• Title/Summary/Keyword: systematic relationship

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The Relationship between Managerial Overconfidence with Firms Value: Evidence of vehicle and parts manufacturing industry

  • Dashtbayaz, Mahmoud Lari;Mohammadi, Shaban
    • The Journal of Economics, Marketing and Management
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    • v.4 no.3
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    • pp.1-6
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    • 2016
  • The purpose of the present study is to investigate the relationship between Managerial overconfidence and vehicle and parts manufacturing firm value of the listed companies on the Tehran Stock Exchange (TSE). The population includes 25 firms selected through systematic sampling. The data is collected from the audited financial statements of the firms provided by TSE's website from 2010 to 2015. In this study the variables, Overconfidence based on earning per share (OEPS), Overconfidence based on capital cost (OCC) has been used to investigate Managerial overconfidence. The results of multiple linear regression analysis show that there is a significant relationship between Overconfidence based on earning per share (OEPS) and firm value. In addition, there is a significant relationship between Overconfidence based on capital cost (OCC) The present research examined the relationship between Managerial overconfidence and vehicle and parts manufacturing firm value of the listed in Tehran Stock Exchange. The results of multivariate regression accepted two the hypotheses of the research. There is a significant relationship between Managerial overconfidence and vehicle and parts manufacturing firm value.

Development of an Entity-Relationship Modeling System for Designing Relational Database (관계형 데이터베이스 설계를 위한 개체 - 관계 모델링 시스템 개발)

  • Yoo, Jae-Gun
    • IE interfaces
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    • v.16 no.spc
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    • pp.45-48
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    • 2003
  • Entity-relationship modeling for designing relational database is a very complicated thinking process that requires extensive knowledge and experiences. It is very likely that designers make mistakes in this process. In order to minimize the mistakes, a systematic method to guide the thinking process is needed. In this research, an entity-relationship modeling system is developed, which resolves the whole process of information modeling, data modeling, and functional dependency relationship analysis into small and simple decision-making steps. Therefore, it can reduce the possibility of making decision errors and improve the efficiency of the modeling process. It's functionality and efficiency is verified through some modeling examples. It is expected that the modeling system can be commercialized, if some functions are added, such as detection, warning, and correction of decision errors, and educational help.

Giemsa C-banded Karyotypes and Their Relationship of Four Diploid Taxa in Allium (Allium속 이배체 4종의 C-분염 핵형 및 유연관계)

  • 서봉보
    • Journal of Plant Biology
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    • v.32 no.3
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    • pp.173-180
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    • 1989
  • Giemsa C-banded karyotypes of A. thunbergii, A. deltoide-fistulosum, A. cyaneum and A. cyaneum var. deltoides were analyzed, and the interspecific relationships were investigated on the basis of the C-banding patterns. The banding pattern of each species was unique and made possible an easy and clear separation among them. A. thunbergii and A. deltoide-fistulosum revealed very close banding relationship but a. cyaneum and A. cyaneum var. deltoides showed significant difference in banding pattern in spite of their close plant systematic position.

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Evaluation of the Quality Factors of Rubber Gloves with Analytic Hierarchy Process (계층적 분석과정을 이용한 고무장갑 품질요인 평가)

  • Yoo, Jong-Hun;Paik, Chun-Hyun
    • Korean Management Science Review
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    • v.26 no.2
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    • pp.61-70
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    • 2009
  • This study gives the quality factor evaluation of rubber gloves manufacturing, including a systematic classification of poor durability(internal quality factors) and look bad(external quality factors) as well as the types of defective items, along with the relationship between quality factors and the defective types. The relationship analysis between quality factors and the defective types are performed with AHP(Analytic Hierarchy Process) technique. The results of our study will be useful for quality management activities and manufacturing process in rubber gloves manufacturing companies.

