首页 | 本学科首页   官方微博 | 高级检索  
文章检索
  按 检索   检索词:      
出版年份:   被引次数:   他引次数: 提示:输入*表示无穷大
  收费全文   3171篇
  免费   291篇
  2023年   50篇
  2021年   29篇
  2020年   126篇
  2019年   46篇
  2018年   65篇
  2017年   134篇
  2016年   135篇
  2015年   102篇
  2014年   121篇
  2013年   507篇
  2012年   136篇
  2011年   90篇
  2010年   104篇
  2009年   113篇
  2008年   79篇
  2007年   88篇
  2006年   88篇
  2005年   73篇
  2004年   60篇
  2003年   44篇
  2002年   55篇
  2001年   37篇
  2000年   51篇
  1999年   54篇
  1998年   30篇
  1996年   56篇
  1995年   51篇
  1994年   43篇
  1993年   47篇
  1992年   57篇
  1991年   56篇
  1990年   44篇
  1989年   36篇
  1988年   33篇
  1987年   34篇
  1986年   33篇
  1985年   27篇
  1983年   20篇
  1982年   28篇
  1980年   30篇
  1979年   43篇
  1978年   38篇
  1977年   41篇
  1976年   27篇
  1975年   22篇
  1974年   32篇
  1973年   23篇
  1971年   24篇
  1968年   20篇
  1967年   20篇
排序方式: 共有3462条查询结果,搜索用时 62 毫秒
961.
The aims of the current study were to (1) describe a spirituality-oriented, group pilot intervention for HIV-positive adults, and (2) examine the preliminary impact of the intervention among a sample (N?=?13) of adults living with HIV in an urban city in northeast United States. The 8-session intervention, based on the cognitive theory of stress and coping and the framework of spiritual coping, addressed stressors unique to HIV disease. Changes in spiritual coping and mental health were evaluated using a within group pretest-posttest design. Results revealed that, at post-intervention, participants reported higher self-rated religiosity, more use of positive spiritual coping, lower use of negative spiritual coping, and lower depression. Studies using a randomized, controlled design with larger samples of individuals with HIV are needed to determine the efficacy of a spiritual intervention when compared to a secular one.  相似文献   
962.
Richards (1997) proposes an "edge-of-chaos" theory of creativity, suggesting that circumstances that present widely disparate perspectives and ideas not perfectly coordinated with each other can stimulate creative thought, especially among persons of bipolar mood inclination. Barnes's (1996) play therapy procedure is well constituted to meet the criteria stipulated by this theory. Forty-four college students experienced 40 min of play therapy, and another 44 read and interpreted children's stories from different cultures. Half the students in each condition showed an inclination toward bipolar mood disorder as measured by the Millon Clinical Multiaxial Inventory (3rd ed.; Millon, 1994); the other half did not. Persons with an inclination toward bipolar disorder who underwent play therapy exhibited creative performance significantly more than other persons.  相似文献   
963.
Wearable assistive robotic devices are characterized by an interface, a meeting place of living tissue and mechanical forces, at which potential and kinetic energy are converted to one or the other form. Ecological scientists may make important contributions to the design of device interfaces because of a functional perspective on energy and information exchange. For ecological scientists, (a) behavioral forms are an assembly of whole functional systems from available parts, emerging in energy flows, and (b) nature explores for informationally based adaptive solutions to assemble behavioral forms by generating spontaneous patterns containing fluctuations. We present data from ongoing studies with infants that demonstrate how infants may explore for adaptive kicking solutions. Inspired by the ecological perspective and data from developing humans, ecological scientists may design interfaces to assist individuals with medical conditions that result in physical and/or mental impairment. We present one such device, what is called the “second skin,” to illustrate how a soft, prestressed material, worn on the skin surface, may be used synergistically with synthetic and biological muscles for assisting action. Our work on the second skin, thus far, suggests a set of ecologically inspired principles for design of wearable assistive robotic devices.  相似文献   
964.
In order to provide the best genetic counseling possible for women who learn of a diagnosis of Down syndrome prenatally, we sought to assess the timing of the decision to continue a pregnancy and the satisfaction these women had with learning this information. Fifty-six mothers of children with Down syndrome diagnosed prenatally between 2007 and 2010 completed a survey regarding their experience with decision-making after prenatal diagnosis. Approximately one third (17/56) of participants reported they knew before getting pregnant that they would not terminate for any reason, and almost half of the participants (24/56) reported they did not decide to continue their pregnancy until after the diagnosis. Many participants (82 %; 42/56) stated that learning the diagnosis during pregnancy increased their anxiety. The majority (88 %; 45/56) also reported that if they could do it over again, they would undergo prenatal testing for preparation purposes, despite increased anxiety. Religious and spiritual beliefs as well as feeling attached to the baby were the personal factors that had the greatest impact on most women’s decision-making. Despite increased anxiety caused by learning the diagnosis prenatally, most women favored prenatal diagnosis as it allowed them time to process the information and prepare for the birth of their child.  相似文献   
965.
