CHILDES Korean Ryu Corpus


Ju-Yeon Ryu

Tohoku University, Japan

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Participants: 3
Type of Study: longitudinal
Location: South Korea
Media type: video
DOI: doi:10.21415/T5TG8C

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In accordance with TalkBank rules, any use of data from this corpus must be accompanied by at least one of the above references.

Project Description

Ryu Corpus is the Korean L1 data consists of longitudinal video-recorded speech samples of adult-child interaction from three children. The data was collected from February 2009 to March 2011. The data collection period was from one and a half years to two years. Speech samples were taken every one month for 1 hour. No matter how many times they took a recording, caretakers were required to take video totally for 1 hour each month. We set the book-reading situation during caretaker-child interaction at the children’s homes. Caretakers could be mother, father, grandmother, or grandfather.

Table 1: Children in the Longitudinal Data
Children Age range Sex and Sibling Length of Data
JONG 1;3~3;5 M, no siblings 31hr 37min
JOO 1;9~3;10 F, one older sister 29hr 2min
YUN 2;3~3;9 M, no siblings 20hr 36min
Total 81hr15min

This data set covers an extended period of acquisition, and includes relatively early stages of development, which is essential to see the emergence and subsequent development of aspectual marking in children’s speech. The child-directed speech (input) includes the utterances from all of the caretakers. In total, about 81hr 15min of data can be analyzed.

Acknowledgements

This work was supported by JSPS KAKENHI Grant Number 25770140. The project title was “The L1 Acquisition of Korean Tense-Aspect Markers and the Construction of L1 Korean Corpus”.