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51.
Modern cars offer drivers support with the help of a number of driver assistance systems. Those systems aim to relieve drivers through assumption of sub parts of the driving task (e.g. in case of an Adaptive Cruise Control by regulation of vehicle speed and time gap to preceding vehicle). Today, systems are controlled and monitored separately which leads to efforts to combine the functionality of all systems in an overlying assistance for drivers. The approach of the University of Technology Darmstadt is called Conduct-by-Wire and can be seen as a cooperative maneuver-based driving paradigm, where the driver gives maneuver command to the systems which are automatically executed. This paper summarizes the results of three studies which investigated the user acceptance of this driving paradigm. Overall, it can be said that the acceptance of the system depends on personal traits of the driver and on the driving situation. Almost all participants are willing to use Conduct-by- Wire for routine tasks such as commuting, which makes the systems interesting for company cars. Still, there remain a number of drivers who are not willing to use such a highly automated system at all. 相似文献
52.
Sociologists and demographers have long been interested in the role of economic uncertainty in family behavior. Despite the prevailing “bourgeois conviction” that economic uncertainty discourages people from having children, the empirical evidence on this issue is mixed. In this paper, I summarize the recent empirical evidence, and discuss the potential limitations of previous investigations. Among the possible shortcomings of these studies is that many relied exclusively on unemployment as an operational definition of labor market uncertainty. Subjective indicators of economic uncertainty, which measure the individual’s perception of his or her economic situation more directly, often were not available to researchers. Moreover, few of these studies explored group-specific differences in behavior. In this paper, we seek to overcome some of the limitations of these earlier analyses. Based on data from the German Socio-Economic Panel (GSOEP), we study the role of perceived economic uncertainty in transitions to first and higher order births for the period 1990–2013. In addition, we examine how different population subgroups (stratified by education, parity, and age) respond to economic uncertainty. 相似文献
53.
Michaela Von Freyhold 《The Sociological review》1975,23(4):829-829
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Migration and the search for a better way of life: a critical exploration of lifestyle migration 总被引:1,自引:0,他引:1
For the past few years, the term 'lifestyle migration' has been used to refer to an increasing number of people who take the decision to migrate based on their belief that there is a more fulfilling way of life available to them elsewhere. Lifestyle migration is thus a growing, disparate phenomenon, with important but little understood implications for both societies and individuals. This article outlines and explores in detail a series of mobilities that have in common relative affluence and this search for a better lifestyle. We attempt to define the limits of the term lifestyle migration, the characteristics of the lifestyle sought, and the place of this form of migration in the contemporary world. In this manner, we map the various migrations that can be considered under this broad rubric, recognising the similarities and differences in their migration trajectories. Further to this, drawing on the sociological literature on lifestyle, we provide an initial theoretical conceptualisation of this phenomenon, attempting to explain its recent escalation in various guises, and investigating the historical, sociological, and individualised conditions that inspire this migration. This article is thus the first step in defining a broader programme for the study of lifestyle migration. We contend that the study of this migration is especially important in the current era given the impact such moves have on places and people at both ends of the migratory chain. 相似文献
56.
ABSTRACTOver the past decade, the external policy of the European Commission has become increasingly entangled by the notion of policy coherence. Previously ‘siloed’ policy areas such as trade, agriculture, and development are increasingly approached as challenges only effectively resolved by addressing their positive and negative interlinkages. While the EC is critical of fundamental incoherencies between different policy areas, it simultaneously calls to harness synergies between them. To explain this ambiguous approach, we combine insights from speech act theory and cultural political economy. We aim for methodological triangulation by employing social network analysis, an explanatory narrative, and expert interviews. We argue that the Commission’s approach towards coherence can be understood as a process that reshapes the actor landscape around the discourse on coherence. By gradually pushing out the most outspoken actors, the Commission discursively resolves the inherent contradictions of reconciling free trade and development of the Global South. 相似文献
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Risk‐taking tendencies and environmental opportunities to commit crime are two key features in understanding criminal behavior. Upon release from prison, ex‐prisoners have a much greater opportunity to engage in risky activity and to commit criminal acts. We hypothesized that ex‐prisoners would exhibit greater risk‐taking tendencies compared to prisoners who have fewer opportunities to engage in risky activity and who are monitored constantly by prison authorities. Using cumulative prospect theory to compare the risky choices of prisoners and ex‐prisoners our study revealed that ex‐prisoners who were within 16 weeks of their prison release made riskier choices than prisoners. Our data indicate that previous studies comparing prisoners behind bars with nonoffenders may have underestimated the risk‐taking tendencies of offenders. The present findings emphasize the central role played by risk‐taking attitudes in criminal offending and highlight a need to examine offenders after release from prison. 相似文献
59.
This study explored the early family histories of homeless young adults, the types and number of transitions they experienced, and their pathways to the street. Intensive qualitative interviews were audio taped and transcribed with 40 homeless young adults 19 to 21 years of age in the Midwest. Findings show that family backgrounds were generally characterized by substance use, child maltreatment, and witnessing violence, all of which provide social context for understanding why so many of these young people opted to leave home in search of an alternative living situation. The current findings also reveal that while some young adults ran away from home as adolescents, others were “pushed out” (i.e., told to leave), or removed by state agencies. Current study findings illustrate that young adults' trajectories are marked by multiple living arrangements such as home, foster care, detention facility, and drug rehabilitation. Overall, study results show that young adults' family histories place them on trajectories for early independence marked by multiple transitions and numerous living situations, culminating in lack of a permanent residence to call home. 相似文献
60.
Stephanie Begun Michaela Torrie Katie Massey Combs Cressida Frey 《Journal of gay & lesbian social services》2013,25(4):435-457
Homelessness among youths exacerbates an array of challenging life experiences, notable examples of which are pregnancy and parenting. Research is lacking on young men’s attitudes and experiences, and also the influences which homeless youths’ gender identities and sexualities may have on their pregnancy and parenting outcomes and trajectories. This study qualitatively explores gender differentials, including youths’ gender identities and sexual orientations, with regard to their attitudes and experiences of pregnancy and parenting while homeless. Qualitative data were obtained from interviews with a diverse sample of 30 female, male, and transgender homeless youths, ages 18 to 21. Findings revealed that topics of pregnancy and parenting represent a wide range of complexities, different standards, and threats for homeless youths. Although pregnancy is often viewed positively within this community, it is received and experienced differently for each gender and sexuality. Results demonstrate that youths’ unimpeded access to and knowledge of all available reproductive and sexual health care services is essential. These services must be designed and delivered for youths of all gender identities and sexual orientations. Interventions and resources on parenting and co-parenting, particularly models that more inclusively engage a greater diversity of young parents’ involvement, are also urgently needed. 相似文献