• Title/Summary/Keyword: aggressive behavior

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A Study of Aggressive Driver Detection Combining Machine Learning Model and Questionnaire Approaches (기계학습 모델과 설문결과를 융합한 공격적 성향 운전자 탐색 연구)

  • Park, Kwi Woo;Park, Chansik
    • Asia-pacific Journal of Multimedia Services Convergent with Art, Humanities, and Sociology
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    • v.7 no.3
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    • pp.361-370
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    • 2017
  • In this paper, correlation analysis was performed between questionnaire and machine learning based aggressive tendency measurements. this study is part of a aggressive driver detection using machine learning and questionnaire. To collect two types tendency from questionnaire and measurements system, we constructed experiments environments and acquired the data from 30 drivers. In experiment, the machine learning based aggressive tendency measurements system was designed using a driver behavior detection model. And the model was constructed using accelerate and brake position data and hidden markov model method through supervised learning. We performed a correlation analysis between two types tendency using Pearson method. The result was represented to high correlation. The results will be utilize for fusing questionnaire and machine learning. Furthermore, It is verified that the machine learning based aggressive tendency is unique to each driver. The aggressive tendency of driver will be utilized as measurements for advanced driver assistance system such as attention assist, driver identification and anti-theft system.

The Status of Teachers of Students with Intellectual Disabilities in Practicing Strategies for the Modification of Aggressive Behaviour in Saudi Arabia

  • Alqurashi, Yasser O.;Bagadood, Nizar H.
    • International Journal of Computer Science & Network Security
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    • v.22 no.1
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    • pp.241-247
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    • 2022
  • This study examines teachers' implementation of strategies to modify the aggressive behavior of students with intellectual disabilities in Saudi Arabia, to determine the obstacles to their real-world execution. In addition, it presents potential approaches to overcome the obstacles to implementing strategies with this group of students. The research employed a qualitative design using semi-structured interviews as a data collection tool and applied a thematic analysis. The study population comprised 35 teachers of students with intellectual disabilities and the study sample numbered six teachers. The interviews were conducted via different methods: three by phone, two face-to face, and one using the Zoom platform. The results revealed inadequate understanding among teachers of intellectual disability and behaviour modification strategies, and this affected their capacity to develop plans that were compatible with the needs of students with intellectual disability. The findings also identified multiple obstacles that impede teachers' implementation of strategies to modify aggressive behaviour among students with intellectual disabilities; the most important being the lack of input from a psychological specialist when developing programs to modify aggressive behaviour. In general, it is apparent that programs for modifying aggressive behaviour are neither structured nor complementary, due to the scarcity of administrators with sufficient knowledge and familiarity with the characteristics and personalities of students with intellectual disabilities. This study presents several recommendations, the most important of which is that teachers of students with intellectual disability should develop themselves through training courses to enable them to deal with these students and create treatment plans that include strategies and clear steps to modify the aggressive behaviour of students with intellectual disabilities. To support teachers, it is also necessary to remove the obstacles facing education centres by providing financial support to create an environment in which they can access the required devices and equipment in their classes.

Behavior Problem According to Children's Temperament and Self-Regulation (유아의 기질과 자기조절능력에 따른 문제행동)

