全文获取类型
收费全文 | 3532篇 |
免费 | 184篇 |
专业分类
3716篇 |
出版年
2023年 | 33篇 |
2021年 | 51篇 |
2020年 | 79篇 |
2019年 | 77篇 |
2018年 | 99篇 |
2017年 | 99篇 |
2016年 | 115篇 |
2015年 | 69篇 |
2014年 | 74篇 |
2013年 | 390篇 |
2012年 | 147篇 |
2011年 | 138篇 |
2010年 | 70篇 |
2009年 | 83篇 |
2008年 | 117篇 |
2007年 | 109篇 |
2006年 | 110篇 |
2005年 | 88篇 |
2004年 | 69篇 |
2003年 | 82篇 |
2002年 | 83篇 |
2001年 | 59篇 |
2000年 | 82篇 |
1999年 | 48篇 |
1998年 | 53篇 |
1997年 | 46篇 |
1996年 | 34篇 |
1993年 | 32篇 |
1992年 | 40篇 |
1991年 | 57篇 |
1990年 | 39篇 |
1989年 | 42篇 |
1988年 | 30篇 |
1987年 | 35篇 |
1986年 | 33篇 |
1985年 | 40篇 |
1984年 | 30篇 |
1983年 | 26篇 |
1982年 | 45篇 |
1981年 | 48篇 |
1980年 | 39篇 |
1979年 | 36篇 |
1978年 | 38篇 |
1977年 | 29篇 |
1976年 | 29篇 |
1975年 | 47篇 |
1974年 | 48篇 |
1973年 | 34篇 |
1971年 | 26篇 |
1968年 | 26篇 |
排序方式: 共有3716条查询结果,搜索用时 0 毫秒
1.
Samuel Weir 《Philosophical Investigations》2007,30(2):172-178
The received view of Kripke's Wittgenstein on Rules and Private Language is that it fails as an interpretation because, inter alia, it ignores or overlooks what Wittgenstein has to say in the second paragraph of Philosophical Investigations (PI) 201. In this paper, I demonstrate that the paragraph in question is in fact fully accommodated within Kripke's reading, and cannot therefore be reasonably utilised to object to it. In part one I characterise the objection; in part two I explain why it fails; in part three I suggest why commentators might have been motivated to offer it; and in part four I claim that two commentators who have offered it also imply otherwise. 相似文献
2.
This study examined the role of illness uncertainty in pain coping among women with fibromyalgia (FM), a chronic pain condition of unknown origin. Fifty-one FM participants completed initial demographic and illness uncertainty questionnaires and underwent 10-12 weekly interviews regarding pain, coping difficulty, and coping efficacy. Main outcome measures included weekly levels of difficulty coping with FM symptoms and coping efficacy. Multilevel analyses indicated that pain elevations for those high in illness uncertainty predicted increases in coping difficulty. Furthermore, when participants had more difficulty coping, they reported lower levels of coping efficacy. Results were consistent with hypothesized effects. Illness uncertainty accompanied by episodic pain negatively influenced coping efficacy, an important resource in adaptation to FM. 相似文献
3.
ABSTRACT Are there distinctively political values? Certain egalitarians seem to think that equality is one such value. Scheffler's contribution to the symposium seeks to articulate a division of moral labour between norms of personal morality and the principles of justice that regulate social institutions, and using this suggests that the egalitarian critique of Rawls can be deflected. In this paper, instead, I question the status of equality as an intrinsic value. I argue that an egalitarianism which focuses on the status of equality as valuable in itself embraces a theory of value with the worst elements of utilitarianism (in particular its consequentialism) while leaving behind any of the intuitive appeal that utilitarianism has. In its place I press that we need a political conception of egalitarianism which stresses the role of equality as a political ideal without presupposing any values with which we engage beyond those found in the norms of personal morality. 相似文献
4.