This study examined the relationship between the Big Five personality dimensions, burnout, and engagement among 511 Indian Catholic diocesan priests. We expected that Neuroticism would be positively associated with burnout and negatively associated with engagement. Moreover, we expected Extraversion, Openness, Agreeableness, and Conscientiousness to be negatively associated with burnout and positively associated with engagement. Hierarchical regression analyses largely confirmed these expectations. Results are discussed in the context of the broader literature on burnout and engagement, as well as the literature on priesthood.  相似文献   
966.
Anxiety sensitivity (AS), the fear of anxiety-related symptoms, is strongly implicated in the development of anxiety disorders and is associated with other types of psychopathology. Little is known, though, about the processes through which AS might precipitate distress. As a preliminary step in understanding mechanisms, the mediational role of stress perception was evaluated in a nonclinical sample using a cross sectional design. We conducted a comparison between trait anxiety (TA) and AS to test whether any observed relations were specific to fear of anxiety (AS) or whether associations could be explained by the more general construct. Perceived stress mediated the relation between AS, and specific AS components, and panic symptoms and depression; but not in analyses where TA was statistically controlled. Perceived stress was not found to mediate the relation between TA and panic symptoms or depression, although TA, perceived stress and depression were highly correlated. Although incremental validity was not demonstrated in the present study, stress perception may be an important process through which AS amplifies reactivity to demanding life circumstances and further study is warranted.  相似文献   
967.
Changes and trends in personality assessment documented through examination of the first issues of the Journal of Personality Assessment (JPA) for the years 1937 to 1997 revealed the following: (a) compared to the Journal of Personality and PsychologicalReview, JPA published more women first authors and coauthors in every issue except in 1987; (b) of the total 8,524 individuals whose assessment protocols comprised data sets in the 7 issues, l,6 15 (19%) were patients and 4,839 (57%) were undergraduate college students; (c) combining patients and nonpatients, the average age of children under 13 was 12.24 years, the average age of high school students was 15.28 years, and the average age of adults was 24.20 years; (d) only 6% of the participants were identified as African American, Mexican American, Asian Americans, or other; and (e) in the 74 articles examined, 98 different tests, techniques, or tasks to assess personality were discussed. We suggest that future research should include a more diverse group of participants that includes more older people and more people of color.  相似文献   
968.
Gignac, Palmer, and Stough (2007/this issue) test a number of different latent factor models for the TAS–20 using a community sample of 355 participants and conclude that this scale is best represented by a “nested factors model,” with five substantive factors and a method factor. Gignac et al. also report that the correlated three-factor model and a comparable higher order model supported by most studies produced poor levels of incremental close fit. In this article, we challenge Gignac et al.'s unheralded and largely unsupported use of nested model fitting and the uncritical acceptance of exceptionally high cutoff levels to assess goodness of fit (GOF). Using more traditional and empirically supported model testing procedures and a more flexible approach to the interpretation of multiple tests of GOF, we interpret Gignac et al.'s results as actually supportive of the traditional three-factor model and one that has been recovered in 17 of the 24 factor analytic studies of the TAS–20.  相似文献   
969.
A review of the Rorschach suicide literature written 10 years ago called for cross validation studies and the use of refined methodology in order to enhance the usefulness of the test as a device for the identification, prediction, and understanding of suicidal ideation and behavior. The present followup review was undertaken and it was concluded that careful and refined research methodology can somewhat enhance sensitivity of the Rorschach to suicidal activity. It was also concluded the replicative research has not supported previously promising Rorschach suicide indicators, suggesting that the Rorschach may be an inappropriate technique for assessing suicidal activity.  相似文献   
970.
The heart-lung machine makes open-heart surgery possible by providing extracorporeal blood circulation; however, it creates microemboli in the blood that cause neurological damage. A new filter, designed to remove these emboli, was assessed by preoperative and postoperative Bender Gestalt testing. A lesser degree of the kinds of visual-motor difficulties associated with neurological deficit was produced by patients who received filtered blood. Postoperative impairment was assessed with some precision by using the Pascal-Suttell method of scoring distortions of Bender designs. The Bender scores were consistent with ultrasonic (sonar) counts of microemboli.  相似文献   
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号