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Phonological Variation in Messenger Conversations-Conversations of Female Speakers in Seoul 30-50s, Korea, in Their 30-50s

This study aimed to identify the phonological variation in the messenger conversations of female speakers in their 30-50s. In addition, we compared the phonological variation of speakers in their teens and twenties. To this end, we divided phonological variation into replacement, addition, elision, and contraction in the National Institute of the Korean Language messenger corpus and presented the degree of realization using quantitative methods. As a result, we found that replacements accounted for a significant proportion of phonological changes in messenger conversations of people in their 30s and 50s, with a large proportion of vowel replacements and a variety of types. Among the vowel replacements, the degree of vowel rising and labialization was high. In addition to the phonological variants in Messenger conversations reflecting spoken pronunciation, we also observed a number of variants that are not realized in spoken language. In terms of age, the types of vowel replacement, consonant replacement, vowel addition, and consonant addition were more varied in the conversations of 30-50 year olds, while the variation of replacing a plain vowel with a labialized vowel was more active in the conversations of 10-20 year olds.