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The purpose of the current study was to verify discrimination of the K-CBCL 11 Behavior Problem Scale, the diagnostic accuracy of the K-CBCL as a screening tools, and criteria of subtype of various diagnostic cases. The subjects were 358_(271 boys, 87 girls) 4 to 11 year old children who visited the child psychiatry clinic of four university medical centers, two psychiatric hospitals, 358 parents participated in evaluation of those children with the K-CBCL, and the K-CBCL profile was statistically analyzed with cluster analysis. Significant differences in the K-CBCL 11 Behavior Problem Scale were found in the DSM-Ⅳ diagnosed group, subscales of the K-CBCL 11 Behavior Problem Scale were closely associated with the different DSM-Ⅳ diagnosed group. In the results of cluster analysis by the K-CBCL 8 Behavior Problem Scale, the DSM-Ⅳ diagnosed group was classified according to four subtypes. The four subtypes were shown to have differentially DSM-Ⅳ diagnosed group distribution. Anxiety disorder group_(43.9%) was included in the Internalizing Disorder group_(cluster 2), Attention Deficit Hyperactivity Disorder group_(37.0%) was included Externalizing Disorder cluster_(cluster 3). The results showed that it could discriminate the DSM-Ⅳ diagnostic group according to the two classification axes of K-CBCL, Internalizing/Externalizing scales. In the result of discriminant analysis, the K-CBCL 8 Behavior Problem Scale was identified to significant variables in four subtypes, Hit Ratio was identified in 96.1%. These Findings suggest that the K-CBCL is generally accepted as an objective tool for screening in symptoms of psychopathology. Finally, clinical implications and limitations of the current study were discussed.

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White light and compound light were found to be the ideal light sources for improving the functionality and ornamental value of indoor plants and reducing the cost of maintenance, but because compound light hinders people from recognizing the original color of plants and makes their eyes easily tired, white light was considered the optimal light satisfying all of the ornamental value, economic efficiency and functionality resulting from plant growth. On the other hand, in the results of examining physiological changes before and after treatment on fine dust PM10 and carbon dioxide removal capacity in a closed chamber under an artificial light source, the patterns of carbon dioxide and fine dust removal were similar among the treatment groups according to light condition, but according to plant type, the removal rate per unit leaf area was highest in Spathiphyllum and lowest in Dieffenbachia. In the experiment on dust and carbon dioxide removal, the photosynthetic rate was over 2 times higher after the treatment, and the rate increased particularly markedly under compound light and white light, suggesting that the photosynthetic rate of plants increases differently according to light quality. These results show that light quality has a significant effect on the photosynthetic rate of plants, and suggests that plants with a high photosynthetic rate also have a high carbon dioxide and dust removal capacity. In conclusion, the photosynthetic rate of foliage plants increased under white and blue light that affect photosynthesis and the increased photosynthetic rate reduced carbon dioxide and fine dust, and therefore white and compound light were found to be the optimal light sources most functional and economically efficient in improving ornamental value and indoor air quality.