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Individual Differences in Reading Spaced and Unspaced Compound Noun Phrases

The Korean Journal of Cognitive and Biological Psychology / The Korean Journal of Cognitive and Biological Psychology, (P)1226-9654; (E)2733-466X
2019, v.31 no.3, pp.253-264
https://doi.org/10.22172/cogbio.2019.31.3.006


Abstract

An experiment was conducted to investigate individual differences in reading compound noun phrases composed of 5 or 6 nouns with or without inter-word spaces. Participants were assessed on morphological knowledge, spelling recognition, dictation, and author recognition. A principal component analysis for the test scores revealed two principal components: PC1 for overall reading proficiency, and PC2 for spelling-meaning profile. During the experimental session, participants were asked to judge whether compound phrases on the screen had a plausible meaning or not. The results showed clear individual differences in inter-word spacing effects. For real compound phrases, participants with a lower PC2 score showed larger inter-word spacing effects compared with participants with a higher PC2 score. For pseudo-compound phrases, significant interactions between inter-word spacing and PC1 as well as PC2 were also found, suggesting that individual variations in lexical qualities modulated the inter-word spacing effects.

keywords
inter-word spacing, compound noun phrase, individual difference, lexical quality, 단어 간 공백, 복합 명사구, 어휘 품질, 개인차, 한글

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The Korean Journal of Cognitive and Biological Psychology