Abstract
We present a psycholinguistic study investigating lexical effects on simplified Chinese character recognition by deaf readers. Prior research suggests that deaf readers exhibit efficient orthographic processing and decreased reliance on speech-based phonology in word recognition compared to hearing readers. In this large-scale character decision study (25 participants, each evaluating 2500 real characters and 2500 pseudo-characters), we analyzed various factors influencing character recognition accuracy and speed in deaf readers. Deaf participants demonstrated greater accuracy and faster recognition when characters were more frequent, were acquired earlier, had more strokes, displayed higher orthographic complexity, were more imageable in reference, or were less concrete in reference. Comparison with a previous study of hearing readers revealed that the facilitative effect of frequency on character decision accuracy was stronger for deaf readers than hearing readers. The effect of orthographic-phonological regularity differed significantly for the two groups, indicating that deaf readers rely more on orthographic structure and less on phonological information during character recognition. Notably, increased stroke counts (i.e., higher orthographic complexity) hindered hearing readers but facilitated recognition processes in deaf readers, suggesting that deaf readers excel at recognizing characters based on orthographic structure. The database generated from this large-scale character decision study offers a valuable resource for further research and practical applications in deaf education and literacy.
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All data and materials are publicly available at https://osf.io/qthfm/.
Notes
Note that while other studies (Bonin et al., 2018; Khanna & Cortese, 2021; Zhang et al., 2006) have similarly found a processing advantage for abstract words, some have found the opposite pattern—i.e., a facilitative concreteness effect (Allen & Hulme, 2006; Bottini et al., 2022; Fliessbach et al., 2006).
Learning strategies refer to actions and mental processes that learners employ to modulate how they encode and internalize information (Weinstein & Mayer, 1986).
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Codes for statistical analyses are publicly available at https://osf.io/qthfm/.
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All experimental materials, data, and analytical scripts are publicly available at the Open Science Framework (https://osf.io/qthfm/).
This research was supported by a GRF grant from the Research Grants Committee (Project Number: 14600220) and a CUHK Faculty of Arts internal grant, both awarded to Z.G. Cai. We thank Weiyun Cai for help in data collection.
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This research was funded by a direct grant from the Faculty of Arts, The Chinese University of Hong Kong, and a grant by the Research Grants Council (14613722), both to ZGC. Additionally, PT is supported by a separate grant from the Research Grants Council (PDFS2122-4H04).
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Conceptualization: ZGC; Methodology: SH, ZGC; Formal analysis: PT, SH, ZGC; Investigation: HL; Writing—Original draft: PT, ZGC, SH; Writing—Review & editing: PT, ZGC, SH, HL. All authors read and approved the final manuscript.
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Thierfelder, P., Cai, Z.G., Huang, S. et al. The Chinese lexicon of deaf readers: A database of character decisions and a comparison between deaf and hearing readers. Behav Res (2023). https://doi.org/10.3758/s13428-023-02305-z
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DOI: https://doi.org/10.3758/s13428-023-02305-z