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541.
季浏  倪刚 《心理科学》1998,21(2):140-150
这篇论文调查了短期目标和长期目标对投篮成绩、努力程度和状态焦虑的影响.87名被试被随机分配到以下一个组中:(1)短期目标组,(2)长期目标组,(3)短期和长期目标结合组,(4)“尽力做好”组。实验时间为7周。研究结果显示:(1)结合目标组、短期目标组和长期目标组的投篮成绩显著优于“尽力做好”组;(2)结合目标组的投篮成绩提高幅度最大,其次是短期目标组和长期目标组,最后是“尽力做好”组,(3)结合目标组、短期目标组和长期目标组的投篮成绩随练习次数的增加而显著提高,(4)努力程度是结合目标组和短期目标组投篮成绩提高的调节变量。  相似文献   
542.
中药复方是中医临床治疗的重要方法。由于具有多组分、多环节协同作用的特色,因此在某些方面可能优于以单一成分为主的西药。但是这一特点也增加了对其治疗机理进行研究的难度,从而影响到中医药的进一步发展和走向世界。本文认为应用现代高新技术是中医复方研究和发展的必由之路,但是在具体应用时应注意中医药本身所具有的独特的理论框架和思路,不能拘泥于西药药用植物的研究思路和方法。  相似文献   
543.
Heart rates and behavioural states of 14 breast-fed and 14 bottlefed newborn infants were assessed every 30 seconds for 2 continuous hours. The 240 observations of heart rate were treated as time-series data and spectrum-analysed for behavioural rhythmicities. Of the 28 infants, 25 showed reliable cycles in heart rate; 22 of the 25 infants showed a dominant frequency with a 30–60 min periodicity, one that approximates the basic-rest activity cycle (BRAC). In addition to this basic cycle, additional higher frequency cycles in long-term heart rate variability were evident in the spectra of many infants. Breast-fed newborns had greater numbers of reliable cycles in heart rate than bottle-fed newborns. Further, breast-fed newborns had lower overall mean heart rates and lower mean heart rates in Quiet and Active Sleep states than bottle-fed newborns. Bottle-fed newborns were observed more often in Quiet Sleep than breast-fed newborns. Without knowledge of the specific mechanisms causing these behavioural differences, the results of this study suggest that the context in which breast-feeding occurs results in a more complex and energy-efficient pattern of behavioural organization than the context of bottle-feeding.  相似文献   
544.
Searle claims that for a machine to have intentional states it is not sufficient that a formal programme be instantiated. Various types of objections to this claim have been brought up by Searle's critics. Searle's replies to some of these objections are analysed. It turns out that it is more to these objections than Searle wants to make us believe. What is crucial, however, is that Searle's Gedankenexperiment results in a dilemma. At the outset of the dilemma there are two ways of not understanding. According to one of these ways a person (Searle's homunculus) does not understand something without knowing that s/he does not understand. While in the other mode the person knows that s/he doesn't understand. In the first case the inference from facts about the homunculus to facts about the computer is not valid whereas in the second case one would attribute mental states to the computer. Thereby Searle's claim turns out to be unfounded.  相似文献   
545.
后悔的一致性模型:理论和证据   总被引:11,自引:0,他引:11  
张结海 《心理学报》1999,32(4):451-459
重新检验Gilovich和Medvec的后悔时间性模型。该模型认为,与假设思维有关的短期后悔的研究结果相反,人们日常生活中最大的后悔(长期后悔)多是“不做”而不是“做”的后悔。该文认为这一理论上的矛盾来自于双方对“做/不做”概念以及“做-不做”规律适用范围的不同理解。该研究使用这一新的分类方法,发现和短期后悔一样,至少一半的长期后悔来自于“状态改变”的后悔。这此基础上提出后悔的一致性模型,认为长期  相似文献   
546.
