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121.
Putatively safe and effective for improving cognitive performance in both health and disease, products purported to train the brain appeal to consumers and healthcare practitioners. In an increasingly health-centered society, these applications constitute a burgeoning commercial market. Sparse evidence coupled with lack of scientific rigor, however, leaves claims concerning the impact and duration of such brain training largely unsubstantiated. On the other hand, at least some scientific findings seem to support the effectiveness and sustainability of training for higher brain functions such as attention and working memory. In the present paper we provide a tectonic integration and synthesis of cognitive training approaches. Specifically, we sketch the relative merits and shortcomings of these programs, which often appeal to parents who must choose between side-effect-laden medication and other less conventional options. Here we examine how neuroplasticity allows the healthy as well the impaired to benefit from cognitive training programs. We evaluate the evidence and consider whether brain training can be a stand-alone treatment or an adjunct to pharmacotherapy, outline promising future prospects, and highlight what training outcomes are plausible in line with available data. Future research would determine whether the field of brain training realizes its potential to revolutionize education and rehabilitation or withers away engulfed in controversy. 相似文献
122.
In this article Robin B. Jarrett reflects on the early years in which female investigators were a minority in the field and on her participation in the Trailblazers' panel discussion at the Association for Behavioral and Cognitive Therapies on November 29, 2009. Dr. Jarrett writes these reflections in the form of a letter to current and future professionals (of all demographics) dedicated to behavioral science and its practice; she poses questions about what the future may hold. 相似文献
123.
This paper, a follow-up from a 2009 panel discussion at ABCT's Annual Convention, focuses on the choices that women make (or don't make) that can affect their careers. Women are particularly prone to feeling guilty about their choices, and while a few decades ago there was a great deal of sexism in the workplace, at this point in time, I believe that we are more likely to make assumptions that impede our careers rather than face external barriers. The paper covers some “stuck points” that stop women from advocating for themselves or results in guilt regardless of their choice. 相似文献
124.
In this paper I describe some of my professional experiences as a female, both as a graduate student and throughout my career. My own experience was unique because I began graduate school a few months after arriving in the U.S. with limited knowledge of English in a very competitive and demanding program , in addition to the fact that I was a faculty wife in that department. 相似文献
125.
We examined whether increasing individuals' perceived variability of an out-group reduces prejudice and discrimination toward its members. In a series of 4 laboratory and field experiments, we attracted participants' attention to either the homogeneity or the heterogeneity of members of an out-group, and then measured their attitudes or behaviors. Perceived variability was manipulated by making subgroups salient, by portraying the out-group members as having diverse opinions, by making salient that out-group members have different characteristics, or by asking participants to think about differences among out-group members. Prejudice and discrimination were measured in terms of self-reported attitudes, distribution of rewards, helping an out-group confederate, and evaluation of an out-group candidate in a simulated hiring decision. In all experiments, perceived variability decreased prejudice and discrimination. This effect may be due to the fact that perceived variability decreases the role of group membership in the production of attitudes and behaviors toward other individuals. 相似文献
126.
Saccadic endpoint variability is often viewed as the outcome of neural noise occurring during sensorimotor processing. However, part of this variability might result from operant learning. We tested this hypothesis by reinforcing dispersions of saccadic amplitude distributions, while maintaining constant their medians. In a first experiment we reinforced the least frequent saccadic amplitudes to increase variability, and then reinforced the central part of the amplitude distributions to reduce variability. The target was placed at a constant distance from the fovea after the saccade to maintain the postsaccadic visual signal constant and an auditory reinforcement was delivered depending on saccadic amplitude. The second experiment tested the effects of the contingency. We reinforced high levels of variability in 4 participants, whereas 4 other participants were assigned to a yoked control group. On average, saccadic amplitude standard deviations were doubled while the medians remained mostly unchanged in the experimental participants in both experiments, and variability returned to baseline level when low variability was reinforced. In the control group no consistent changes in amplitude distributions were observed. These results, showing that variability can be reinforced, challenge the idea of a stochastic neural noise. We instead propose that selection processes constrain saccadic amplitude distributions. 相似文献
127.
Chris J. Jackson 《Journal of research in personality》2011,45(1):29-36
This research determines if Mastery Goal Orientation mediates Sensation Seeking in the prediction of functional performance and if Sensation Seeking directly predicts dysfunctional behavior. Using two different measures of Sensation Seeking, a sample of fulltime Australian workers was used to test the proposed learning mechanism in the prediction of supervisor rated work outcomes, self-reported work outcomes, and self-reported dysfunctional behavior. As predicted, mediation and suppression analyses provided strong support for the proposed model but with just one of the measures of Sensation Seeking. It is concluded that this mechanism of learning has much to offer our understanding of functional and dysfunctional outcomes. 相似文献
128.
The failure to correctly report two targets (“T1”, “T2”) that follow each other in close temporal proximity has been called the “attentional blink” (AB). The AB has, so far, mainly been studied using experimental approaches. The present studies investigated individual differences in AB performance, revealing (among further findings) a high positive correlation between the accuracies of detecting the two targets correctly (r = 0.69); and between T2∣T1 accuracy and psychometric intelligence (0.41 ≤ r ≤ 0.43) and RT variability in short-term and working memory (− 0.38 ≤ r ≤ − 0.45). Together, these results support important aspects of major theoretical accounts of the AB from an individual differences perspective and introduce intelligence and intra-subject stability as contributing factors in AB performance. 相似文献
129.
130.
Itumeleng P. Khumalo Marié P. Wissing Lusilda Schutte 《Journal of Psychology in Africa》2014,24(1):61-72
Spirituality and meaning in life are important pathways to well-being. Research has conceptually and empirically linked spirituality, religiousness and meaning in life. The present study was concerned with investigating presence of meaning (MLQ-P) and search for meaning (MLQ-S) as mediators between spirituality (religious and existential well-being) and hedonic and eudaimonic well-being. A multi-cultural sample of 326 South African students completed the Meaning in Life Questionnaire (MLQ), Spiritual Well-Being Scale (SWBS), Questionnaire for Eudaimonic Well-Being (QEWB) and the Mental Health Continuum Short-Form (MHC-SF). Structural equation modelling in Mplus was used to study direct and indirect effects. Findings show that the presence of meaning in life explains more paths between spirituality and psychological well-being than search for meaning. MLQ-P mediated the paths between existential well-being and four of the five indices of psychological well-being. MLQ-S did not mediate any path between spirituality (existential and religious well-being) and psychological well-being outcomes. 相似文献