Noelle Yuen Naleen Andrade Linda Nahulu George Makini John F. McDermott George Danko Ronald Johnson Jane Waldron 《Suicide & life-threatening behavior》1996,26(1):27-36
Native Hawaiian high school students, N = 1779, were surveyed for symptoms of psycho-pathology and suicide attempts in the previous 6 months. Seventy-seven (4.3%) of the students reported making a suicide attempt. There were no significant differences in prevalence rates for males and females. Depression, anxiety, aggression, substance abuse symptoms, and low family support, but not peer support, were significantly correlated with suicide attempts. On logistic regression, depression, substance abuse, and family support independently predicted attempts. The lack of gender difference may indicate a cultural characteristic of the Hawaiian population that differentiates it from mainstream American populations but likens it to the Native American population. 相似文献
5.
A theoretical structure for multiattribute decision making is presented, based on a dynamical system for interactions in a neural network incorporating affective and rational variables. This enables modeling of problems that elude two prevailing economic decision theories: subjective expected utility theory and prospect theory. The network is unlike some that fit economic data by choosing optimal weights or coefficients within a predetermined mathematical framework. Rather, the framework itself is based on principles used elsewhere to model many other cognitive and behavioral data, in a manner approximating how humans perform behavioral functions. Different, interconnected modules within the network encode (a) attributes of objects among which choices are made, (b) object categories, (c) and goals of the decision maker. An example is utilized to simulate the actual consumer choice between old and new versions of Coca-Cola. Potential applications are also discussed to market decisions involving negotiations between participants, such as international petroleum traders. 相似文献
6.
7.
Selma A. Lewis Jim Johnson Patricia Cohen Marc Garcia Carmen Noemi Velez 《Journal of abnormal child psychology》1988,16(4):459-471
Twenty-six suicide attempters, 9 to 18 years of age, were compared with 725 nonattempters on measures of school achievement, educational goals, socioeconomic status, and depression. As has been found in studies using clinical samples, suicide attempters in our communitybased sample had significantly lower school achievement than nonattempters. The relationship between attempted suicide and low school achievement seemed to be explained by the effects of depression. Lower-SES youth tended to be more likely to attempt suicide than higher-SES youths. However, SES appeared to have little effect on the relationship between attempted suicide and school achievement. Results also suggest that children of mothers with low educational goals for them may be more at risk for attempted suicide than youths whose mothers have higher educational goals for their children.This research was supported by the National Institute of Mental Health, Grant No. MH36971. 相似文献
8.
This study assessed how confidence in judgments is affected by the need to make inferences about missing information. Subjects indicated their likelihood of taking each of a series of gambles based on both probability and payoff information or only one of these sources of information. They also rated their confidence in each likelihood judgment. Subjects in the Explicit Inference condition were asked to explicitly estimate the values of missing information before making their responses while subjects in the Implicit Inference condition were not. The manner in which probability information was framed was also manipulated. Experiment 1 employed hypothetical gambles and Experiment 2 employed gambles with real money. Expressed likelihood of taking gambles was higher when probability was phrased in terms of '% chance of winning' rather than '% chance of losing', but this difference was somewhat less with real gambles than with hypothetical gambles. Confidence ratings in each experiment were actually higher on incomplete information trials than on complete information trials in the Explicit Inference condition. Results were related to the general issue of confidence in judgments. 相似文献
9.
Attitudes toward older and younger adults: a meta-analysis 总被引:3,自引:0,他引:3
Attitudes toward the elderly have been examined in a number of empirical studies, yet the question of whether the elderly are viewed more negatively than younger persons has not been resolved. A meta-analysis of the literature was conducted to examine this question; results demonstrated that attitudes toward the elderly are more negative than attitudes toward younger people. However, smaller differences between the evaluations of elderly and younger targets were found when (a) the study used measures of personality traits (compared with measures of competence), (b) there were a larger number of dependent measures included in the effect size, (c) specific information was provided about the target person (compared with when a general target such as old person was used), and (d) a between-subjects design (compared with a within-subjects design) was used. These results support Lutsky's (1981) conclusion that age, in and of itself, seems to be less important in determining attitudes toward the elderly than other types of information. The methodological limitations within the literature and a need to consider multiple components of attitudes toward older individuals are discussed. 相似文献
10.