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911.
The role of eye fixations in concentration and amplification effects during multiple object tracking
When tracking spatially extended objects in a multiple object tracking task, attention is preferentially directed to the centres of those objects (attentional concentration), and this effect becomes more pronounced as object length increases (attentional amplification). However, it is unclear whether these effects depend on differences in attentional allocation or differences in eye fixations. We addressed this question by measuring eye fixations in a dual-task paradigm that required participants to track spatially extended objects, while simultaneously detecting probes that appeared at the centres or near the endpoints of objects. Consistent with previous research, we observed concentration and amplification effects: Probes at the centres of objects were detected more readily than those near their endpoints, and this difference increased with object length. Critically, attentional concentration was observed when probes were equated for distance from fixation during free viewing, and concentration and amplification were observed without eye movements during strict fixation. We conclude that these effects reflect the prioritization of covert attention to particular spatial regions within extended objects, and we discuss the role of eye fixations during multiple object tracking. 相似文献
912.
ABSTRACTWhen looking at an object—say, a banana—we can both directly perceive its visual qualities (e.g., its size) and also make higher-level judgments about its visual and non-visual properties (e.g., not only its size, but also its cost). Suppose you obtain a rating of a property such as size. Does that rating implicate seeing or merely higher-level judgment? The answer often matters a great deal -- e.g., determining whether such ratings imply “top-down” effects of cognition on perception. Too often, however, this distinction is ignored in empirical investigations of such effects. Here we suggest a simple test for when such ratings can be used to implicate perception: whenever the very same experiment “overgeneralizes” to an unambiguously non-perceptual factor, the results cannot be used to draw implications about perception, per se. As a case study, we investigate an empirical report alleging that conservatives perceive Barack Obama as darker skinned than liberals do. Two simple experiments show that the very same effects, measured via the same “representativeness” ratings, obtain with unambiguously non-perceptual and even silly factors (involving bright red horns vs. halos, rather than brightness differences). We suggest that this renders such methods unable to implicate visual processing and we recommend that “overgeneralization tests” of this type always be conducted in such contexts. 相似文献
913.
Rebecca E. Ready Brian R. Ott Janet Grace 《Neuropsychology, development, and cognition. Section B, Aging, neuropsychology and cognition》2013,20(2):144-154
ABSTRACT Preliminary evidence suggests that quality of life reports from patients diagnosed with mild cognitive impairment (MCI) and mild Alzheimer's disease (AD) are as reliable and valid as data provided by caregivers. To date, no studies compared the factor structure of data provided by caregivers and patients. Factor analyses are important to conduct because they are an indicator of validity. This study compared the factor structure of patient and caregiver reports on the Dementia Quality of Life scale (DQoL). Participants (N?=?67) were patients diagnosed with amnestic MCI or mild AD and their caregivers. Principal axis factor analyses were run separately on patient and caregiver report data. The three-factor solutions for patient and caregiver data were nearly identical. Three factors corresponding to positive affect, negative affect, and aesthetics emerged reliably from analyses. Thus, data from patients demonstrated a factor structure that was highly consistent with caregiver report data and conformed to meaningful psychological constructs. 相似文献
914.
Jeffrey B. Wagman Brandon J. Thomas Dawn M. McBride Brian M. Day 《Ecological Psychology》2013,25(1):63-80
Previous research has shown that perception of maximum reaching height is relative to reaching ability even when the means of performing this behavior would bring about (future) changes in reaching ability. Two experiments investigate whether this continues to be the case even when the means of reaching are no longer in view. The results show perception of maximum reaching height reflects impending changes to reaching ability both when the means of performing the reaching task (and changing reaching ability) are present and when they are no longer in view. The results are discussed in the context of prospectivity, retrospectivity, and flexibility—3 fundamental hallmarks of goal-directed behavior. 相似文献
915.
Brian Cremins 《The Journal of medical humanities》2013,34(2):301-313
This essay studies Edie Fake’s award-winning graphic novel Gaylord Phoenix from the perspective of Queer Theory and Transgender Studies. Nikki Sullivan’s use of the term transmogrification from her work on somatechnics provides a critical lens through which to examine Fake’s exploration of the transgender body in his narrative. Fake includes multiple images of bodies undergoing radical transformations through a combination of magic and surgery, blurring the distinction between modern science and the occult. The essay also explores Fake’s status as an innovator in the world of comic books and graphic novels as he creates an idiosyncratic verbal and visual vocabulary largely unprecedented in the world of sequential art. 相似文献
916.
