• Title/Summary/Keyword: 응집척도

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An Analysis of the Complexity Measurement Factor for a Program (프로그램에 대한 복잡도 측정인자 분석)

  • 이규범;송정영
    • Journal of Internet Computing and Services
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    • v.3 no.4
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    • pp.61-69
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    • 2002
  • Measurement of the object, messages, clones, capsulation, inheritance, etc. that are conventional object-oriented paradigm characteristics as a method of measurement of the complexity of object-oriented programs has been reported. In this paper, the measures that are helpful to designing and coding of JAVA program, which is the representative language of object-oriented programs, are applied to six measures(i,e., Halstead's Program Volume, Program Level, Program Impurity, Macabe's Cyclomatic Number, Handerson-Seller's lock of cohesion in method and Sullivan's PVG.) suggested in the present study by referring to several actual programs as example for comparative analysis.

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A Study of Family Adaptability and Cohesion Evaluation Scale(FACES) (가족의 응집 및 적응 평가 척도에 관한연구)

  • 김수연
    • Journal of the Korean Home Economics Association
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    • v.35 no.1
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    • pp.59-74
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    • 1997
  • FACES II & III do not capture the high extremes of the dimension and are linear rather than curvilinear measure. FACES IV is the latest revision of FACES series and can capture two extreme dimension of Circumplex Model. The purpose of this study is to examine reliability and validity of reconstructed FACES using by FACES II, III, IV. Factor analysis showed that Cohesion and Adaptability consisted 3 factors (disengaged, connected, emmeshed/rigid, flexble, chaotic) Extremes on each dimension conceptually were opposite and they were uncorrelated with each other. FACES effectively predicted family function. Reliability coefficients of subscales ranged from 61~85 Reconstructed FACES had good internal consistency and construct and criterion related validity.

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A Study of Family Adaptability and Cohesion Evaluation Scale II (가족의 응집 및 적응 척도에 관한 연구 II)

  • 김수연
    • Journal of the Korean Home Economics Association
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    • v.35 no.6
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    • pp.205-219
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    • 1997
  • FACES II & III did not capture high extremes of Cohesion and Adaptability dimension, and were linear rather than curvilinear measure. The purpose of this study was to examine reliability and validity of revised FACES using by FACES II,III,IV. Factor analysis showed that Cohesion and Adaptability dimension consisted each 3 factors(disengaged, connected, enmeshed / rigid, flexible, chaotic). Extremes on each dimension conceptually were opposite and they were uncorrelated with each other. Revised FACES effectively predicted family function. Reliability coefficients of subscales ranged form .68~.82. Revised FACES had good internal consistency, and construct and criterion related validity.

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The Influence of Family Aggregation with Disabilities on Life Satisfaction: The Mediating Effect of Caregiving Burden (장애가족 가족응집성이 삶 만족에 미치는 영향: 부양부담 매개효과)

  • Shin, Kyung-An
    • Journal of Industrial Convergence
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    • v.19 no.3
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    • pp.97-105
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    • 2021
  • The purpose of this study was to determine the effect of family cohesion and burden of support on life satisfaction of disabled families and ultimately support the satisfied life of disabled families. The study investigated the factors that influence the life satisfaction of the disabled family through a questionnaire survey as a disabled family caring for a disabled family. As a result of the study, life satisfaction of families with disabilities was as low as 2.278 on a 5-point scale, and the burden of support was 3.432, indicating that they felt a relatively high burden of support. However, family cohesion was relatively good at 3.664, showing that support to lower the burden of support was needed to increase life satisfaction. Based on these findings, the researcher makes the following suggestions to increase the life satisfaction of disabled families. First, the need for support to alleviate the burden of caregivers for the disabled. Second, expanding support for people with disabilities receiving care. Third, there is a need to strengthen support for families with disabilities. However, as this study was conducted centered on Gyeonggi-do, there is a need for follow-up research as the study has limitations.

