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911.
Holmes EA Deeprose C Fairburn CG Wallace-Hadrill SM Bonsall MB Geddes JR Goodwin GM 《Behaviour research and therapy》2011,49(10):707-713
A cognitive model of bipolar disorder suggests that mental imagery acts as an emotional amplifier of mood and may be heightened in bipolar disorder. First, we tested whether patients with bipolar disorder would score higher on mental imagery measures than a matched healthy control group. Second, we examined differences in imagery between patients divided into groups according to their level of mood stability. Mood ratings over approximately 6-months, made using a mobile phone messaging system, were used to divide patients into stable or unstable groups. Clinician decisions of mood stability were corroborated with statistical analysis. Results showed (I) compared to healthy controls, patients with bipolar disorder had significantly higher scores for general mental imagery use, more vivid imagery of future events, higher levels of intrusive prospective imagery, and more extreme imagery-based interpretation bias; (II) compared to patients with stable mood, patients with unstable mood had higher levels of intrusive prospective imagery, and this correlated highly with their current levels of anxiety and depression. The findings were consistent with predictions. Further investigation of imagery in bipolar disorder appears warranted as it may highlight processes that contribute to mood instability with relevance for cognitive behaviour therapy. 相似文献
912.
Parry-Cruwys DE Neal CM Ahearn WH Wheeler EE Premchander R Loeb MB Dube WV 《Journal of applied behavior analysis》2011,44(2):363-367
Substantial experimental evidence indicates that behavior reinforced on a denser schedule is more resistant to disruption than is behavior reinforced on a thinner schedule. The present experiment studied resistance to disruption in a natural educational environment. Responding during familiar activities was reinforced on a multiple variable-interval (VI) 7-s VI 30-s schedule for 6 participants with developmental disabilities. Resistance to disruption was measured by presenting a distracting item. Response rates in the disruption components were compared to within-session response rates in prior baseline components. Results were consistent with the predictions of behavioral momentum theory for 5 of 6 participants. 相似文献
913.
Based on research linking depressive symptoms and intimate partner aggression perpetration with negatively biased perception of social stimuli, the present authors examined biased perception of emotional expressions as a mechanism in the frequently observed relationship between depression and psychological aggression perpetration. In all, 30 university students made valence ratings (negative to positive) of emotional facial expressions and completed measures of depressive symptoms and psychological aggression perpetration. As expected, depressive symptoms were positively associated with psychological aggression perpetration in an individual's current relationship, and this relationship was mediated by ratings of negative emotional expressions. These findings suggest that negatively biased perception of emotional expressions within the context of elevated depressive symptoms may represent an early stage of information processing that leads to aggressive relationship behaviors. 相似文献
914.
An essential part of understanding number words (e.g., eight) is understanding that all number words refer to the dimension of experience we call numerosity. Knowledge of this general principle may be separable from knowledge of individual number word meanings. That is, children may learn the meanings of at least a few individual number words before realizing that all number words refer to numerosity. Alternatively, knowledge of this general principle may form relatively early and proceed to guide and constrain the acquisition of individual number word meanings. The current article describes two experiments in which 116 children (2½- to 4-year-olds) were given a Word Extension task as well as a standard Give-N task. Results show that only children who understood the cardinality principle of counting successfully extended number words from one set to another based on numerosity—with evidence that a developing understanding of this concept emerges as children approach the cardinality principle induction. These findings support the view that children do not use a broad understanding of number words to initially connect number words to numerosity but rather make this connection around the time that they figure out the cardinality principle of counting. 相似文献
915.
Patients with frontal lobe damage and cognitively normal elderly individuals demonstrate increased susceptibility to false facial recognition. In this paper we review neuropsychological evidence consistent with the notion that the common functional impairment underlying face memory distortions in both subject populations is a context recollection/source monitoring deficit, coupled with excessive reliance on relatively preserved facial familiarity signals in recognition decisions. In particular, we suggest that due to the breakdown of strategic memory retrieval, monitoring, and decision operations, individuals with frontal lobe impairment caused by focal damage or age-related functional decline do not have a reliable mechanism for attributing the experience of familiarity to the correct context or source. Memory illusions are mostly apparent under conditions of uncertainty when the face cue does not directly elicit relevant identity-specific contextual information, leaving the source of familiarity unspecified or ambiguous. Based on these findings, we propose that remembering faces is a constructive process that requires dynamic interactions between temporal lobe memory systems that operate in an automatic or bottom-up fashion and frontal executive systems that provide strategic top-down control of recollection. Executive memory control functions implemented by prefrontal cortex play a critical role in suppressing false facial recognition and related source memory misattributions. 相似文献
916.