Brian Watermeyer Xanthe Hunt Leslie Swartz Poul Rohleder 《Psychoanalytic Dialogues》2013,23(5):515-531
This paper presents a theoretically-informed psychosocial analysis of the case of M, a physically disabled man from South Africa. We use M’s account as a platform from which to consider projection, melancholic suspension and grief, as these are played out in the negotiation of dependency in relationships for disabled people. Making use of a case study methodology, we examine the various strategies through which M manages those disability stereotypes which are ascribed to him, creating a picture of how identity is negotiated in the face of interpersonal dependency as well as disablist prejudice. A central proposition is that, for M, upholding relationships which bring much-needed assistance means caring for the emotional lives of his carers, in a manner which leaves him more vulnerable to internalizing identity insults, and less able to resist his own oppression. Employing a psychoanalytic frame, we suggest that the “melancholic suspension” which some disabled people may be subject to, may lead to the necessity to “take on” certain projections, in the process of accessing much-needed care. As shall be seen, M maneuvers creatively through this relational realm by engaging in trade-offs between positive identity and physical need, employing strategies which include self-deprecation, the performance of mastery, playing with gender, and humor. With these and other techniques, he navigates the relational and psychic economy of his dependency. 相似文献
917.
Brian Koehler Ph.D. 《Psychoanalytic Dialogues》2013,23(5):647-658
Françoise Davoine sees madness as a research project involving the uncanny presence of ghosts arising from the realm of the transference as well as the “big” history of wider social catastrophes across the generations, in effect “cut-out” pieces of the unconscious. Madness is a rupture in the social link that needs repairing. The therapist is a coresearcher with the individual whose madness tells a story embedded in the heart of madness itself. Davoine presents her work with a woman who has a history of multiple psychiatric hospitalizations. She invites her patient to link up with and speak of that which formerly resided in the Lacanian Real, that is, the unsymbolized haunting absence of her mother who was tragically murdered by the Nazis. The therapist's dream becomes a bridge to this world of ghosts for both patient and therapist. The dream ushers in an enactment and a transference interpretation by the therapist, which leads to a disappearance of madness from the analytic stage. I attempt to apply the theories of Post Kleinians, as well as Harold Searles and Gaetano Benedetti, to help illuminate the processes of therapeutic action. Contemporary psychoanalytic approaches to dreams and a relational view of madness are also addressed. 相似文献
918.
Brian Allen 《Ethics & behavior》2013,23(1):15-24
A number of authors have commented on the topic of mandated reporting in cases of suspected child maltreatment and the application of this requirement to researchers. Most of these commentaries focus on the interpretation of current legal standards and offer opinions for or against the imposition of mandated reporting laws on research activities. Authors on both sides of the issue offer ethical arguments, although a direct comparison and analysis of these opposing arguments is rare. This article critically examines the ethical arguments made by authors on both sides of the debate. The conclusion is reached that researchers should be mandated reporters of child maltreatment because the current arguments do not justify their exclusion from current ethical and legal standards. The author makes recommendations for the ethically responsible conduct of research in regard to this topic and legal implications are discussed. 相似文献
919.
Olga Zayts Srikant Sarangi Meow-Keong Thong Brian Hon-yin Chung Ivan Fao-man Lo Anita Sik-yau Kan Juliana Mei-Har Lee Carmencita David Padilla Eva Maria Cutiongco-de la Paz Sultana M. H. Faradz Pornswan Wasant 《Journal of genetic counseling》2013,22(6):917-924
This paper reports on the workshop ‘Genetic Counseling/Consultations in South-East Asia’ at the 10th Asia Pacific Conference on Human Genetics in Kuala Lumpur, Malaysia, in December 2012. The workshop brought together professionals and language/communication scholars from South-East Asia, and the UK. The workshop aimed at addressing culture- and context-specific genetic counseling/consultation practices in South-East Asia. As a way of contextualizing genetic counseling/consultation in South-East Asia, we first offer an overview of communication-oriented research generally, drawing attention to consultation and counseling as part of a communicative continuum with distinctive interactional features. We then provide examples of genetic counseling/consultation research in Hong Kong. As other countries in South-East Asia have not yet embarked on communication-oriented empirical research, we report on the current practices of genetic counseling/consultation in these countries in order to identify similarities and differences as well as key obstacles that could be addressed through future research. Three issues emerged as ‘problematic’: language, religion and culture. We suggest that communication-oriented research can provide a starting point for evidence-based reflections on how to incorporate a counseling mentality in genetic consultation. To conclude, we discuss the need for creating a platform for targeted training of genetic counselors based on communication-oriented research findings. 相似文献
920.
Brian K. Wald Robert P. Archer Barbara A. Winstead 《Journal of personality assessment》2013,95(3-4):417-425
Investigated the Rorschach characteristics of 28 mothers of incest victims, using the Rorschach Comprehensive System. Their characteristics were compared to those from a control group of 28 women, matched with the target group for socioeconomic status (SES), age, education, marital status, and the presence of children. Chi-square, analysis of variance, and a stepwise linear discriminant function analysis were used to evaluate Rorschach differences between the control and target groups. Major findings indicate that mothers of incest victims demonstrated significantly greater weaknesses in reality testing, more frequent signs of depression, and greater interpersonal guardedness than control group mothers. Discriminant function analysis, based on scores from the schizophrenia index (SCZI), conventional form (X + %), and texture responses (t), yielded an overall accurate classification rate of 87.5% for placement of women into the target and control group categories. 相似文献