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English L1, Korean L2, and English bilingual speakers’ perception of English sC sequences:
Gwan hi Yun 한국음운론학회 2017 음성·음운·형태론 연구 Vol.23 No.3
The current study explores the patterns in which English L1, Korean L2 English and English bilingual speakers identify English /sC/ complex onset clusters perceptually in terms of accuracy rates and response times. Additionally, we testify to the predictions which markedness theory, frequency theory, and cue theory make regarding different types of /sC/ clusters: /s+Liquid/, /s+Nasal/, and /s+Stop/. We also investigate how/whether Korean L2 learners’ perceptual patterns differ from those of English bilinguals or native speakers of English. The experimental results showed a novel pattern for Korean L2 listeners such that it does not conform to any predictions by the three theories but partly seems to be consistent with input frequency or cue theory than with markedness based predictions. Also it was found that overall perceptual capacity was lower for Korean learners than for bilinguals or English native speakers, suggesting that English proficiency or input frequency mediates L2 perception. Additionally, it was found that wordhood of the stimuli, homorganicity of /sC/ clusters and individual type of /sC/ cluster affected the identification accuracy and response latencies. Thus, it is suggested that other factors might be sought to account for the variations in the perceptual patterns for complex onsets. (Daegu University)
Korean Speakers` Processing of Affixed Words in English and Korean
( Gwan Hi Yun ) 한국외국어대학교 언어연구소 2013 언어와 언어학 Vol.0 No.58
The present study investigated whether Korean speakers know morphological restrictions on the possible combination of a base and an affix in English and Korean according to the origins of bases and affixes. Lexical decision tasks were performed to examine the processing of derivational affixed words by measuring accuracy and response times. First, results showed that accuracy was higher and response time was faster for Latinate affixed derivational words than for Germanic derivational words in English. Second, affixed words with a Germanic base were processed more accurately and faster than those formed on a Latinate base. Finally, Korean speakers processed both words formed on native Korean affixes and words derived on Sino-Korean affixes with equally higher accuracy and rapidity. These findings suggest that the origin of bases or affixes might be a crucial parameter to organize the mental lexicon in L2 as well as L1, providing additional support for the tenet of lexical morphology. Second, it is indicated that affixed derivation words are processed via dual-route mechanism, evidenced by the significant effects of the origin of a base or an affix and the frequency of base words.
Effects of Relative Frequency of English Complex Words on Korean L2 Learners’ Processing
Gwan hi Yun 현대문법학회 2014 현대문법연구 Vol.80 No.-
This study probes whether relative frequency is a potential factor which can determine Korean L2 speakers access to morphologically complex words and whether their processing pattern varies according to affix type and participants L2 proficiency. A processing experiment was conducted whereby Korean L2 speakers rated English affixed words as more complex and measured their percentages and reaction time. Our results exhibited that subjects judged as more complex the forms where the whole derived words were less frequent than their embedded base forms and that the words which were more frequent than their base forms were judged as less complex in a robust manner like L1 speakers. Further, such a trend did not vary according to their proficiency level and affix type. These findings provide supportive evidence that relative frequency facilitates L2 speakers processing of morphologically complex words. Additionally, they imply that they access L2 derived words through decomposition to constituents such as base forms, supporting dual-route model. Finally, the relative frequency might emerge from an earlier stage of L2 development, coupled with the possibility that affixed words are represented along with frequency of the whole words and their constituents.
Effects of Family Size of English Words on Word Processing by L1, L2, and Bilinguals
Gwan hi Yun 현대문법학회 2016 현대문법연구 Vol.89 No.-
This study investigated the family size effect on English word processing via visual lexical decision task with three different groups of speakers, i.e., L1 English speakers, Korean L2 English learners, and English bilinguals. For English simple nouns, verbs, and adjectives, we examined the effects of the type count of morphologically related members and the surface base-frequency on lexical processing. First, results showed that the family size effect emerged in Korean L2 learners, but it was mostly inhibitory. To be specific, words with a large family size elicited slower response latencies than those with a small family size. However, the facilitatory effect arose for bilinguals and native speakers of English. Second, it was exhibited that high-frequency base words were recognized more quickly than low-frequency counterparts, confirming that token frequency as well as type frequency codetermines their recognition latency. These findings suggest that L1, bilinguals, and L2 learners mental lexicons are organized by morphologically related words along with surface frequency although their effect size differs depending on the amount of language exposure. Finally, building on the results in the current experimental study, we propose a formal account for the processing advantages of words with a large family size under a psycholinguistic model and processing constraints.