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Drenth, P., Levelt, W. J. M., & Noort, E. (2013). Rejoinder to commentary on the Stapel-fraud report. The Psychologist, 26(2), 81.
Abstract
The Levelt, Noort and Drenth Committees make their sole and final rejoinder to criticisms of their report on the Stapel fraudAdditional information
https://www.commissielevelt.nl/wp-content/uploads_per_blog/commissielevelt/2013… -
Levelt, W. J. M. (2013). A history of psycholinguistics: The pre-Chomskyan era. Oxford: Oxford University Press.
Abstract
Describes the history of the field in terms of its multidisciplinary "roots" so that readers from different disciplines can concentrate on, or selectively read, the corresponding chapters. * Explores the history of research on brain and language, making the book valuable for aphasiologists, communication scientists and neuroscientists of language. * Covers the history of linguistic approaches to psycholinguistics - making the book of interest to both theoretical and applied linguists. * Written by a scientist whose own contribution to the field has been seminal, resulting in a work that will be seen as the definitive of psycholinguistics, for many years to come How do we manage to speak and understand language? How do children acquire these skills and how does the brain support them?These psycholinguistic issues have been studied for more than two centuries. Though many Psycholinguists tend to consider their history as beginning with the Chomskyan "cognitive revolution" of the late 1950s/1960s, the history of empirical psycholinguistics actually goes back to the end of the 18th century. This is the first book to comprehensively treat this "pre-Chomskyan" history. It tells the fascinating history of the doctors, pedagogues, linguists and psychologists who created this discipline, looking at how they made their important discoveries about the language regions in the brain, about the high-speed accessing of words in speaking and listening, on the child's invention of syntax, on the disruption of language in aphasic patients and so much more. The book is both a history of ideas as well of the men and women whose intelligence, brilliant insights, fads, fallacies, cooperations, and rivalries created this discipline. Psycholinguistics has four historical roots, which, by the end of the 19th century, had merged. By then, the discipline, usually called the psychology of language, was established. The first root was comparative linguistics, which raised the issue of the psychological origins of language. The second root was the study of language in the brain, with Franz Gall as the pioneer and the Broca and Wernicke discoveries as major landmarks. The third root was the diary approach to child development, which emerged from Rousseau's Émile. The fourth root was the experimental laboratory approach to speech and language processing, which originated from Franciscus Donders' mental chronometry. Wilhelm Wundt unified these four approaches in his monumental Die Sprache of 1900. These four perspectives of psycholinguistics continued into the 20th century but in quite divergent frameworks. There was German consciousness and thought psychology, Swiss/French and Prague/Viennese structuralism, Russian and American behaviorism, and almost aggressive holism in aphasiology. As well as reviewing all these perspectives, the book looks at the deep disruption of the field during the Third Reich and its optimistic, multidisciplinary re-emergence during the 1950s with the mathematical theory of communication as a major impetus. A tour de force from one of the seminal figures in the field, this book will be essential reading for all linguists, psycholinguists, and psychologists with an interest in language. Readership: Linguists, psychologists, aphasiologists, communication scientists, cognitive (neuro-)scientists, whether professionals or graduate students. Historians of science -
Cholin, J., Levelt, W. J. M., & Schiller, N. O. (2006). Effects of syllable frequency in speech production. Cognition, 99, 205-235. doi:10.1016/j.cognition.2005.01.009.
Abstract
In the speech production model proposed by [Levelt, W. J. M., Roelofs, A., Meyer, A. S. (1999). A theory of lexical access in speech production. Behavioral and Brain Sciences, 22, pp. 1-75.], syllables play a crucial role at the interface of phonological and phonetic encoding. At this interface, abstract phonological syllables are translated into phonetic syllables. It is assumed that this translation process is mediated by a so-called Mental Syllabary. Rather than constructing the motor programs for each syllable on-line, the mental syllabary is hypothesized to provide pre-compiled gestural scores for the articulators. In order to find evidence for such a repository, we investigated syllable-frequency effects: If the mental syllabary consists of retrievable representations corresponding to syllables, then the retrieval process should be sensitive to frequency differences. In a series of experiments using a symbol-position association learning task, we tested whether highfrequency syllables are retrieved and produced faster compared to low-frequency syllables. We found significant syllable frequency effects with monosyllabic pseudo-words and disyllabic pseudo-words in which the first syllable bore the frequency manipulation; no effect was found when the frequency manipulation was on the second syllable. The implications of these results for the theory of word form encoding at the interface of phonological and phonetic encoding; especially with respect to the access mechanisms to the mental syllabary in the speech production model by (Levelt et al.) are discussed. -
Korvorst, M., Roelofs, A., & Levelt, W. J. M. (2006). Incrementality in naming and reading complex numerals: Evidence from eyetracking. Quarterly Journal of Experimental Psychology, 59(2), 296-311. doi:10.1080/17470210500151691.