FACTORS OF MENTALLY HANDICAPPED CHILDREN AND THEIR FAMILY ASSOCIATED WITH THE QUALITY OF LIFE AND THE EMOTIONAL WELLBEING OF THEIR MOTHERS (장애 아동의 행동 특성과 가족환경이 어머니의 정서적 안녕감과 삶의 질에 미치는 영향)

  • Lee, Yong-Ho;Chung, Yong-Kyoon;Cho, Soo-Churl;Koo, Young-Jin
    • Journal of the Korean Academy of Child and Adolescent Psychiatry
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    • v.10 no.1
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    • pp.100-112
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    • 1999
  • Objective:In life-long disabilities like autism and mental retardation, the authors thought that it is important for clinician to consider the quality of life of a primary caregiver for long-term management and prognosis. This study was to investigate the factors of children and family environment affecting the quality of life and depression in mothers with autistic and/or mentally retarded children. Methods:41 autistic and/or mentally retarded children aged 5-12 years with their mothers were surveyed from September, 1998 to January, 1999, with K-CBCL, K-BDI, K-FES, and K-SBQOL scale and compared with data from 35 normal control subjects. Results:1) Total K-BDI and K-SBQOL scores of mothers with mentally handicapped children were significantly poorer than the scores of normal control group. Independence, intellectual/cultural orientation and active recreation subscales of K-FES in mentally handicapped children were significantly decreased than those in normal control group. 2) Total K-BDI score of mothers with mentally handicapped children was correlated with their children’s behavioral problems, especially internalizing and thought symptoms, and with family cohesion, expressiveness, conflict and independence. 3) Totol K-SB quality of life score of mothers with mentally handicapped children was correlated with their children’s behavioral problems, especially attention problem, and with family cohesion, conflict, independence, intellectual/cultural orientation, and moral-religional emphasis. 4) The quality of life of mothers with mentally handicapped children was predicted by attention problem($R^2$=.36, p=.000) and social competence($R^2$=.07, p=.038) in children and family cohesion ($R^2$=.16, p=.001). 5) Depression of mothers with mentally handicapped children was predicted by internalizing symptom ($R^2$=.21, p=.003) and thought disorder($R^2$=.06, p=.048) in children and family cohesion($R^2$=.14, p=.008). Conclusion:Reducing behavioral problems and family therapeutic intervention in autistic and mentally retarded children can improve the quality of life of primary caregivers and long-term prognosis of the children, although those are not curative.

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The Complexity of the Static Structures of Object-Oriented Systems by Analyzing the Class Diagram of UML (UML 클래스 다이어그램의 분석에 의한 객체지향 시스템의 정적 구조 복잡도 연구)

  • Chung, Hong;Hong, Dong-Kwon
    • Journal of the Korean Institute of Intelligent Systems
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    • v.14 no.6
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    • pp.793-799
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    • 2004
  • Many researches and validations for the complexity metrics of the object-oriented systems have been studied. Most of them are aimed for the measurement of the partial aspects of the systems, for example, the coupling between objects, the complexity of inheritance structures, the cohesion of methods, and so on. But the software practitioners want to measure the complexity of overall system, not partial. We studied the complexity of the overall structures of object-oriented systems by analyzing the class diagram of UML. The class diagram is composed of classes and their relations. There are three kinds of relations, association, generalization, and aggregation, which are making the structure of object-oriented systems to be difficult to understand. We proposed a heuristic metric to measure the complexity of object-oriented systems by putting together the three kinds of the relations. This metric will be helpful to the software developers for their designing tasks by evaluating the complexity of the structures of object-oriented system and redesigning tasks of the system.

Spatial Distribution Pattern of the Populations of Cephalanthera erecta at Mt. Ahop in Busan (부산시 아홉산의 은난초 집단의 공간적 분포 양상)