Two series of experiments investigated factors affecting utterance of food calls in the domestic hen, Gallus domesticus. The first series of experiments tested the effect of food preference and the hen’s internal state on the utterance of food calls. Different food types were presented first singly and then in a choice test to 20 hens, first when hens were laying, and then when they were maternal. The second series of experiments tested the effect of hunger level on the utterance of food calls in laying hens, and maternal hens with or without chicks. These two series of experiments showed that laying hens and maternal hens showed a similar marked preference for certain types of food, but laying hens very rarely emitted food calls, in contrast to maternal hens. This shows the effect of the bird’s psychophysiological state on her tendency to emit food calls. The more a maternal hen preferred a food type, the more food calls she emitted. This was observed from the beginning of a test in single-food tests as well as in choice tests. Hunger level positively affected food-call production under certain feeding conditions in maternal hens, but not in laying hens. When maternal hens were tested in the absence of their chicks, utterance of food calls was more sustained than in the presence of chicks. Received: 14 May 1998 / Accepted after revision: 11 October 1998  相似文献   
547.
This paper reviews the concept of professional autonomy from anhistorical perspective. It became formalised in the United Kingdom onlyafter a long struggle throughout most of the nineteenth century. In itspure form professional autonomy implies unlimited powers to undertakemedical investigations and to prescribe treatment, irrespective of cost.Doctors alone should determine the quality of care and the levels ofremuneration to which they should be entitled. In the second half of thetwentieth century a steady erosion of professional autonomy occurred inthe United Kingdom. The level of remuneration has been restricted formost doctors for nearly fifty years, whilst the costs of health carehave steadily reduced the doctor's ability to provide unrestricted carewithin the health care system. Reorganisation of the National HealthService in 1983 and 1991 has substantially eroded professional autonomy,to the point where research developments, clinical judgement and ethicalstandards are all now being placed at risk.  相似文献   
548.
Sharon B. Shaw 《Group》1997,21(2):159-174
Caregiver support groups traditionally focus on education, reduction of social isolation, and supportive sharing. However, the support group literature has increasingly reflected an interest in the emotional effects of caregiving. While some authors promote the therapeutic value of supporting defenses against painful feelings, others have documented the value of encouraging their expression in groups. This paper is based on the author’s experience in co-leading an Alzheimer’s family support group, using a modern psychoanalytic approach which encourages the full expression of the caregivers’ emotional experience. Using emotional communication to explore resistances to intimacy and aggression in groups, the author demonstrates how the interplay of co-leadership and Modern Psychoanalytic theory and techniques promotes group cohesion and encourages maturational growth in group members. This model is also prescribed as an antidote to leader “burnout,” a not uncommon phenomenon for leaders of such emotionally charged groups. Private Practice, New York, New York.  相似文献   
549.
This article concerns the research done by the author in Stalin's private library. The notes made in the works of Marx, Engels and Lenin suggest that until the end of his life Stalin felt himself in general agreement with these "classics." The choice of books and the notes support the thesis that, despite his historical interest and his identification with some of the tsars as powerful rulers, Stalin always continued to consider himself a Marxist, and that he was uninterested in other systems of thought, including those of traditional Russia.  相似文献   
550.
Using data from the Integrated Database on Children and Family Services in Illinois, we examined factors associated with the length of psychiatric hospitalization of youths in state hospitals between July 1, 1987 and June 30, 1992. Univariate analysis indicated that those diagnosed with attention deficit, psychotic, and conduct disorder experienced longer hospitalizations. In contrast, youths diagnosed with depressive disorders, drug and alcohol disorders, and adjustment disorders had shorter hospitalizations. Youths receiving services from multiple sectors of the human service delivery system experienced longer hospitalizations. Youths living in communities with state hospital linked community-based mental health services had shorter hospitalizations. Males experienced longer hospitalizations than females and African American youths experienced longer hospitalizations than White youths. Hispanic youths experienced shorter stays than either White or African American youths. The proportional hazards model indicated that being female, a history of previous admissions, multiservice use, and dangerousness were all associated with the decreased likelihood of discharge. Psychotic, attention deficit, and bipolar disorders were also associated with a decreased likelihood of hospital discharge. Youths with depressive disorders and African Americans with psychotic disorders had an increased likelihood of discharge. Increased age was also associated with the increased likelihood of discharge.  相似文献   
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