• Journal of Families and Better Life
• /
• v.13 no.1
• /
• pp.145-156
• /
• 1995

본 연구의 목적은 우리나라 가족 연구와 가족생활교육 및 가족상담 장면에서 활용될 수 있는 가족의 건강도 척도를 개발하는 것이다. 선행연구 및 관련 척도 고찰을 통하여 하위 요인 및 문항을 구성하였고, 문항의 적합도와 안면 타당도 검증 과정을 거쳐 예비조사 도구 100문항이 구성되었다. 가족생활주기별로 344명의 어머니를 대상으로 하였으며, 문항양호도를 파악하기 위하여 X^2$ 값과 Cramer의 V계수를 산출하였고, 척도의 구인타당도를 검증하기 위하여 요인분석을 실시한 결과, 4개 요인(가족간의 의사소통, 가족간의 몰입, 가족원의 적응력, 가족 가치관)이 추출되었으며, 이들은 전체적으로 57%의 설명력을 갖는다. 또한 회귀분석을 실시하여 각 요인별 문항을 선정함으로서 최종적으로 34문항이 구성되었다. '가족 건강도' 척도 및 그 하위 요인과 ${\ulcorner}Family\;Adaptability\;and\;Cohesion\;Evaluation\;Scale{\lrcorner}$, ${\ulcorner}Family\;Stengths\;Scale{\lrcorner}$과의 상관계수는 .25에서 .56사이로 나타나 본 척도의 공인타당도가 입증되었다. 척도의 신뢰도는 Cronbach의 a계수 .94로 나타났으며, 하위요인별로는 .80에서 .91로 만족스럽게 나타났다.

• Journal of the Korea Society of Computer and Information
• /
• v.18 no.1
• /
• pp.177-183
• /
• 2013

In this paper, Cohen's kappa and weighted kappa are applied to measuring classification accuracy when performing classification in data minig. Cohen's kappa compensates for classifications that may be due to chance and is used for the data with nominal or ordinal scales. Especially, for the ordinal data, weighted kappa which measures the classification accuracy by quantifying the classification errors as weights is used. We used two weights (linear weight, quadratic weight) for calculations of weighted kappa. Also for the calculation and comparison of kappa and weighted kappa we used a real data set, fat-liver data.

• Journal of Yeungnam Medical Science
• /
• v.14 no.2
• /
• pp.415-429
• /
• 1997

The purpose of this study was to examine the reliability and validity of attention deficit disorder evaluation scale-school version(ADDES-SV). Between October 1996 and November 1996, ADDES-SV was administered to 263 elementary school students in the second grade and between Jun 1996 and October 1996, 28 attention deficit hyperactivity disorder patients. In the reliability test, the test-retest reliability coefficient was significantly high and that of inattention was 0.88, that of impulsivity was 0.80, that of hyperactivity was 0.83 and total score was 0.83. In the reliability test by internal consistancy, the Cronbach $\alpha$ coefficient was significantly high and that of inattention was 0.98, that of impulsivity was 0.87, that of hyperactivity was 0.87(p<0.05). The half-sprit reliability coefficient by first-second half method showed high correlation and that of inattention was part 1: 0.96, part 2: 0.96 impulsivity was part 1: 0.95, part 2: 0.93, hyperactivity was part 1: 0.92, part 2: 0.94(p<0.05). Inter-rater reliability by pearson correlation coefficient was significantly high and that of inattention was 0.92, that of impulsivity was 0.87, that of hyperactivity was 0.89 and total score was 0.89. The concurrent validity between ADDES-SV and CAP scale was 0.85 in attention deficit hyperactivity disorder patient group and 0.79 in normal control group(p<0.05). In discriminant validity test between attention deficit hyperactivity disorder patient group and normal control group, the patient group showed higher score(p<0.05). The total discriminant capacity of the patient group in ADDES-SV was 94.6%. In this point of view, ADDES-SV scale showed high reliability and validity in applying to Korean subjects and was proved to be the useful screening test tool for attention deficit hyperactivity disorder research.

• Journal of Korea Water Resources Association
• /
• v.38 no.10 s.159
• /
• pp.851-859
• /
• 2005

Normalized cross-correlation (correlation coefficient) is a useful measure for pattern matching in PIV (Particle Image Velocimetry) analysis. Because it does not have a corresponding simple expression in frequency domain, several fast but inexact measures have been used. Among them, three measures of correlation for PIV analysis and the normalized cross-correlation were evaluated with a sample calculation. The test revealed that all other proposed correlation measures sometimes show inaccurate results, except the normalized cross-correlation. However, correlation coefficient method has a weakpoint that it requires so long time for calculation. To overcome this shortcoming, a fast and exact method for calculating normalized cross-correlation is suggested. It adopts Fast Fourier Transform (FFT) for calculation of covariance and the successive-summing method for the denominator of correlation coefficient. The new algorithm showed that it is really fast and exact in calculating correlation coefficient.

• Journal of Korean Society of Coastal and Ocean Engineers
• /
• v.33 no.6
• /
• pp.217-225
• /
• 2021

In this study, wave spectrum data were calculated using the water surface elevation data observed at 5Hz intervals from the HeMOSU-2 meteorological tower installed on the west coast of Korea, and wave parameters were estimated using wave spectrum data. For all significant wave height ranges, the peak enhancement parameter (γ_opt) of the JONSWAP spectrum and the scale parameter (α) and shape parameter (β) of the modify BM spectrum were estimated based on the observed spectrum, and the distribution of each parameter was confirmed. As a result of the analysis, the peak enhancement parameter (γ_opt) of the JONSWAP spectrum was calculated to be 1.27, which is very low compared to the previously proposed 3.3. And in the range of all significant wave heights, the distribution of the peak enhancement parameter (γ_opt) was shown as a combined distribution of probability mass function (PMF) and probability density function (PDF). In addition, the scale parameter (α) and shape parameter (β) of the modify BM spectrum were estimated to be [0.245, -1.278], which are lower than the existing [0.300, -1.098], and the result of the linear correlation analysis between the two parameters was β = -3.86α.

