1,720,962 research outputs found
Frequenze di occorrenza di consonanti e vocali e delle loro combinazioni nel babbling e nelle prime parole di quattro bambini italiani,
No full textVengono presentati i risultati relativi allo sviluppo fonetico di quattro bambini, di sviluppo fisico e cognitivo normale, registrati con dispositivi professionali nel corso di situazioni di gioco e alla presenza delle madri, agli inizi del 10°, 12°, 14° e 16° mese
The frequency of Consonants and Vowels and their co-occurrences in the babbling and early speech of Italian children.
No full textThe phonetic aspects of babbling and early words were longitudinally investigated in four Italian children from the 10th to the 18th month of age. The speech occurrences were classified for
consonantal and vocalic categories, and the frequencies of single
vowels and consonants, their co-occurrences in the syllable and
the types of syllables have been compared with frequencies drawn
from the segmental and syllabic characteristics of the infant lexical
targets and Italian language in general
LO SVILUPPO FONETICO IN RELAZIONE AGLI STADI DI PRODUZIONE DELLA PAROLA: STUDIO PILOTA DI UNA BAMBINA ITALIANA
No full textDal babbling alla lingua materna. Tendenze universali e aspetti linguo-specifici nello sviluppo fonetico di due bambini italiani
No full textEsiste in letteratura un sostanziale accordo sul rapporto di continuità tra babbling e linguaggio adulto e sul fatto che molte delle caratteristiche fonetiche del babbling e delle prime parole abbiano carattere universale. L’emergere dell’influenza linguo-specifica resta invece un aspetto ancora aperto alla verifica sperimentale.
Il presente lavoro intende indagare tempi e modalità dello sviluppo dell’influenza linguo-specifica entro un arco temporale che va dai 6 ai 18 mesi di vita, cioè dall’emergere nel bambino delle prime produzioni di babbling fino al raggiungimento di un vocabolario
di circa 50 parole. Lo studio consiste in un’analisi segmentale delle produzioni di due soggetti audio-registrati e trascritti a intervalli regolari di 2 mesi. I risultati sono stati analizzati per stadi di età cronologica, in particolare a 6, 8, 10, 12, 14, 16 e 18 mesi. Su tutte
le produzioni, preliminarmente distinte in produzioni classificabili come babbling, e in produzioni classificabili come ‘parole’ (cfr. Vihman & McCune, 1994), sono state effettuate analisi statistiche di tipo descrittivo e inferenziale, allo scopo di rendere conto
della frequenza di: tipi sillabici, classi fonologiche di modo e luogo per le consonanti; classi fonologiche di luogo e altezza per le vocali. I risultati sono stati confrontati con quelli ottenuti sul babbling da Boysson-Bardies et alii (1992) e da Vihman (1996), e sulle
produzioni di 5 bambini italiani tra i 10 e 18 mesi di vita da Zmarich (2008). Inoltre, è stato effettuato un confronto con l’italiano adulto; in particolare, per quanto riguarda i tipi sillabici, il confronto è avvenuto con i dati riportati in Mancini & Voghera (1994) e, per
quanto riguarda l’analisi segmentale, con i risultati di Bortolini et alii (1978).
Una possibile influenza delle strutture fonetiche dell’italiano sulle produzioni dei due bambini, si può riscontrare nella prevalenza di vocali medio-alte (per solo uno dei soggetti) e nell’aumento progressivo delle vocali posteriori e delle consonanti velari per entrambi i soggetti
On the articulatory bases of prominence in Italian
Get PDFThis study reports the first results of a research aimed to investigate how segmental variation is conditioned by prosody in Italian, by examining the acoustic and articulatory properties of syllables that are prominent at different levels of the prosodic hierarchy. We examined lip movement kinematics of unstressed, stressed and nuclearly accented syllables in order to understand the kinematic characteristics of accent-induced articulatory strenghthening. The kinematic results are then interpreted within a Task Dynamics model to evaluate how prosodically-driven variation can be accounted for by a particular dynamical parameter setting in a mass-spring gestural model. vailabl
Going Beyond Counting First Authors in Author Co-citation Analysis
Get PDFThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Variations on the Author
Get PDF“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Appropriate Similarity Measures for Author Cocitation Analysis
Get PDFWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
Dispelling the Myths Behind First-author Citation Counts
Get PDFWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
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