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531.
A central issue in cognitive neuroscience of aging research is pinpointing precise neural mechanisms that determine cognitive
outcome in late adulthood as well as identifying early markers of less successful cognitive aging. One promising biomarker
is beta amyloid (Aβ) deposition. Several new radiotracers have been developed that bind to fibrillar Aβ providing sensitive
estimates of amyloid deposition in various brain regions. Aβ imaging has been primarily used to study patients with Alzheimer’s
Disease (AD) and individuals with Mild Cognitive Impairment (MCI); however, there is now building data on Aβ deposition in
healthy controls that suggest at least 20% and perhaps as much as a third of healthy older adults show significant deposition.
Considerable evidence suggests amyloid deposition precedes declines in cognition and may be the initiator in a cascade of
events that indirectly leads to age-related cognitive decline. We review studies of Aβ deposition imaging in AD, MCI, and
normal adults, its cognitive consequences, and the role of genetic risk and cognitive reserve. 相似文献
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533.
We examine the relationship between demographics and adherence to certain religious traditions within American Christianity. Starting with Niebuhr's Social Sources of Denominationalism , we interact with a long scholarly tradition that connects demographics and religious groups, particularly the abiding "class-sect" relationship. Included in this literature are works by Roof and McKinney (1987), and the particular profiles of evangelicals by Hunter (1983) and more recently by Smith et al. (1998). Findings indicate slow convergence on certain demographics highlighted by Niebuhr (social class, region, population size), and slow divergence on other demographics (age, percent female, percent married, number of children). Contrary to previous research, evangelical Protestantism is not very distinct demographically; however, black Protestantism is, and this reflects the continued demographic significance of race. Our findings lead us to question accepted theoretical links between demographics and religious groups. We end with some preliminary recommendations for future theorizing in this area. 相似文献
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535.
- Rotation, one type of visual simulation used to create three‐dimensional (3‐D) experiences, and currently being used for product presentation on some e‐tail websites, may create consumer responses. Therefore, the purpose of this study is to examine the effects of rotation in product presentation on the cognitive, affective, and conative responses of consumers. This study employed a single‐factor between‐subjects design: product presentation (rotating vs. non‐rotating). Causal model analysis showed the influence of rotation in product presentation on perceived information quantity, mood, attitude, and purchase intention. Theoretical and managerial implications, as well as future research directions, are discussed.
536.
As human possess powerful incest-avoidance mechanisms (which likely evolved due to the high costs of inbreeding), reactions to incestuous sexual encounters may be psychologically distinct from reactions to non-incestuous (but still non-normative) sexual encounters. Accordingly, variables such as sex and sociosexuality that normally predict openness to sexual encounters in other situations (i.e., men and sociosexually unrestricted people tend to be more sexually willing) may not do so – or do so only weakly – in incestuous situations. In Study 1, sociosexuality predicted negative judgments of non-incestuous (but still normatively proscribed) sexual acts, but not judgments of incestuous sexual acts. In Study 2, sociosexuality predicted negative reactions to imagined sex with biologically unrelated (but still normatively unusual) partners, but not reactions to imagined sex with related partners (this effect was limited to women); also, men reacted less negatively than women to imagined sex with unrelated partners, but men and women reacted equally negatively to imagined sex with related partners (the latter effect was limited to sociosexually restricted men). 相似文献
537.
Irene J Kim Park Judy Garber Jeffrey A Ciesla Bruce J Ellis 《Journal of family psychology》2008,22(1):123-134
The present study addressed the following questions: (a) To what extent do different methods of measuring the family environment converge onto a single latent construct? (b) How are the constructs of positive and of negative family environment related? (c) Do the associations among various methods of measuring the family environment differ as a function of children's gender or of risk? and (d) How are the latent constructs of family environment related to depression in mothers and their children? Participants were 240 children (mean age = 11.86 years, SD = 0.57) and their mothers, who varied with regard to their history of depression. Family environment was measured with self-report questionnaires completed separately by mothers and by children, observations of mother-child interactions, and a 5-min speech sample of each mother talking about her child. Confirmatory factor analyses revealed that different methods for assessment of the family environment converged and that the constructs of positive and of negative family environments were significantly related to each other and to depression in both mothers and their children. These findings may help inform future intervention efforts by highlighting specific parenting dimensions that are strongly associated with maternal and with child depression. 相似文献
538.
Deborah J. MacInnis Carlos J. Torelli C. Whan Park 《Journal of Consumer Psychology》2019,29(3):555-562
R. Batra (2019) and S. Fournier and C. Alvarez (2019) provide many substantive perspectives related to the questions about creating cultural meaning in products and brands. This commentary organizes their views and thoughts under five broadly categorized questions and identifies additional relevant perspectives and questions for future research. 相似文献
539.
Judith A. Callan Nikolaos Kazantzis Seo Young Park Charity G. Moore Michael E. Thase Abu Minhajuddin Sander Kornblith Greg J. Siegle 《Behavior Therapy》2019,50(2):285-299
Little is known about whether or not a consistently high level of homework adherence over the course of therapy benefits patients. This question was examined in two samples of patients who were receiving individual Cognitive Behavioral Therapy (CBT) for depression (Ns = 128 [Sequenced Treatment Alternatives to Relieve Depression: STAR-D] and 183 [Continuation Phase Cognitive Therapy Relapse Prevention: C-CT-RP]). Logistic and linear regression and propensity score models were used to identify whether or not clinician assessments of homework adherence differentiated symptom reduction and remission, as assessed by the Hamilton Depression Rating Scale-17 (HDRS-17), the Quick Inventory of Depressive Symptomatology–Self-Reported Scale (QIDS-SR), and the QIDS–Clinician Scale (QIDS-C). CBT-related response and remission were equally likely between both high and low homework adherers in both studies and in all models. But in propensity adjusted models that adjusted for session attendance, for both the STAR-D and C-CT-RP samples, greater homework adherence was significantly associated with greater response and remission from depression in the first and last 8 sessions of CBT. Our results suggest that homework adherence can account for response and remission early and late in treatment, with adequate session attendence. 相似文献
540.
Kevin D. Dougherty Mitchell J. Neubert Jerry Z. Park 《Journal for the scientific study of religion》2019,58(2):475-493
Entrepreneurs tend to think differently than nonentrepreneurs. Among the differences are values prizing achievement and self‐direction, while downplaying tradition and conformity. Religion is an important correlate to human values. Nevertheless, previous research has failed to explore adequately the connections among religious beliefs, human values, and entrepreneurial outcomes. The purpose of this study is to test these relationships with a focus on beliefs that God rewards the faithful with material prosperity. We test eight hypotheses using a national survey of working adults. Results of a multigroup path model reveal that value orientations of self‐enhancement, openness to change, and conservation are associated with entrepreneurial attitudes of opportunity recognition and risk willingness. These attitudes likewise correlate with new business creation. Prosperity beliefs moderate the impact of values and entrepreneurial attitudes on the likelihood of starting a new business, but prosperity beliefs by themselves show little direct impact on entrepreneurial attitudes or action. 相似文献