Development of the Korean Handwriting Assessment for Children Using Digital Image Processing
- Authors
- Lee, Cho Hee; Kim, Eun Bin; Lee, Onseok; Kim, Eun Young
- Issue Date
- 31-Aug-2019
- Publisher
- 한국인터넷정보학회
- Keywords
- Korean Handwriting Assessment; Computer-based assessment; Image processing; Assessment development; Children
- Citation
- KSII Transactions on Internet and Information Systems, v.13, no.8, pp 4241 - 4254
- Pages
- 14
- Journal Title
- KSII Transactions on Internet and Information Systems
- Volume
- 13
- Number
- 8
- Start Page
- 4241
- End Page
- 4254
- URI
- https://scholarworks.bwise.kr/sch/handle/2021.sw.sch/4298
- DOI
- 10.3837/tiis.2019.08.024
- ISSN
- 1976-7277
1976-7277
- Abstract
- The efficiency and accuracy of handwriting measurement could be improved by adopting digital image processing. This study developed a computer-based Korean Handwriting Assessment tool. Second graders participated in this study by performing writing tasks of consonants, vowels, words, and sentences. We extracted boundary parameters for each letter using digital image processing and calculated the variables of size, size coefficient of variation (CV), misalignment, inter-letter space, inter-word space, and ratio of inter-letter space to inter-word space. Children were also administered traditional handwriting and visuomotor tests. Digital variables from image processing were correlated with these previous tests. Using these correlations, we established a three-point scoring system that computed test scores for each variable. We analyzed inter-rater reliability between the computer rater and human rater and test-retest reliability between the first and second performances. The validity was examined by analyzing the relationship between the Korean Handwriting Assessment and previous handwriting and visuomotor tests. We suggested the Korean Handwriting Assessment to measure size, size consistency, misalignment, inter-letter space, inter-word space, and space ratio using digital image processing. This Korean Handwriting Assessment tool proved to have reliability and validity. It is expected to be useful for assessing children's handwriting.
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Collections - College of Medical Sciences > Department of Occupational Therapy > 1. Journal Articles
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