• Title/Summary/Keyword: The Observation Scale for Teachers of the Gifted(OSTG)

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The Construct Validation of the OSTG-2 for Screening of The Gifted in Korean Traditional and Western Music (음악(국악)영재성 선별을 위한 교사관찰정보지(OSTG)의 구인타당화)

  • Won, YoungSil
    • Journal of Gifted/Talented Education
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    • v.23 no.1
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    • pp.1-24
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    • 2013
  • The OSTG (Observation Scale for Teachers of the Gifted in Korean Traditional and Western Music) is one of the tools for screening of the Gifted in Korean traditional and Western music. So the validity and reliability of the OSTG-2 has an influence on securing validity of the whole identification process. The purpose of this study is to examine the validity and reliability of the OSTG-2 that input screening processing, and to suggest systematization of identification processing for the Gifted in Korean traditional and Western Music. For the achievement of this purpose, this study administered the OSTG-2 to 195 teachers of gifted students aged between 13 and 16 in the middle or high school for the arts. To validate the OSTG-2, I analyzed items of the OSTG-2, and conducted the exploratory and confirmative factor analysis. I also examined the internal consistency. As a result of the exploratory factor analysis, I collected 22 items of the OSTG-2 finally. Furthermore, I could identify psychological construct of the Gifted in Korean traditional and Western Music. The consequence of confirmative factor analysis, the model provided good fit to observed data. As a result of reliability analysis, the internal consistency of musicality verified cronbach' ${\alpha}$=.852, and the creativity verified cronbach' ${\alpha}$=.894, the task commitment verified cronbach' ${\alpha}$=.924. This result of validity study reflects the fact that the OSTG-2 is a valid scale and is able to input to gifted educational field instantly.