In the trenches of real-world self-control: neural correlates of breaking the link between craving and smoking 总被引:1,自引:0,他引:1
Successful goal pursuit involves repeatedly engaging self-control against temptations or distractions that arise along the way. Laboratory studies have identified the brain systems recruited during isolated instances of self-control, and ecological studies have linked self-control capacity to goal outcomes. However, no study has identified the neural systems of everyday self-control during long-term goal pursuit. The present study integrated neuroimaging and experience-sampling methods to investigate the brain systems of successful self-control among smokers attempting to quit. A sample of 27 cigarette smokers completed a go/no-go task during functional magnetic resonance imaging before they attempted to quit smoking and then reported everyday self-control using experience sampling eight times daily for 3 weeks while they attempted to quit. Increased activation in right inferior frontal gyrus, pre-supplementary motor area, and basal ganglia regions of interest during response inhibition at baseline was associated with an attenuated association between cravings and subsequent smoking. These findings support the ecological validity of neurocognitive tasks as indices of everyday response inhibition. 相似文献
917.
Lisa M. Penney Emily M. Hunter Sara J. Perry 《Journal of Occupational & Organizational Psychology》2011,84(1):58-77
We leverage conservation of resources (COR) theory to explain how conscientiousness and emotional stability (ES) are associated with resource management strategies that may reflect instrumentally driven counterproductive work behaviour (CWB). Specifically, we investigated how the relationship between conscientiousness and CWB varies as a function of the level of available personal (i.e., ES) and organizationally provided (i.e., experienced job constraints) resources. Results from two surveys administered 4 weeks apart to US employees indicate that the negative relationship between conscientiousness and CWB is positive among employees who are low in ES. 相似文献
918.
Alexander EL Butler RK Guimond C Butler B Sadovnick AD 《Journal of genetic counseling》2011,20(2):129-135
The University of British Columbia Hospital Clinic for Alzheimer Disease and Related Disorders (UBCH-CARD) invests significant
effort to obtain medical records for the confirmation of patient–reported family histories of dementia. The effectiveness
of requesting these records was assessed through a review of the 275 requests made by UBCH-CARD genetic counselors during
the 24-month period of January 1, 2005–December 31, 2006. The results were categorized according to outcome. Useful medical
records were obtained from 92 (33.5%) requests: 77 (28%) records supported, and 15 (5.5%) records did not support, the patient–reported
information. An additional 20 (7.5%) requests yielded only vague information. When verification was possible, patient–reported
family histories of Alzheimer disease, dementia, or memory loss were accurate in 84% of cases. During the study period, almost
500 h of genetic counselor work time was spent obtaining, reviewing, and following-up on records received. Changes made to
UBCH-CARD procedure in response to these findings are discussed. 相似文献
919.
Alina Morawska Matthew Sanders Elizabeth Goadby Clea Headley Lauren Hodge Christine McAuliffe Sue Pope Emily Anderson 《Journal of child and family studies》2011,20(5):614-622
Behavioural parenting programs are an effective intervention for behavioural and emotional problems in children, however these
programs have low utilisation rates by culturally diverse parents. We examined the cultural acceptability of program materials,
preferences for delivery methods, and barriers to use of the Triple P-Positive Parenting Program. One hundred and thirty seven
parents watched a video outlining the 17 strategies in Triple P and read through a tip sheet before completing a series of
questionnaires. Results revealed that parents found the strategies highly acceptable, highly useful, were very likely to use
the strategies and reported currently using the strategies often. They also rated the program materials as very culturally
appropriate and identified group, seminar, television, and individual as the most preferred delivery methods. Parents identified
location and timing of services, financial cost, and competing work commitments as the most frequently cited barriers to accessing
a parenting intervention. The findings of this study suggest that elements of parenting programs may not be contributing to
the low rates of access among culturally diverse parents. These findings highlight the need for more research addressing variables
that may contribute to increasing culturally diverse parents’ access of behavioural parenting programs. 相似文献
920.