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971.
Delayed auditory feedback (DAF) impairs performance in speech, music, and tapping, with maximal impairment in speech occurring at a delay of about 200 msec. This critical interval has played a central role in many explanations of the DAF effect, including both closed-loop feedback explanations and alternative proposals. We investigated the nature of the critical interval in rhythmic tapping--in particular, whether the critical interval has a constant value or is dependent on performance rate. Three experiments in which a synchronization-continuation paradigm was used consistently showed that the critical interval shifted with different tapping rates, with maximal impairment occurring when the delay approximately equaled the tapping rate. We address the implications of these results for theories of DAF.  相似文献   
972.
In previous research (Sandra, Frisson, & Daems, 1999) we demonstrated that experienced writers of Dutch (18-year-olds) make spelling errors on regularly inflected homophonic verb forms. Intrusion errors, i.e., spelling of the homophonic alternative, occurred more often when the low-frequency homophone had to be written. In the present article we report error data for three groups of less experienced spellers, who have not yet fully mastered the rules for verb suffix spelling: 12-year-olds, 13-year-olds, and 14-year-olds. Younger spellers obviously make many more errors than experienced ones. Whereas this is in part due to inadequate rule mastery/application, their error patterns are also clearly influenced by the frequency relationship between the homophonic forms, i.e., the same factor accounting for the errors of experienced spellers. The conclusion of our present and past research is that homophonic forms of regularly inflected verbs have their own orthographic representations in the mental lexicon and that these representations cause interference in writing (spelling errors), whereas they might cause facilitation in reading (a claim made by dual-route models of reading).  相似文献   
973.
Thurber S  Snow M  Honts CR 《Assessment》2002,9(4):401-405
This study examined the concurrent validity of the Zung Self-Rating Depression Scale (SDS) in relation to the Depression (D) scale of the Minnesota Multiphasic Personality Inventory-2 (MMPI-2) and addressed a gap in the literature with respect to diagnostic discrimination. The participants were persons on probation or parole. Although women were more depressed than men on the SDS, gender did not interact with SDS as a predictor in a logistic regression analysis. The SDS was found to be the primary discriminating variable in distinguishing depressed from nondepressed participants. In addition, the SDS contributed significant incremental validity over the D scale and showed greater accuracy in identifying nondepressed individuals.  相似文献   
974.
After the detection of a target (T1) in a rapid stream of visual stimuli, there is a period of 400–600 msec during which a subsequent target (T2) is missed. This impairment in performance has been labeled the attentional blink. Recent theories propose that the attentional blink reflects a bottleneck in working memory consolidation such that T2 cannot be consolidated until after T1 is consolidated, and T2 is therefore masked by subsequent stimuli if it is presented while T1 is being consolidated. In support of this explanation, Giesbrecht & Di Lollo (1998) found that when T2 is the final item in the stimulus stream, no attentional blink is observed, because there are no subsequent stimuli that might mask T2. To provide a direct test of this explanation of the attentional blink, in the present study we used the P3 component of the event-related potential waveform to track the processing of T2. When T2 was followed by a masking item, we found that the P3 wave was completely suppressed during the attentional blink period, indicating that T2 was not consolidated in working memory. When T2 was the last item in the stimulus stream, however, we found that the P3 wave was delayed but not suppressed, indicating that T2 consolidation was not eliminated but simply delayed. These results are consistent with a fundamental limit on the consolidation of information in working memory.  相似文献   
975.
976.
977.
Exposure and response prevention (ERP) is a well-established treatment for obsessive-compulsive disorder (OCD). However, it is not completely effective for many patients, and some do not benefit from or tolerate this treatment. Over the past 3 decades there has been growing interest in using cognitive interventions, either as adjuncts or alternatives to exposure-based treatments such as ERP, to address these shortcomings. Cognitive therapy and cognitive behavior therapy for OCD have both demonstrated greater efficacy than no treatment at all, and appear to have a lower incidence of dropout than ERP. Unfortunately, however, for the average OCD patient, cognitive interventions have not improved treatment efficacy; that is, cognitive interventions, either alone or combined with ERP, are no more effective than ERP alone. Reasons for this disappointing result are considered, and indications for the use of cognitive interventions are discussed. Future research directions are suggested in order to evaluate more fully the merits of, and indications for, cognitive methods for treating OCD.  相似文献   
978.
This paper explores the practice of healing in the Pentecostal movement. The practice of healing has a long tradition in Pentecostal practice. The meaning of divine healing and what could be components of a theology of healing are examined. It is important for pastoral counselors, pastors, and chaplains to be aware of the importance of divine healing for Pentecostal clients.  相似文献   
979.
Negative priming has traditionally been viewed as a reflection of an inhibitory mechanism of attention. However, recent accounts have suggested that negative priming does not reflect inhibitory mechanisms. Rather, slowed reaction times on negative priming trials are either due to retrieval of incompatible response tags or of mismatching perceptual information, or due to extra processes needed to distinguish past from present information. In contrast, it is proposed that there is no firm evidence to discount inhibition models. In fact, although retrieval processes can be implicated in negative priming effects, understanding of these requires consideration of the inhibitory processes involved in selecting information for goal-directed behaviour.  相似文献   
980.
Visual Search Remains Efficient When Visual Working Memory is Full   总被引:9,自引:0,他引:9  
Many theories of attention have proposed that visual working memory plays an important role in visual search tasks. The present study examined the involvement of visual working memory in search using a dual-task paradigm in which participants performed a visual search task while maintaining no, two, or four objects in visual working memory. The presence of a working memory load added a constant delay to the visual search reaction times, irrespective of the number of items in the visual search array. That is, there was no change in the slope of the function relating reaction time to the number of items in the search array, indicating that the search process itself was not slowed by the memory load. Moreover, the search task did not substantially impair the maintenance of information in visual working memory. These results suggest that visual search requires minimal visual working memory resources, a conclusion that is inconsistent with theories that propose a close link between attention and working memory.  相似文献   
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