全文获取类型
收费全文 | 4433篇 |
免费 | 752篇 |
国内免费 | 426篇 |
专业分类
5611篇 |
出版年
2024年 | 23篇 |
2023年 | 115篇 |
2022年 | 141篇 |
2021年 | 157篇 |
2020年 | 277篇 |
2019年 | 230篇 |
2018年 | 231篇 |
2017年 | 226篇 |
2016年 | 205篇 |
2015年 | 186篇 |
2014年 | 185篇 |
2013年 | 633篇 |
2012年 | 169篇 |
2011年 | 191篇 |
2010年 | 122篇 |
2009年 | 184篇 |
2008年 | 170篇 |
2007年 | 183篇 |
2006年 | 196篇 |
2005年 | 160篇 |
2004年 | 132篇 |
2003年 | 143篇 |
2002年 | 109篇 |
2001年 | 86篇 |
2000年 | 85篇 |
1999年 | 75篇 |
1998年 | 62篇 |
1997年 | 79篇 |
1996年 | 60篇 |
1995年 | 57篇 |
1994年 | 73篇 |
1993年 | 52篇 |
1992年 | 45篇 |
1991年 | 41篇 |
1990年 | 29篇 |
1989年 | 23篇 |
1988年 | 21篇 |
1987年 | 35篇 |
1986年 | 33篇 |
1985年 | 38篇 |
1984年 | 38篇 |
1983年 | 33篇 |
1982年 | 34篇 |
1981年 | 34篇 |
1980年 | 28篇 |
1979年 | 34篇 |
1978年 | 28篇 |
1977年 | 51篇 |
1976年 | 41篇 |
1975年 | 27篇 |
排序方式: 共有5611条查询结果,搜索用时 0 毫秒
911.
Previous research showed that full body ownership illusions in virtual reality (VR) can be robustly induced by providing congruent visual stimulation, and that congruent tactile experiences provide a dispensable extension to an already established phenomenon. Here we show that visuo-tactile congruency indeed does not add to already high measures for body ownership on explicit measures, but does modulate movement behavior when walking in the laboratory. Specifically, participants who took ownership over a more corpulent virtual body with intact visuo-tactile congruency increased safety distances towards the laboratory’s walls compared to participants who experienced the same illusion with deteriorated visuo-tactile congruency. This effect is in line with the body schema more readily adapting to a more corpulent body after receiving congruent tactile information. We conclude that the action-oriented, unconscious body schema relies more heavily on tactile information compared to more explicit aspects of body ownership. 相似文献
912.
Individuals diagnosed with autism spectrum disorder may engage in self‐injurious behavior that can cause tissue damage. Protective equipment is sometimes used to decrease the severity of tissue damage when self‐injury occurs. However, wearing protective equipment may be incompatible with some forms of adaptive behavior, such as meal consumption. The purpose of the present analysis was to identify a treatment for increasing meal consumption in two adolescent males diagnosed with an autism spectrum disorder who wore protective equipment that interfered with self‐feeding. Three interventions were evaluated: modifying the protective equipment, manipulating the reinforcing efficacy of the meal, and arranging additional positive reinforcement for meal consumption in the absence of protective equipment. Modifying protective equipment and manipulating the reinforcing efficacy of the meal were effective for both participants. Additional positive reinforcement was evaluated and effective for one participant. 相似文献
913.
Michael P. Chaney 《Journal of Addictions & Offender Counseling》2019,40(1):2-16
Articles published in the Journal of Addictions & Offender Counseling (JAOC) from 1980 to 2018 were examined to see how LGBTQ+ issues are represented. This study also investigated whether sexual orientation and gender identity were reported in empirical studies in JAOC. 相似文献
914.
Previous studies have shown that the prosocial behavior of individuals may be promoted or inhibited by the presence of others. This study hypothesizes that prosocial behavior relates to the relationships among present individuals, beyond their number. This study examines whether there is a significant difference in an individual's prosocial behavior in the presence of different types of others (strangers or friends) and whether this effect is mediated by the perception of face. Two studies that used different methods of data collection were conducted. It was found that the presence of friends promotes prosocial behavior more than does the presence of strangers. In addition, perceived face plays a mediating role between the presence of different types of people and prosocial behavior. 相似文献
915.
