A Preliminary Study for the Standardization of the Bayley Scales of Infant Development for Korean Infants
Moon Ja Chung,Un Hai Rhee,Kyung Ja Park
Abstract
The purpose of this study was to examine the feasibility of standardizing the Bayley Scales of Infant Development(BSID) for Korean infants. To examine whether the Korean version of BSID is appropriate for Korean infants during the first 30 months of age, the Scale was administered to 285 Korean infants in 14 age groups. The infants were from intact and mostly middle-class families. According to item rewponse analyses of the Mental and the Motor Scales, the passing rate on each item increased by the infant`s age. Regularity rather than irregularity was found on most items. Ordinarily of the Mental and the Motor Scale items in terns of age placement was similar to that of the U. S. sample. Several items, however, could be rearranged based on the data from the Korean sample. The total scores of the Mental and the Motor Scales reflected developmental trends in which score differences with a conjoining age group ranged from 3 to 15 for the Mental Scale, and 2 to 10 for the Motor Scale. Correlations between the two Scales in each age group were low to moderate (.03 to .67), with a median of .34. Reliabilities of the Korean version of the BSID in terms of the split-half reliability coefficients and the tester-observer agreements were satisfactory. Similarities as well as differences were found in developmental trends of infants between two cultures. A further study is needed not only to confirm results of this study but to set forth the standardization of the Bayley Scales to Korean infants.
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