• The Journal of the Acoustical Society of Korea
• /
• v.11 no.1E
• /
• pp.15-22
• /
• 1992

잡음이 있는 환경하에서는 음성 인식의 성능이 현저하게 떨어지게 된다. 본 논문에서는 이렇나 잡음의 영향에 강한 거리척도를 제안하고자 한다. 우리는 잡음이 더해진 음성신호의 특징벡터를 깨끗한 음성신호의 특징벡터가 FIR 시스템을 거쳐 변형된 것이라고 가정한다. 여기서 FIR 시스템은 잡음의 영 향을 모델링한 것이라고 할 수 있다. 미지의 FIR 시스템 계수잡음의 영향을 모델링한 것이라고 할 수 있다. 미지의 FIR 시스템계수들은 RLS 적응 알고리즘을 이용하여 구한다. 제안된 거리척도는 적응 여파 기의 예측 오차에 관한 식으로 표시되어진다. 여러 가지 적응 여파기의 구조중 단일 채널 일차 FIR 구 조가 가장 좋은 음성 인식 성능을 보이며, 이 경우 효과적인 거리척도 알고리즘을 구할 수 있다. 여러 가지 신호대 잡음비에 관하여 화자독립 격리단어 인식 실험을 DTW 알고리즘을 이용하여 수행하여 본 결과 제안된 거리척도가 거의 모든 신호대 잡음비에 대하여 우수한 성능을 보였다.

• Journal of the Korean Academy of Child and Adolescent Psychiatry
• /
• v.15 no.2
• /
• pp.168-177
• /
• 2004

Objectives : This study was done to develop Korean form of Reynolds' SIQ-JR(Suicidal Ideational Questionnaire-Junior). Through this study we evaluated reliability and validity of Korean form SIQ-JR. Methods : Subjects were 1,160 middle and high school students and 114 adolescent psychiatric patients. SIQ-JR and 8 self-reporting scales highly related with suicidal ideation and suicide behaviors were applied to them. Results : In reliability aspect of Korean form of SIQ-JR, internal consistency, test-retest reliability and item-total correlation were statistically significant results. In factor analysis, concerning about other person was extracted as a indepenedent factor. This results reflect our cultural characteristics. There were statistical differences of SIQ-JR scores in groups by sex and age. Clinical group showed significantly(P<0.01) higher scores than general population. Among the 8 suicidal relating scales, depression(r=0.42), aggression(r=0.36), trait anxiety(r=0.35), and anger-in(r=0.31) were highly related with suicidal ideation but impulsivity and hopelessness were not significantly related with suicidal ideation. Conclusion : Korean form of SIQ-JR was useful instrument in reliability and validity. We hope that this instrument widely used in school mental health, community psychiatry and clinical setting for screening tool.

• Korean Journal of Health Psychology
• /
• v.19 no.1
• /
• pp.407-420
• /
• 2014

In this study, a Korean abbreviation scale to measure love and compassion toward other person was developed based on a critical review on Compassionate Love Scale(CLS; Sprecher, & Fehr, 2005). In the study 1, 12 items were selected from the original version of 21 item CLS by surveying a sample of 207 college students on the basis of several psychometric characteristics (i.e., discriminability, coefficient of factor loading, and contribution to internal consistency). In the study 2, the validity of 12 item version, ACLS (Ajou Compassionate Love Scale), was confirmed by examining the factor structure, reliability, and correlations with other related scales. The results clearly showed that ACLS not only had a sufficient psychometric properties as the CLS, but also superior to the CLS in terms of parsimoniousness. Limitations and implications for future research of ACLS were discussed.

• The Journal of the Korea Contents Association
• /
• v.16 no.12
• /
• pp.644-654
• /
• 2016

In this study, we tested the reliability and validity of the Korean Version of nonattachment scale(K-NAS) that Sahdra et al., had developed to measure for nonattachment. In result, the internal consistency coefficient(Cronbach's alpha) of the K-NAS was (.94) high, correlation coefficients of item-total were to .32 from .69. The result of factor analysis showed that single factor accounted for 37.77 % of the total variance. Confirmatory factor analysis and additional exploratory factor analysis demonstrated that the 1 factor model was satisfactory. K-NAS was positively related to experiences scale, self-compassion, psychological well-being and mindfulness, and negatively related to depression. These findings suggest that the Korean Version of Nonattachment Scale(K-NAS) was reliable and valid scale to measure for nonattachment. Finally, The implication of this study and direction for future study were discussed.

• The Journal of Korean Academy of Sensory Integration
• /
• v.14 no.1
• /
• pp.1-8
• /
• 2016

Objective : The purpose of this study was to determine the reliability of Test of Playfulness (ToP) in Attention Deficit Hyperactivity Disorder (ADHD) children. Methods : Twenty ADHD children participated in this study. To determine inter-rater reliability, two raters was evaluated by Test of Playfulness scores and analyzed Kappa coefficient and total agreement and intraclass correlation coefficient (ICC). Results : Total agreement was the range of 75%~95% and the Kappa coefficients was the range of. 45~1.00. Analyzing inter-rater reliability by ICC showed very high reliability: Intrinsic motivation was .96, internal control was .98, suspension of reality was .90, framing was .98, total score was .99. Conclusion : A reliability of Test of Playflness of children with ADHD showed that high. On the basis of this study, it will provide availability for clinical evaluation of children with ADHD, and basic study on the play of children with ADHD.