  • Jung, Hye-Jin;Lee, Wan-Jeong
    • Journal of Families and Better Life
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    • v.27 no.3
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    • pp.159-170
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    • 2009
  • The purpose of this study was (1) to investigate the difference of temperament, self-regulation, and problem behavior according to children's gender and age, (2) to investigate the relationship among three variables by use of canonical correlation analysis. The subjects were 210 children ages from 3 to 5 in five day-care center in Incheon city. The SPSS WIN 12.0 Program was used to analyze the collected data. The statistical methods were Frequency, Percentage, Cronbach's ${\alpha}$, Two-way ANOVA, Correlation analysis, and Canonical Correlation analysis. The major results of this research are summarized as follows: (1) Children's temperament were significantly different by their gender and age. The boys got higher score than girls in adaptability, activity, and total temperament. Girls got higher score than boys in reactivity. The age 3 got higher score than the age 5 in activity and the ages 3, 4 got higher than the age 5 in total temperament. (2) Children's self-regulation were significantly different by their age. The children who were older got higher scores in self-regulation ability. (3) Children's problems behavior were significantly different by their gender and age. The boys got higher score than girls in anxiety behavior, aggressive behavior, hyperactive/distractive behavior, and total problem behavior. And the ages 3, 4 got higher score than the age 5 in anxiety behavior and hyperactive/distractive behavior. The age 4 got higher score the ages 3, 5 in aggressive behavior and the age 3 got higher score the ages 4, 5 in total problem behavior. (4) Canonical correlation results showed that stable temperament and self-regulation were positively correlated and self-regulation and problem behavior were negatively correlated.

Analysis of Impacts of Aggressive Driving Events on Traffic Stream Using Driving and Traffic Simulations (주행 및 교통 시뮬레이션을 이용한 공격운전이 교통류에 미치는 영향 분석)

  • PARK, Subin;KIM, Yunjong;OH, Cheol;CHOI, Saerona
    • Journal of Korean Society of Transportation
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    • v.36 no.3
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    • pp.169-183
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    • 2018
  • Aggressive driving leads to a greater crash potential because it threatens surrounding vehicles. This study conducted traffic simulation experiments using driving behavior data obtained from multi-agent driving simulations. VISSIM traffic simulator and surrogate safety assessment model (SSAM) were used to identify the impacts of aggressive driving on traffic stream in terms of safety and operational efficiency. Market penetration rates (MPR) of aggressive driving vehicle, coupled with various traffic conditions, were taken into consideration in analyzing the impacts. As expected, it was identified that aggressive driving vehicles tended to deteriorate the traffic safety performance. From the perspective of operational efficiency, interesting results were observable. Under level of service (LOS) A, B, and C, it was observed that the average travel speed increased with greater MPRs. Conversely, the average travel speed decreased with under LOS D and E conditions. The outcome of this study would be effectively used for developing safety-related policies for reducing aggressive driving behavior.

The Perceived Controllability of Stress Situations and Children's Coping with Hassles (스트레스 상황에 대한 지각된 통제감과 아동의 스트레스 대처행동)

  • Min, Ha Young;Yoo, An Jin
    • Korean Journal of Child Studies
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    • v.20 no.1
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    • pp.61-77
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    • 1999
  • This study investigated characteristics of children's coping behaviors in the context of perceived controllability of stress in hassles with parent(s), friend-alienation, friend-conflict, and in learning situations. The subjects were 489 sixth grade children selected from seven elementary schools in Seoul. Statistical analysis was by ANOVA, Scheffe' test, and MANOVA. Major findings were that (1) Active, passive, aggressive, and avoidant coping differed by perceived controllability of stress in all 4 stress situations. The children who perceived a higher level of controllability were more active, and less passive, aggressive, and avoidant in coping with each hassle. (2) Perceived controllability was higher in learning related than in friend-conflict situations. Active, passive, and social support seeking coping behavior was higher in learning related stress situations than in friend-conflict situations. Avoidant coping behavior was lower in learning related than in friend-conflict situations.

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A Study on the Effectiveness of a Bibliotherapy Program for Elementary School Children in the Public Library (공공도서관의 어린이 독서치료 효과에 관한 연구)

  • Park Keum-Hee;Chung Yeon-Kyoung
    • Journal of the Korean Society for Library and Information Science
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    • v.40 no.3
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    • pp.353-368
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    • 2006
  • The purpose of this study is to develop the categories of the bibliotherapy Program in the public libraries and to evaluate the effect of group bibliotherapy program for the decreasing aggressive behavior of the elementary school children. The effectiveness of bibliotherapy Program was very impressive and its expansion to the public library service is required.