  • Huh, Man Kyu
    • Journal of Life Science
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    • v.26 no.8
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    • pp.881-886
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    • 2016
  • Cephalanthera erecta (Thunb. ex, Murray) is an herbaceous and a member of the genus Cephalanthera in the family Orchidaceae. The species is an herbaceous and has reputed Chinese medicinal value. It has been investigated the population density and spatial distribution of this species at Mt. Ahop in Korea during 2015. The spatial pattern of C. erecta was analyzed according to several patchiness indexes, population uniformity or aggregation under different sizes of plots by dispersion indices, and spatial autocorrelation. The mean crowding (M*) and patchiness index (PAI) showed positive values except one small plot (2 m × 2 m). Most natural individuals of C. erecta for plots were not uniformly distributed in the forest community. The small plots (2 m × 2 m, to 8 m × 16 m) of C. erecta were uniformly distributed in the forest community and large plots (16 m × 16 m and 16 m × 32 m) were aggregately distributed. Significant aggregations by Moran's I of C. erecta were partially observed within IV classes (12 m). Dissimilarity among pairs of individuals could found by more than 18.0 m. In conclusion, the geographic distribution of C. erecta is not even with varying degrees of size of plots and human activities give rise to density effects in the plots at Mt. Ahop in Korea.

The Complexity of Object-Oriented Systems by Analyzing the Class Diagram of UML (UML 클래스 다이어그램 분석에 의한 객체지향 시스템의 복잡도 연구)

  • Chung, Hong;Kim, Tae-Sik
    • Journal of the Korean Institute of Intelligent Systems
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    • v.15 no.6
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    • pp.780-787
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    • 2005
  • Many researches and validations for the complexity metrics of the object-oriented systems have been studied. Most of them are aimed for the measurement of the partial aspects of the systems, for example, the coupling between objects, the complexity of inheritance structures, the cohesion of methods, and so on. But the software practitioners want to measure the complexity of overall system, not partial. We studied the complexity of the overall structures of object-oriented systems by analyzing the class diagram of UML. The class diagram is composed of classes and their relations. There are three kinds of relations, association, generalization, and aggregation, which are making the structure of object-oriented systems to be difficult to understand. We proposed a heuristic metric to measure the complexity of object-oriented systems by putting together the three kinds of the relations. Tn analyze the complexity of the structure of a object-oriented system for the maintainability of the system, we measured the degree of understandability of it, the reverse engineering time to draw a class diagram from the source codes, and the number of errors in the diagram. The results of this experiment shows that our proposed metric has a considerable relationship with the complexity of object-oriented systems. The metric will be helpful to the software developers for their designing tasks by evaluating the complexity of the structures of object-oriented systems and redesigning tasks , of them for the future maintainability.

A Study on the Development of Clustering Algorithm Using the Entropic Measure of Cohesion (앤트로피 응집력척도를 활용한 군락화기법개발에 관한 연구)

  • 정현태;최인수
    • Journal of the Korean Operations Research and Management Science Society
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    • v.14 no.1
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    • pp.36-50
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    • 1989
  • The purpose of this study is to design effective working systems which adapt to changes in human needs by developing an algorithm which forms workers into optimal groups using the meausre of cohesion. Three major results can be derived from the study. Firstly, the algorithm developed here provides an optimal point at which to stop clustering. Secondely, the entropic measure of cohesion having an internal probabilistic structure is superior with respect to any other methods proposed before as far as the design of workgroup is concerned. Thirdly, the r $C_{n}$ clustering algorithm is better than the dichotonomic one.e.

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Development of the Combinatorial Agglomerative Hierarchical Clustering Method Using the Measure of Cohesion (응집력 척도를 활용한 계층별-조결합군락화 기법의 개발)

  • Jeong, Hyeon-Tae;Choe, In-Su
    • Journal of Korean Society for Quality Management
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    • v.18 no.1
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    • pp.48-54
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    • 1990
  • The purpose of this study is to design effective working systems which adapt to change in human needs by developing an method which forms into optimal groups using the measure of cohesion. Two main results can be derived from the study as follows : First, the clustering method based on the entropic measure of cohesion is predominant with respect to any other methods proposed in designing the work groups, since this clustering criterion includes symmetrical relations of total work groups and the dissimilarity as well as the similarity relations of predicate value, the clustering method based on this criterion is suitable for designing the new work structure. Second, total work group is clustered as the workers who have the equal predicate value and then clustering results are produced through the combinatorial agglomerative hierarchical clustering method. This clustering method present more economic results than the method that clustering the total work group do.

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