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661.

The health service systems of the Western world are transforming rapidly. These systems are under pressure from an increase of new biomedical possibilities for intervention in the processes of the human body, from the rising expectations of the public, and from demographic developments that are leading to an increase in the number of elderly people in the Western world. Parallel to these changes on the macro level there are major changes on the micro level, that is, there is a search for methods to manage the basic way that the health system functions. In short, the financing, organization and practice of medicine will be changed considerably over the next 5-10 years. In the search for a harmonious development in this field the concept "evidence" must be seen in a broad perspective that encompasses, among other things, the increasing multidisciplinary nature of modern medicine.  相似文献   
662.
This study was desinged to determine if motor deficits in limb apraxia are task specific. Non-brain-damaged patients and apraxic and nonapraxic patients with left hemisphere damage performed language and limb apraxia tests and six motor tasks with the left hand. Contrary to previous data, no significant group differences occurred on a finger tapping task. Although task complexity or sequencing requirements affected group differences, greatest apraxic impairment was noted on a task of precise steadiness, but only when its response inhibition requirements were increased. This pattern of deficits appears to be associated with greater involvement of the premotor area in the apraxic group.  相似文献   
663.
Williams and Edwards (1969) found that changing the positive and negative evaluations given to color concepts by preschool children through reinforcement procedures over two sessions reduced their racial concept attitude scores measured during a third session. The present study replicated their negative reinforcement and control procedures with 5-year-old children, and extended their research to include 8-year-old children. The present results replicated the original findings and in fact showed a larger change in racial attitude scores. While the color-meaning concepts were modified to a greater extent in the older children, the effect of the negative reinforcement procedure on racial attitude scores was similar for the two age groups.  相似文献   
664.
Because speech prosody is thought to be impaired in Broca's aphasia, we conducted three experiments using Broca's aphasics and nonneurological control subjects in order to determine to what extent this statement is accurate. Using three acoustic measures of speech prosody—sentence-final fundamental frequency (F0) fall, F0 declination, and sentence-final lengthening—we found that some aspects of prosody were spared while others were abnormal. All Broca's aphasics, regardless of degree of impairment, exhibited sentence-final F0 fall. F0 declination was present in simple sentences but was absent over longer domains; moreover, the amount of declination was correlated with the degree of linguistic impairment. Sentence-final lengthening was clearly absent in Broca's aphasia; in fact, sentence-terminal words were actually shorter than their sentence-initial and medial counterparts.  相似文献   
665.
What are the determinants of students' interest in earning a PhD? In this study, we use a mixed-methods approach to pursue this question. Based on qualitative interview data, we develop a model in which academic motivation and academic achievement interact with contextual factors such as working conditions to influence career intentions. We then test this model using a sample of 229 students currently enrolled in master-level courses of study at a German university. Our results speak to the role of intrinsic versus extrinsic motivations in the context of PhD intentions. In contrast to our expectations, results suggest that while intrinsic life aspirations and the intellectual challenge of gaining a PhD play a significant role for students' intention to pursue a PhD, extrinsic life aspirations and contextual determinants seem to be less influential. Furthermore, results highlight the importance of gaining familiarity and experience with academic work for students' career decisions.  相似文献   
666.
The opportunity to profit from dishonesty evokes a motivational conflict between the temptation to cheat for selfish gain and the desire to act in a socially appropriate manner. Honesty may depend on self-control given that self-control is the capacity that enables people to override antisocial selfish responses in favor of socially desirable responses. Two experiments tested the hypothesis that dishonesty would increase when people’s self-control resources were depleted by an initial act of self-control. Depleted participants misrepresented their performance for monetary gain to a greater extent than did non-depleted participants (Experiment 1). Perhaps more troubling, depleted participants were more likely than non-depleted participants to expose themselves to the temptation to cheat, thereby aggravating the effects of depletion on cheating (Experiment 2). Results indicate that dishonesty increases when people’s capacity to exert self-control is impaired, and that people may be particularly vulnerable to this effect because they do not predict it.  相似文献   
667.
Recent critiques of moral psychology and the contemporary culture wars highlight the need for a better understanding of diverse moral perspectives. A model of moral motives is proposed. The fundamental approach–avoidance distinction in motivation is crossed with self-other focus to create four moral motives: Self-Restraint (avoidance-self), Social Order (avoidance-other), Self-Reliance (approach-self), and Social Justice (approach-other). Three studies explored these motives in the context of political orientation. Overall, political conservatism was associated with avoidance motives and liberalism with approach motives. Approach–avoidance motives were also associated with distinct patterns of results regarding authoritarianism, social dominance, and positions on contemporary social issues. Responses of campus political groups demonstrated the utility of the moral motives in providing a more nuanced view of politics that also takes into account the model’s second dimension, for an emphasis on Self focus (personality responsibility) versus Other focus (social responsibility) further distinguished between conservative groups. Moral and political implications are discussed.  相似文献   
668.
The Dynamics of Cyber China: The Characteristics of Chinese ICT Use   总被引:1,自引:1,他引:1  
This paper provides a preliminary examination of the use of information and communication technologies (ICTs)—limited to mobile phone and internet use—in contemporary China. Based on fieldwork undertaken since 2003 in Guangzhou and Beijing, the paper focuses on the relationship between society and technology in the Chinese cultural context. An analysis of the data on ICT use in China shows how Chinese cultural traits and the speed of the ICT evolution in China have combined to bring about a unique cyber experience. This analysis may be helpful to other scholars who wish to compare the impact of ICTs in various cultures or who are interested in discovering how Mainland China went ‘cyber’.
Wai-chi Rodney ChuEmail:
  相似文献   
669.
Flow is an experience of enjoyment, concentration, and low self-awareness that occurs during active task performance. We investigated associations between the tendency to experience flow (flow proneness), Big Five personality traits and intelligence in two samples. We hypothesized a negative relation between flow proneness and neuroticism, since negative affect could interfere with the affective component of flow. Secondly, since sustained attention is a component of flow, we tested whether flow proneness is positively related to intelligence. Sample 1 included 137 individuals who completed tests for flow proneness, intelligence, and Big Five personality. In Sample 2 (all twins; n = 2539), flow proneness and intelligence, but not personality, were measured. As hypothesized, we found a negative correlation between flow proneness and neuroticism in Sample 1. Additional exploratory analyses revealed a positive association between flow proneness and conscientiousness. There was no correlation between flow proneness and intelligence. Although significant for some comparisons, associations between intelligence and flow proneness were also very weak in Sample 2. We conclude that flow proneness is associated with personality rather than intelligence, and discuss that flow may be a state of effortless attention that relies on different mechanisms from those involved in attention during mental effort.  相似文献   
670.
Although commercially developed interest measures based on Holland’s RIASEC types are effectively used in a variety of applied settings, these measures have somewhat limited research utility due to their length and copyright restrictions placed by the test publishers. In the present study, two sets of 8-item RIASEC scales were developed using activity-based items selected from the 30-item RIASEC scales of the Interest Profiler, and two sets of 8-item RIASEC scales were developed using sets of 30 occupational job titles selected from the O∗NET database representing each Holland type. Responses to the items were obtained from three samples of college students with a total of 1024 female and 639 male participants. Results obtained in the initial development and validation process suggest that the sets of brief activity- and occupational-based RIASEC scales developed in the current study retain acceptable levels of reliability and convergent validity. The development of these brief public domain RIASEC interest measures addresses the copyright and length limitations of current scales and may be useful when conducting integrative research examining the inter-relations between Holland’s types and other individual differences measures.  相似文献   
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