The relationship between audit quality and Investment efficiency

  • Dashtbayaz, Mahmoud Lari;Mohammadi, Shaban
    • The Journal of Economics, Marketing and Management
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    • v.4 no.2
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    • pp.20-32
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    • 2016
  • The purpose of the present study is to investigate the audit quality and Investment efficiency of the listed companies on the Tehran Stock Exchange (TSE). The population includes 94 firms selected through systematic sampling. The data is collected from the audited financial statements of the firms provided by TSE's website from 2008 to 2015. In this study the variables, auditor industry specialization, auditor reputation, auditor tenure and auditor independence has been used to investigate audit quality. The results of multiple linear regression analysis show that there is a significant relationship audit quality and Investment efficiency.

A Study of the Factor on Behavioral Change of the Psychiatric in-patient (정신과 입원환자의 행동변화에 영향을 주는 요소에 관한 연구)

  • 이소우;김태경
    • Journal of Korean Academy of Nursing
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    • v.14 no.2
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    • pp.84-92
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    • 1984
  • This article examined relationships between selected variables, such as demographic background, care, treatment variables, environmental characteristics, and patient's daily behavior and mood change. Relationship were determined between independent variabltherapeutic-rapeutie approach, demographic data, environmental management approach-,and dependent variable-patient's daily behavioral and mood change. 35 patients selected within some criteria in a psychiatric ward, were obserbed during 5 weeks by use of Wyatt's Behavior & Mood Rating Scale ac-cording to the object of the study. At the same time, the frequence of the care and treatment were collected. Criteria for sample selection and independent variables as an influential factor to the patient behavioral change, based on a literature revienw and clinical experiences. Pearson's correlation and multiple regression analysis were used to determine the influfntial factors to the patient behavioral change. Systematic reading (r=.8324), Psychiatrist's individual interview (r=.5764), tranquilizer (r=.3441) and hospitalization processing date (r=.4143) were related with patient's behavioral change. That is these 4 variables can be said to influence to the patient's behavior and mood. A stepwise multiple regression analysis of the effect of the independent varibles of systematic reading, psychintrists individual interview, tranquilizer and hospitalization processing date on the dependent variable, patient's behavioral change was carried out. Systematic reading with on R²of. 69 revealed to be the main influential factor to the patient's behavior and mood change, as the next factor psychiatrist individual interview. A total inclusion of these factors revealed a 73% prediction for the patient's behavior and mood change. But the most influential factor was the interaction of the systematic reading and psychiatrist's individual interview.

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A Systematic Review Exploring the Current State of Fashion Criticism -A Focus on the Fashion Designer Exhibition Reviews of Fashion Theory-

  • Choi, Kyung-Hee
    • Journal of the Korean Society of Clothing and Textiles
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    • v.44 no.2
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    • pp.273-294
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    • 2020
  • Considering the complex relationship between fashion curating and the critical approach of fashion exhibition reviews, this study explores the current state of fashion criticism in museology, focusing on fashion designer exhibition reviews of Fashion Theory. The author selected eighteen exhibition reviews of individual fashion designers' works from 1997 on to the current 2020 issues of Fashion Theory, which provides an interdisciplinary forum to analyze fashion as a cultural construction. The author performed a systematic review that qualitatively summarizes and/or synthesizes the findings of the studies on the topic with the process of a systematic review, such as key question formulation, analytic framework building, evidence mapping, critical appraisal, and evidence synthesis. The results of this study are as follows. First, the exhibition reviews included almost all stages of the inclusive fashion criticism model, based on an artifact study. Second, they reflected various critical discourses that offered current interpretations of historical and contemporary fashion. Third, they showed that fashion criticism in the museum context is the result of an interdisciplinary collaboration of various fashion agents. Finally, they offered a bridge for crossing the boundaries of various scholarly fields, as they combine multidisciplinary scholarship with object-based methods.

