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Two experiments were conducted to compare morphological processing of skilled and less skilled Dutch readers. Prefixes and suffixes provide morphological information concerning meaning and/or function of the word stem. There is some empirical support for the hypothesis that these sublexical access units are functionally involved in the process of word recognition. The present study focuses on the role of prefixes as access units in visual word recognition. Adult skilled Dutch readers and elementary school children were presented a lexical decision task using polysyllabic word and nonword items. Prefix Frequency (high/low) and Prefix Quality (true/pseudo prefix ratio) were manipulated. Evidence for differential use of prefix information in adults and elementary school children was found. Characteristic difference patterns between skilled and less skilled readers are discussed. It is concluded that the information accessed by prefixes is semantically combined with the subsequent word stem (root). Characteristics of the prefix plus stem combination largely determine speed of access to the complex word item processed. 相似文献
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Four groups of Dutch readers, (a) beginners, second grade elementary school students with 2 years of reading experience, (b) advanced readers, sixth grade elementary school students with 6 years of reading experience, (c) expert readers, university students with 14 years of reading experience, and (d) poor readers, aged 13 years with 2 years of delay in reading skill, were presented with short stories followed by multiple-choice text comprehension questions. Participants were asked to read the stories for meaning and to circle the letter t whenever it occurred in the text. Five types of detection locations were defined: (1) verb suffix, (2) noun final, (3) intra word, second letter, (4) intra word, prefinal letter, and (5) definite article, final t. Differential detection patterns as a function of reading development were obtained. Beginning readers did not differ in detecting the final t in verbs and nouns, whereas expert readers showed a strong attentional bias to verb suffixes as compared with noun endings. Expert readers missed more intra word letters. In all groups prefinal letters were detected better than second letters in words, thus suggesting a general attentional bias for orthographic information in the second part of Dutch words. The t in the definite article was missed most often in all groups, which suggests sensitivity to word frequency at early stages in reading development. Poor readers did not show differential performance patterns as compared to the other reading groups. The overall developmental pattern can be characterized as a shift from attention for single letter information to attention for more complex morphological information in text. Copyright 2000 Academic Press. 相似文献
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In two reading level design experiments, matched groups of normal and poor readers were compared with regard to their use of phonological and orthographic information. Experiment 1 used a semantic decision task similar to the task described in the study of Jarvella & Snodgrass (1974). Experiment 1 was aimed to assess the way normal and poor readers, matched on reading level, automatically process phonological and orthographic incongruencies when comparing the singular and plural of nouns. Experiment 2 investigated the automatized processing of uppercase-lowercase letter incongruencies in a same-different task using words and pseudowords. It assessed the role of letter feature cues involved in the initial identification process. Experiment 1 demonstrated that poor readers needed more time for evaluating phonologically incongruent word pairs. No independent effect of orthographic incongruency was found. Experiment 2 showed that, if compared with reading age matched normals, poor readers had more problems with evaluating uppercase-lowercase incongruencies. This orthographic processing problem was particularly prominent when pseudowords were presented. It is concluded that poor readers not only have phonological processing problems, but also have difficulties at the orthographic processing level. 相似文献
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The research project “Feedback processes in computer managed spelling instruction” is aimed at developing and testing an instructional software program for teaching the spelling of Dutch verbs. The main focus of this article is on how to create an optimal learning environment. First, theoretical aspects concerning the learning content are discussed. Second, the design of the man-computer interaction is highlighted from a number of respects: the sequencing of the learning content, the presentation of information on the screen, and the format of student input and feedback. Third, some preliminary results of a field experiment, in which the effectiveness of the CAI was investigated, are presented. 相似文献
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