Displaying 1 - 12 of 12
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Bien, H., Baayen, H. R., & Levelt, W. J. M. (2011). Frequency effects in the production of Dutch deverbal adjectives and inflected verbs. Language and Cognitive Processes, 26, 683-715. doi:10.1080/01690965.2010.511475.
Abstract
In two experiments, we studied the role of frequency information in the production of deverbal adjectives and inflected verbs in Dutch. Naming latencies were triggered in a position-response association task and analysed using stepwise mixed-effects modelling, with subject and word as crossed random effects. The production latency of deverbal adjectives was affected by the cumulative frequencies of their verbal stems, arguing for decomposition and against full listing. However, for the inflected verbs, there was an inhibitory effect of Inflectional Entropy, and a nonlinear effect of Lemma Frequency. Additional effects of Position-specific Neighbourhood Density and Cohort Entropy in both types of words underline the importance of paradigmatic relations in the mental lexicon. Taken together, the data suggest that the word-form level does neither contain full forms nor strictly separated morphemes, but rather morphemes with links to phonologically andin case of inflected verbsmorphologically related word forms. -
Cholin, J., Dell, G. S., & Levelt, W. J. M. (2011). Planning and articulation in incremental word production: Syllable-frequency effects in English. Journal of Experimental Psychology: Learning, Memory, and Cognition, 37, 109-122. doi:10.1037/a0021322.
Abstract
We investigated the role of syllables during speech planning in English by measuring syllable-frequency effects. So far, syllable-frequency effects in English have not been reported. English has poorly defined syllable boundaries, and thus the syllable might not function as a prominent unit in English speech production. Speakers produced either monosyllabic (Experiment 1) or disyllabic (Experiment 2–4) pseudowords as quickly as possible in response to symbolic cues. Monosyllabic targets consisted of either high- or low-frequency syllables, whereas disyllabic items contained either a 1st or 2nd syllable that was frequency-manipulated. Significant syllable-frequency effects were found in all experiments. Whereas previous findings for disyllables in Dutch and Spanish—languages with relatively clear syllable boundaries—showed effects of a frequency manipulation on 1st but not 2nd syllables, in our study English speakers were sensitive to the frequency of both syllables. We interpret this sensitivity as an indication that the production of English has more extensive planning scopes at the interface of phonetic encoding and articulation. -
Levelt, W. J. M. (1976). Formal grammars and the natural language user: A review. In A. Marzollo (
Ed. ), Topics in artificial intelligence (pp. 226-290). Vienna: Springer. -
Levelt, W. J. M., Schreuder, R., & Hoenkamp, E. (1976). Struktur und Gebrauch von Bewegungsverben. Zeitschrift für Literaturwissenschaft und Linguistik, 6(23/24), 131-152.
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Levelt, W. J. M., & Kempen, G. (1976). Taal. In J. Michon, E. Eijkman, & L. De Klerk (
Eds. ), Handboek der Psychonomie (pp. 492-523). Deventer: Van Loghum Slaterus. -
Stassen, H., & Levelt, W. J. M. (1976). Systemen, automaten en grammatica's. In J. Michon, E. Eijkman, & L. De Klerk (
Eds. ), Handboek der psychonomie (pp. 100-127). Deventer: Van Loghum Slaterus. -
De Weert, C., & Levelt, W. J. M. (1976). Comparison of normal and dichoptic colour mixing. Vision Research, 16, 59-70. doi:10.1016/0042-6989(76)90077-8.
Abstract
Dichoptic mixtures of equiluminous components of different wavelengths were matched with a binocularly presented "monocular" mixture of appropriate chosen amounts of the same colour components. Stimuli were chosen from the region of 490-630 nm. Although satisfactory colour matches could be obtained, dichoptic mixtures differed from normal mixtures to a considerable extent. Midspectral stimuli tended to be more dominant in the dichoptic mixtures than either short or long wavelength stimuli. An attempt was made to describe the relation between monocular and dichoptic mixtures with one function containing a wavelength variable and an eye dominance parameter. -
De Weert, C., & Levelt, W. J. M. (1976). Dichoptic brightness combinations for unequally coloured lights. Vision Research, 16, 1077-1086.
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Levelt, W. J. M., Riemersma, J. B., & Bunt, A. A. (1972). Binaural additivity of loudness. British Journal of Mathematical & Statistical Psychology, 25, 51-68.
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Levelt, W. J. M. (1972). [Review of the book Psychometric methods in the study of meaning]. Contemporary Psychology, 17, 586-587.
Abstract
Review of S. Fillenbaum and A. Rapoport, Structures in the subjective lexicon -
Levelt, W. J. M. (1972). Hans Hörmann, Psycholinguistics: An introduction to research and theory [Book review]. Nijmeegs tijdschrift voor psychologie, 20(3), 168-169.
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Levelt, W. J. M. (1972). Some psychological aspects of linguistic data. Linguistische Berichte, 17, 18-30.
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