articulation,which comes cost-free in the child's grammar. A similar reasoning applies to stressed and unstressed medial nasals pro duced by the children in this study, including thenasal for the indefinitedeterminer,whose place features are licensed by the following onsets, as shown by theirmuch earlier occurrences in How Table 2, and by the data in (9).When no consonant follows, the default is the coronal /n/. ever, inFigures 1 and 2 the fricative I si unexpectedly surpasses inpercentages the occurrences of the liquid IV, and in fact the former appears more frequently infinal position. This seems to confirmEmile Benveniste' s early observation, cited by Jakobson ( 1968:57,90), that liquids, being difficult to produce, are acquired late.We have also argued that I-si surfaces not because of its semantic property,as claimed forPortuguese and Spanish (Lle? 2003, Freitas et al. 2001 ), but be cause examples in (5) show thata final, lexical Isi is also part of Seihla's grammar,which indicates frequency of production. The importantpoint to notice is that the three codas in question emerge simultaneously, varying only in frequency of acquisition, suggesting that Seihla is a frequency-based learner (Stites, Demuth, and Kirk 2004). The variability shown by Seihla in acquiring codas is best explained as a learning strategy that follows a constraint path with a preference for the occur rences of the coronal /n 1 si, appearing concurrently but at a different frequency rate. That is, Seihla's initialperceptions and productions at age 1.7may go against the trendfound in studies wherein children follow thepath inOT of ranking the constraint ofMarkedness higher, over the Faithfulness constraints, for codas (Pater 1997, Grijzenhout and Joppen 1999). My findings support the research on variability by Stites, Demuth, and Kirk, in which they claim that This content downloaded from 128.248.155.225 on Mon, 2 Dec 2013 12:34:00 PM All use subject to JSTOR Terms and Conditions The Acquisition of Spanish Codas 161 Faithfulness outranksMarkedness constraints forfinal codas for theirChild N. Frequency of coda production works in tandem with sonority. To understand this interac tion,we must look at Seihla's phonology before age 1.7. The examples in (15) show she produced mostly open syllables in contexts that called forfinal/medial fricatives or sonorants: (15) Examples of Seihla's early types of codas Child Target 1.2 1.4 /fjorV [ o] "Fior" /papel/ [pe.'pe] /pan/ /tres/ [pa] [te] "paper" "bread" /grasjas/ ['ta.tja] /kaljente/ /karta/ Ii c ente/ ['ke.te] "hot" ['ta.tta] "letter" "front" /ratonsito/ ['pe.te] [tato'tito] (all the above, /abjon/ 1.5 1.6 Gloss "three" "thanks" "little mouse" plus:) [bon] "airplane" "white" /blanka/ ['ba.ka] /pwerta/ [p'e.ta] "door" /lanpara/ ['pa.ta.ba] /pintar/ [pi.'ta] "lamp" "to paint" (all the above, plus: ) six /sejs/ /djes/ [se] [de] /karga(me)/ ['ka.k9] /sjentate/ /sinko/ ['se.ta.ta] up" "sit down" ['si.ko] "five" "ten" "lift me To account for the above data within OT, at this stage of production one will have to assume that overMAX-IO, theopposite of the ranking in (8). Seihla's grammar ranksNO-CODA But she began early coda acquisition with final Inl, suggesting that the surfacing codas obey the Sonority Cycle (4 ). The readerwonders how this can be sowhen the child, having been exposed to both /n 1/,as in avi?n and papel, chooses Inl over IV, thus violating the predictions made by (4). I have already said that it is due to difficulties in articulating liquids. Furthermore, Inl, lacking specification forplace, will acquire thisfeature froma following onset or by default in word-final position. One would also expect the ordered realization of IV and Isl, following the expected predictions from (4). However, we see in Figure 1 thatboth emerge simultaneously, although with a differential in frequency. So, in a sense, their realizations are also obeying which Seihla perceived hierarchy (4), especially ifwe consider forms such as /akto/"act" /digno/, but rendered respectively the simplified ['ato] and ['ino] at 1.5. In this early stage, she is privileging words without codas but begins to demote this tendency by allowing thepresence of branching syllables with nasals. At a later stage, she is faithful to her underlying coda forms but eschews obstruents, thus imitatingadult's casual speech, who normally avoid them. 8. Conclusion To sum up, we have seen thatchildren display considerable variability in theiracquisition of syllabic structures,particularly with respect to codas. Some are bound by prosodie strategies, highlighting the interrelationships among stress, syllable structure and rhythm.Others are guided by consonant types relative to their degree of sonority, and by the frequency of their exposure in the language. Since sonorants are frequently articulated in Spanish codas, and since This content downloaded from 128.248.155.225 on Mon, 2 Dec 2013 12:34:00 PM All use subject to JSTOR Terms and Conditions 162 H?spanla 90March 2007 the sonority cycle predicts they should surface first in the sonority slope, it is expected they should be realized before stops, a fact thathas been tangentially confirmed in this study.Further more, itappears thatchildren tend tomake single consonantal morphemes and lexical segments converge phonetically, without distinguishing them on the basis ofmorphosemantic attributes. The reportedfindingsmay also have some implications for second-language learning, inasmuch they shed light in the order inwhich final consonants are acquired and how they affect pronun ciation. Finally, given that thepresent longitudinal study is based on the speech of one child, albeit supported by data from two other children, additional research is needed to achieve more robust generalizations. NOTES !I am grateful to James Compton, Scott Wakely, and Rosemary Weston for reading, graphing, and com reviewers whose suggestions helped menting on an earlier version of the paper. Thanks go to two of Hispania's me correct some inaccuracies. None are responsible for potential lapses. My heartfelt gratitude and love go to informant. I am also most thankful to Antoinette Seihla, my daughter, for being a playful and cooperative from Mexico's Santana Cepero, Universidad Aut?noma Metropolitana, who made recordings from their archives on children's speech. 2The nucleus in the rhyme may also be preceded by a left-branching structure, consisting of a glide. In this paper I am concerned only with consonants following the nucleus. 3The brackets "<, >" mean "derives from" or "produces," respectively, unless indicated otherwise. 4I will use the term "medial codas" in its broadest meaning as in Lle?'s 2003, which includes both word Hawayek available and Elizabeth to me initial and medial positions. as attested 5At the time research began, it is the author's impression that Seihla was fully Spanish-dominant children would say when visiting and by the fact that she could not understand a word of what English-speaking playing with her, which caused her much frustration for not being understood when speaking Spanish. Also, her Dominican is modeled after her parents' middle-class speech, which tends to contain I si or its aspirated reflex, and non-neutralized liquids in syllable-final positions. 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