The Relationship between Early-onset Androgenetic Alopecia and Metabolic Syndrome: Systematic Review and Meta-Analysis (조발성 탈모증과 대사증후군과의 관계: 체계적 문헌고찰 및 메타분석)

  • Jang, Jin-Young;Yoon, Young-Joon
    • The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology
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    • v.30 no.3
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    • pp.166-181
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    • 2017
  • Objectives : The study was done to verify the relation between early-onset androgenetic alopecia(AGA) and metabolic syndrome(MetS). Methods : Data were collected through electronic database including KoreaMed, National Assembly Library, KMBASE, NDSL, KCI, KERIS, Google Scholar, Pubmed, Cochrane CENTRAL and EBSCO MEDLINE. A total of 13 case-control studies related to the MetS of early-onset alopecia patients were used for the systematic review and meta-analysis. Risk of bias of included studies were assessed by RoBANS tool. RevMan5.3, CMA3 were used for the meta-analysis. Results : In 13 evaluated articles, most frequent bias was the participant selection bias that was found in 10 articles. Significant association between early-onset AGA and MetS was found in 10(76.9%) out of 13 articles in the systematic review. In meta-analysis, early-onset male AGA was associated with increased risk of metabolic syndrome(OR: 3.73, 95% CI:2.49 -5.61). Conclusions : AGA, particularly early -onset male AGA, is significantly associated with MetS. Therefore all patients with early onset male AGA should be suggested to take preventive treatment to reduce the risk of MetS and various problems associated with it.

Relationship between Postural Balance Training and Fall Risks for Elderly: a Systematic Review of Randomized Controlled Trials

  • Kim, Heesuk;Hwang, Sujin
    • Physical Therapy Rehabilitation Science
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    • v.10 no.2
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    • pp.185-196
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    • 2021
  • Objective: Falling is one of main accident to facilitate the physical injuries in order adults. The purpose of the systematic review was to determine the effects of postural balance training whether the recovery of falls in elderly with normal physical function or not throughout summing the selected studies quantitatively. Design: A systematic review Methods: MEDLINE and other four databases were searched up to April 20, 2021 and randomized controlled trials (RCTs) evaluating postural balance approaches on fall risks in elderly. The researched studies excluded the double studies, titles and abstract, and finally full-reported study. The selected RCTs studies were extracted characteristics of the studies and summary of results based on PICOS-SD (population, intervention, comparison, outcomes, and setting- study design) model to synthesize the papers qualitatively. Results: The review involved 22 RCT reports with 4,847 community older adults aged 65 years or over. Nineteen of the selected RCT studies reported dual or multimodal exercises show the beneficial effect for older adults compared to one-type treatment or no intervention. All of selected showed low risk in the selection, attrition, and reporting bias. However, detection bias showed low risk at 75% records of the involved RCTs and performance bias was low risk at only three records. Conclusions: The results of the systematic review propose that a standardized therapeutic approach and the intensity are needed for improving risk of falls in older adults.

An Event-Driven Entity-Relationship Modeling Method for Creating a Normalized Logical Data Model (정규화된 논리적 데이터 모델의 생성을 위한 사건 기반 개체-관계 모델링 방법론)

  • Yoo, Jae-Gun
    • Journal of Korean Institute of Industrial Engineers
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    • v.37 no.3
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    • pp.264-270
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    • 2011
  • A new method for creating a logical data model is proposed. The logical data model developed by the method defines table, primary key, foreign key, and fields. The framework of the logical data model is constructed by modeling the relationships between events and their related entity types. The proposed method consists of a series of objective and quantitative decisions such as maximum cardinality of relationships and functional dependency between the primary key and attributes. Even beginners to database design can use the methology as long as they understand such basic concepts about relational databases as primary key, foreign key, relationship cardinality, parent-child relationship, and functional dependency. The simple and systematic approach minimizes decision errors made by a database designer. In practial database design the method creates a logical data model in Boyce-Codd normal form unless the user of the method makes a critical decision error, which is very unlikely.