Cross-Sectional and Longitudinal Relationships Between Aggression, Prosocial Behavior and Peer Relations (아동의 외현적, 관계적 공격성 및 친사회성과 또래관계와의 횡·종단적 관계)

  • Sim, Hee-Og
    • Korean Journal of Child Studies
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    • v.26 no.2
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    • pp.121-134
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    • 2005
  • Data were collected by peer nomination and sociometric nomination when children were in 4th grade and again two years later, Concurrent results of peer nominations were that prosocial children were more accepted while overtly/relationally aggressive children were more rejected by peers. Peer acceptance of males at Time 1 affected peer acceptance at Time 2. Peer rejection of females at Time 2 wasn't affected by overt aggression at Time 1. Cross-sectional results of social status were that rejected and controversial children showed higher levels of overt aggression than any other group. Popular children were most prosocial; rejected children were least prosocial. In the prospective view, aggressive males remained more rejected than any other group. Rejected children remained least prosocial.

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Regulation of Genetic Aggression by Central Dopamine System - Plurality of Dopamine Receptor -

  • Lee, Soon-Chul
    • Archives of Pharmacal Research
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    • v.14 no.2
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    • pp.109-113
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    • 1991
  • Two types of aggressive behavior were produced by selective breeding in ICR mimce. NC900 line mice exhibited high level of species-typical, isolation-induced aggression, conversely, NC100 line mice exhibited little aggression. The present study tested the hypothesis that these differences involved brain monoamine systems. Comparisons of microdissected samples from various brain regions showed that NC100 line mice had significantly lower concentrations of dopamine. DOPAC and HVA in the nucleus accumbens (NAB) and caudate nucleus (NCU) than NC900 line. Homogenate binding studies demonstrated that NC100 mice had significantly increased density of $D_1$ dopamine receptor, but not $D_2$ dopamine receptor in the caudate nucleus. These results support the hypothesis that central dopamine pathways play an important role in modulating the genetically selected differences in aggressive behavior, and of which intensity differs from TEX>$D_1$\;and\;$D_2$ dopamine receptors.

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The Influence of Verbal Aggression on Job Involvement and Turnover Intention in Organizational System

  • Song, Junhwa;Lee, Namgyum;Park, Soon young
    • International journal of advanced smart convergence
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    • v.4 no.2
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    • pp.54-60
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    • 2015
  • In modern business organization, the most important strategic factor in maintaining competitive advantage in business is to manage and utilize human resources effectively, which has eventually increased workload and psychological pressure in organizations. And research show that increased workload and psychological pressure has produced various tensions in business organizations, and it appears that those tensions have increased the workplace aggressive behavior among employees. In various types of aggressive behavior, this study focuses on verbal aggression. The study also attempts to find out the relationships among verbal aggression, job involvement, and turnover intention among administrative workers in colleges from May 20 to May 26, 2015. Summary of the research result is as follows. First of all, the study shows that verbal aggression directly increases the employee turnover intention.

Human Driving Data Based Simulation Tool to Develop and Evaluate Automated Driving Systems' Lane Change Algorithm in Urban Congested Traffic (도심 정체 상황에서의 자율주행 차선 변경 알고리즘 개발 및 평가를 위한 실도로 데이터 기반 시뮬레이션 환경 개발)

  • Dabin Seo;Heungseok Chae;Kyongsu Yi
    • Journal of Auto-vehicle Safety Association
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    • v.15 no.2
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    • pp.21-27
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    • 2023
  • This paper presents a simulation tool for developing and evaluating automated driving systems' lane change algorithm in urban congested traffic. The behavior of surrounding vehicles was modeled based on driver driving data measured in urban congested traffic. Surrounding vehicles are divided into aggressive vehicles and non-aggressive vehicles. The degree of aggressiveness is determined according to the lateral position to initiate interaction with the vehicle in the next lane. In addition, the desired velocity and desired time gap of each vehicle are all randomly assigned. The simulation was conducted by reflecting the cognitive limitations and control performance of the autonomous vehicle. It was possible to confirm the change in the lane change performance according to the variation of the lane change decision algorithm.