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Family and Reentry: Influence of a parenting program on prisoners' perception toward their children
이창배 한국범죄심리학회 2012 한국범죄심리연구 Vol.8 No.1
As the number of incarcerated population increased in the U.S., scholars and practitioners have paid more attention to successful reentry of released offenders. When a variety of approaches were suggested for better reintegration of the released offenders, the influence of family relationships on reentry was not documented well in the literature. Moreover, it was not known much about the impact of parenting programs in correctional facilities on parents' perception toward their children while most of previous studies focused on the programs designed for incarcerated mothers. The current study examined if completion of LDD(a parenting program for fathers in prison) had any influence on the inmate fathers' perception toward their children. In this study, the researcher employed a survey of 185 fathers incarcerated in a maximum security prison in a southern state of the U.S. In addition to the LDD participation, the researcher included demographic, sentence-related, and child-related variables in Ordinary Least Square(OLS) regression models with the father-child relationship as dependent variables, measured by their perceived contact with children and their willingness to be involved in their children's lives. In spite of lengthy sentences, the respondents showed a relatively high level of father-child relationship and their willingness of involvement. T-test results indicated that completion of LDD significantly affected their willingness of involvement only, and this was also confirmed in the OLS regression models. Based on the findings, this study suggests that the administrators in Korea should consider increasing contacts between the incarcerated parents and their children. As such, the parenting programs of Korea should include parenting education and promotion of parenthood in the curriculum.
School-Based Gang Prevention Program and Students’ Differential Perception Towards Gangs
이창배,주재진 한국공안행정학회 2009 한국공안행정학회보 Vol.18 No.4
As juvenile gangs and gang-related crime have been one of the major concerns of law enforcement agencies, the Phoenix Police Department initiated a gang prevention program named Gang Resistance Education and Training (G.R.E.A.T.), and most of the research on the effectiveness of the G.R.E.A.T. has yielded mixed results. With data from a cross-sectional survey of 5,935 eighth-grade students, this study examined two types (positive and negative) of students’ perception towards gangs as dependent variables. In addition, this study observed the influence of parental monitoring and school committment on the students’ perception. Findings show that students who had completed G.R.E.A.T. had more negative perception toward gangs than those who had not. As well, the results reveal that students who were closely monitored by their parents and who were more committed to school had more negative perception toward gangs than those who were not. Directions for the future research and policy implications for school-based gang prevention programs are discussed with the findings. 청소년 갱 및 갱과 관련된 범죄가 법집행 기관의 중요한 관심사의 한 부분이기 때문에, 피닉스 경찰서는 Gang Resistance Education and Training(G.R.E.A.T.)이라는 갱예방 프로그램을 시작하였다. 이 연구에서는 기존의 G.R.E.A.T.의 효과성에 대한 연구를 바탕으로 하여 G.R.E.A.T.프로그램을 소개하고 G.R.E.A.T.프로그램의 갱 예방 효과성 여부를 검증하고자 하였다. 이 연구는 5,935명의 8학년(eighth-grade) 학생을 대상으로 한 횡단적 설문조사 자료를 이용하였으며, 학생들의 갱에 대한 인식이 갱집단에 대한 합류 여부를 결정하는 매우 중요한 역할을 하기 때문에 갱에 대한 긍정적・부정적 인식을 종속변수로 사용하였다. 조사결과 G.R.E.A.T.프로그램에 참여한 학생들이 비참여 학생들에 비해서 갱에 대해서 부정적 인식을 가지고 있는 것으로 나타났다. 또한 강한 부모로부터의 모니터링(parental monitoring)과 학교에의 헌신(school commitment)을 가지고 있는 학생들이 그렇지 않는 학생들에 비해서 갱에 대해서 더욱 부정적 인식을 가지고 있음을 발견할 수 있었다. 이 연구에서는 이러한 조사결과를 바탕으로 후속 연구의 방향과 학교에서의 갱예방프로그램의 함의에 대해서 논의하였다.
이창배,송호경,천정화,조현제 한국산림과학회 2012 Forest Science And Technology Vol.8 No.3
We studied patterns of plant species richness along an altitudinal gradient on the ridge of the Baekdudaegan Mountains, South Korea. The roles of area and the mid-domain effect were evaluated in relation to the observed altitudinal richness patterns. Plant data were collected at 1100 plots along a 200–1900 m asl altitudinal gradient on the ridge. A total of 802 plant species from 97 families and 342 genera were found. The altitudinal patterns of plant species richness along the ridge show clear hump-shaped patterns, even though the absolute altitudes of the richness peaks varied somewhat among the plant groups. Area and the mid-domain effect were the primary drivers in simple regression models, whereas the effect of area disappeared under the presence of the mid-domain effect from multiple regression analysis. Because area and the mid-domain effect are highly correlated, it is possible to substitute the area effect with the mid-domain effect in the multiple regression model. Our results suggest the mid-domain effect is a robust predictor for observed species richness along altitudinal gradients and is substantial in explaining altitudinal richness patterns. Further study on climatic factors (e.g.,mean annual precipitation and temperature), as well as factors related to evolutionary history (e.g., niche conservation) with spatial-related factors such as area and the mid-domain effect, might afford a better understanding of the factors controlling the altitudinal distribution of plant communities from a macroecological perspective.
이창배,공두현,신상준 한국항공우주학회 2021 International Journal of Aeronautical and Space Sc Vol.22 No.2
Rotorcraft composite structures are required to satisfy desired reliability levels when analyzing the scatter of material properties at coupon and element levels in accordance with the Federal Aviation Regulations “FAR 29.573” and the Advisory Circular “AC 29.573”. By estimating the strength and life shape parameters from static and fatigue test results, load enhancement factors can be obtained. Thus, the uncertainties from the scatter of composite properties can be analyzed. However, depending on the Weibull parameter estimation and scatter analysis methods, the load enhancement factors may differ. Therefore, in this paper, improved Weibull parameter estimation and scatter analysis methods have been proposed. Baseline static and fatigue tests are conducted, and the test data are pooled to generate reliable shape parameters. The static-strength shape and fatigue-life shape parameters are evaluated for eight Weibull parameter estimation and three scatter analysis methods. Moreover, based on the strategies of the Weibull parameter estimation and scatter analysis methods, the load enhancement factors are evaluated as a function of test duration. Finally, the consequences of model selection on distribution fitting and the scatter analysis along with the effect of life factors and strength parameters on the load enhancement factors are discussed. As a result, more conservative load enhancement factors are obtained by applying various Weibull parameter estimation methods for the scatter analysis.