Abstract
Individuals speak incrementally when they interleave planning and articulation. Eyetracking, along with the measurement of speech onset latencies, can be used to gain more insight into the degree of incrementality adopted by speakers. In the current article, two eyetracking experiments are reported in which pairs of complex numerals were named (arabic format, Experiment 1) or read aloud (alphabetic format, Experiment 2) as house numbers and as clock times. We examined whether the degree of incrementality is differentially influenced by the production task (naming vs. reading) and mode (house numbers vs. clock time expressions), by comparing gaze durations and speech onset latencies. In both tasks and modes, dissociations were obtained between speech onset latencies (reflecting articulation) and gaze durations (reflecting planning), indicating incrementality. Furthermore, whereas none of the factors that determined gaze durations were reflected in the reading and naming latencies for the house numbers, the dissociation between gaze durations and response latencies for the clock times concerned mainly numeral length in both tasks. These results suggest that the degree of incrementality is influenced by the type of utterance (house number vs. clock time) rather than by task (reading vs. naming). The results highlight the importance of the utterance structure in determining the degree of incrementality. -
Levelt, W. J. M. (2006). Met het oog op de tijd. Nijmegen: Thieme Media Center.
Additional information
full text via Radboud Repository -
Schiller, N. O., Jansma, B. M., Peters, J., & Levelt, W. J. M. (2006). Monitoring metrical stress in polysyllabic words. Language and Cognitive Processes, 21(1/2/3), 112-140. doi:10.1080/01690960400001861.
Abstract
This study investigated the monitoring of metrical stress information in internally generated speech. In Experiment 1, Dutch participants were asked to judge whether bisyllabic picture names had initial or final stress. Results showed significantly faster decision times for initially stressed targets (e.g., KAno ‘‘canoe’’) than for targets with final stress (e.g., kaNON ‘‘cannon’’; capital letters indicate stressed syllables). It was demonstrated that monitoring latencies are not a function of the picture naming or object recognition latencies to the same pictures. Experiments 2 and 3 replicated the outcome of the first experiment with trisyllabic picture names. These results are similar to the findings of Wheeldon and Levelt (1995) in a segment monitoring task. The outcome might be interpreted to demonstrate that phonological encoding in speech production is a rightward incremental process. Alternatively, the data might reflect the sequential nature of a perceptual mechanism used to monitor lexical stress. -
Sprenger, S. A., Levelt, W. J. M., & Kempen, G. (2006). Lexical access during the production of idiomatic phrases. Journal of Memory and Language, 54(2), 161-184. doi:10.1016/j.jml.2005.11.001.
Abstract
In three experiments we test the assumption that idioms have their own lexical entry, which is linked to its constituent lemmas (Cutting & Bock, 1997). Speakers produced idioms or literal phrases (Experiment 1), completed idioms (Experiment 2), or switched between idiom completion and naming (Experiment 3). The results of Experiment 1 show that identity priming speeds up idiom production more effectively than literal phrase production, indicating a hybrid representation of idioms. In Experiment 2, we find effects of both phonological and semantic priming. Thus, elements of an idiom can not only be primed via their wordform, but also via the conceptual level. The results of Experiment 3 show that preparing the last word of an idiom primes naming of both phonologically and semantically related targets, indicating that literal word meanings become active during idiom production. The results are discussed within the framework of the hybrid model of idiom representation. -
Flores d'Arcais, G. B., & Levelt, W. J. M. (
Eds. ). (1970). Advances in psycholinguistics. Amsterdam: North-Holland.Abstract
Research papers, Bressanone conference on psycholinguistics, summer courses of the University of Padova, July 1969 -
Levelt, W. J. M. (1970). A scaling approach to the study of syntactic relations. In G. B. Flores d'Arcais, & W. J. M. Levelt (
Eds. ), Advances in psycholinguistics (pp. 109-121). Amsterdam: North Holland. -
Levelt, W. J. M., Zwanenburg, W., & Ouweneel, G. R. E. (1970). Ambiguous surface structure and phonetic form in French. Foundations of Language, 6(2), 260-273.
Abstract
In modern approaches to phonology a lack of clarity exists on the issue of whether phonetic facts are psychological or physical realities. The results from an experiment suggest that phonetic facts can be considered as psychological realities, but with the restriction that they can (but not necessarily always do) take acoustical shape. More specifically, the syntactic material consisted of ambiguous French sentences of the following sort: On a tourné ce film intéressant pour les étudiants. They were spoken (a) in disambiguating contexts, without the (four) readers noticing the ambiguities, and (b) without context, but with the instruction to make a conscious effort to disambiguate. By tape splicing, the contexts were removed from the context-embedded sentences. Twenty-eight native speakers of French listened to the sentences and judged whether one or the other meaning had been intended by the speaker. Subjects performed significantly above chance: 60% correct identifications for context-embedded sentences, 75% for context-free sentences. Pitch-amplitude analyses were made to determine the acoustical differences involved. -
Levelt, W. J. M. (1970). Hierarchical chunking in sentence processing. Perception & Psychophysics, 8(2), 99-103.
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Levelt, W. J. M. (1970). Hierarchical clustering algorithms in the psychology of grammar. In G. B. Flores d'Arcais, & W. J. M. Levelt (
Eds. ), Advances in psycholinguistics (pp. 101-108). Amsterdam: North Holland. -
Noordman, L. G. M., & Levelt, W. J. M. (1970). Noun categorization by noun-verb intersection for the Dutch language. Heymans Bulletins, HB-70-59EX.
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