Objectives :This research is to examine how the Korean Personality Inventory for Children (KPI-C) reported by parents or guardians of children, sorts mental retardation(MR), learning disorder(LD) and child psychiatric disorder except MR, LD(Other clinical group). And to examine it´s discriminating power about MR and LD.
Methods : The subjects of this study were 57 children who visited the psychiatric department at Dong;san Hospital, Keimyung University from August 1998 until June 1999. They were given the intelligence test (KEDI-W!SC) and their guardians were given KPI-C. Among the 57, 12 were mentally retarded, 8 had learning disorder anc the rest of the 37 children were included in the other clinical group.
Results : In the correlation analysis, there was a significant negative correlation between Ego Resilience Scale (ERS) and Performance Development Scale(PDL). Negative correlation was shown in Full Scale IQ(FSIQ), Verbal IQ(VIQ), Performance IQ(PIQ) as to Verbal Development Scale (VDL) and PDL scales.
Signifi;ant difference was shown in the VDL and PDL scales not only when MR was compared with other clinical group but also when LD and other clinical group were compared as well. But there wa:> no significant difference in the VDL and PDL scales when MR and LD were compared.
According to the result of discriminant an<~lysis, the exact discriminant rate was shown as 77.2% among MR, LD, and other clinical group by the discriminant function of the three scales(ERS, VDL and PDL). When discrimination rate towards individual groups were looked at, the discriminated rate of other clinical group was 83.80% while 75% was for the MR and 50% for the LD. Considering the effects of ERS, VDL and PDL on the discriminant analysis, VDL scale had the most effect.
Conclusion : It can be quite useful to use only KPI-C for sorting MR, LD, and other clinical group. But it has a limitation to be used as a discrimination tool for the mental retardation and learning disorder.
Therefore, when MR and LD are discriminated, it is needed detailed interviews about child development, and also needed intelligence test and learning ability test.
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