Stephanie A. Wiebe Cass Elliott Susan M. Johnson Melissa Burgess Moser Tracy L. Dalgleish Marie-France Lafontaine 《Journal of couple & relationship therapy》2019,18(1):1-21
Emotionally focused couple therapy (EFT) is an empirically validated attachment based approach to couple therapy. From an EFT perspective, sexual functioning is viewed within the context of an attachment bond, but sexual satisfaction in EFT has not been empirically tested. We examined self-reported sexual satisfaction across 24?months in a sample of 32 couples who received an average of 21 EFT sessions. We found that sexual satisfaction increased across six time points from pre to post therapy and across follow-up (6, 12, 18, and 24?months), and that decreases in attachment avoidance from pre to post therapy predicted increases in sexual satisfaction across time. These findings provide evidence that EFT may help couples improve their sexual satisfaction by reducing attachment avoidance in therapy. 相似文献
916.
Existing antivirus programs detect malicious code based on fixed signatures; therefore, they have limitations in detecting metamorphic malicious code that lacks signature information or possesses circumventing code inserted into it. Research on the methods for detecting this type of metamorphic malicious code primarily focuses on techniques that can detect code based on behavioral similarity to known malicious code. However, these techniques measure the degree of similarity with existing malicious code using API function call patterns. Therefore, they have certain disadvantages, such as low accuracy and large detection times. In this paper, we propose a method which can overcome the limitations of existing methods by using the FP-Growth algorithm, a data mining technique, and the Markov Logic Networks algorithm, a probabilistic inference method. To perform a comparative evaluation of the proposed method's malicious code behavior detection, we performed inference experiments using malicious code with an inserted code for random malicious behavior. We performed experiments to select optimal weights for each inference rule to improve our malicious code behavior inferences’ accuracy. The results of experiments, in which we performed a comparative evaluation with the General Bayesian Network, showed that the proposed method had an 8% higher classification performance. 相似文献
917.
成瘾行为给个体和社会带来了严重的危害。对成瘾人群时间洞察力的研究成为探讨成瘾行为产生和发展的一个新的视角。过去消极、现在享乐和现在宿命时间洞察力取向的个体更可能出现成瘾行为, 而未来时间洞察力取向则是成瘾行为的一个保护性因素, 它不仅可以减少成瘾行为的发生, 也有利于成瘾行为的康复。从自我调节, 冲动性决策等行为机制和前额叶的神经机制方面可以帮助我们深入理解时间洞察力对成瘾行为的影响。未来研究可以进一步探讨不同成瘾行为者时间洞察力的一致性与特异性; 采用纵向研究方法探讨成瘾者时间洞察力的动态变化过程; 对成瘾者的洞察力进行干预, 增加成瘾者的未来时间洞察力, 减少其过去消极和现在时间洞察力取向来帮助成瘾者实现时间洞察力的平衡, 从而提高其戒断效果。 相似文献
918.
研究以直播营销为背景, 引入产生于通讯领域的社会临场感概念, 在文献归纳分析的基础上首先探讨直播营销环境下社会临场感的内涵和构成; 之后基于从众消费理论通过行为实验的方法探究直播营销中社会临场感影响线上从众消费的认知机制; 进一步, 根据社会临场感理论探讨自我建构和消费者-主播关系强度在此过程中的调节作用; 最后基于社会助长理论, 利用神经科学方法客观性和“过程测量”的优势探索直播营销中社会临场感影响线上从众的情感机制。研究将揭示社会临场感影响线上从众消费行为的机理, 为直播播主和电商卖家提供指导的同时, 帮助消费者了解自我, 以做出更理性的消费决策。 相似文献
919.
自我客体化的女性会内化他人的评价,把自己当做物品一样来定义和评价自我,并习惯性地对自己的身体以及外貌进行监测,从而导致身体羞耻、焦虑、“心流”体验的减少及身体内部感知的迟钝,并进一步造成更多的不良后果。以往的研究多关注于自我客体化在女性心理健康上造成的影响,很少有研究关注于自我客体户对认知表现的影响。本文梳理了自我客体户与认知表现的相关研究,以及自我客体户对认知表现可能的作用机制。未来研究需要从多方面来丰富自我客体化的操纵方式,通过实验的方式来检验自我客体化对认知表现的作用机制,以及考察不同的认知表现,并关注自我客体化对认知表现的累积效应。 相似文献
920.
亲组织不道德行为是近年来组织行为学界广泛关注的研究议题。但是, 关于亲组织不道德行为的概念内涵, 目前还存在一定模糊性。基于动机视角, 从亲组织不道德行为的定义、特征、动机、类型等方面, 对亲组织不道德行为的概念模糊性进行细致解构与深入剖析, 形成相对系统的亲组织不道德行为概念内涵; 并据此概念内涵背后的动机逻辑, 对现有的亲组织不道德行为影响因素进行分类梳理, 阐释其对亲组织不道德行为的影响机制; 最后, 从细分类型、测量工具、研究视角、影响因素、抑制机制、影响效应与本土化等方面为后续研究提供针对性的建议。 相似文献