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991.
Despite frequent discussions of what it means to be normal in clinical, social, and personality psychology theory, the characteristics of individuals who call themselves normal are little understood. In 5 studies, the authors investigated various hypotheses concerning the nature of normality evaluations. The authors add to recent evidence that normality evaluations represent a distinct dimension of evaluative judgments, showing self-judgments of being normal (versus strange) to be relatively independent from self-judgments of being average (versus unique). Normality evaluations showed positive relations with communal traits such as agreeableness, conscientiousness, and emotional stability, and were negatively related to openness to experience. Supporting a broader hypothesis that normality evaluations may be involved in directing or motivating personality development processes, normality evaluations were positively associated with well-being and a sense of fitting in with one's peers, and individuals who felt abnormal felt a heightened sense that they needed to improve their personality. Finally, the personality correlates of normality evaluations were found to change over the lifespan, largely in parallel with the actual mean-level development of personality traits with age. 相似文献
992.
Miller J Van Nes F 《Journal of experimental psychology. Human perception and performance》2007,33(4):829-844
Two experiments tested predictions of the hemispheric coactivation model for redundancy gain (J. O. Miller, 2004). Simple reaction time was measured in divided attention tasks with visual stimuli presented to the left or right of fixation or redundantly to both sides. Experiment 1 tested the prediction that redundancy gain--the decrease in reaction time when 2 stimuli are presented rather than 1--should increase when the response requires a greater degree of bilateral control by both hemispheres. In different blocks, the response was made with the left hand, the right hand, or both hands simultaneously. In accordance with the model, redundancy gain was larger with bimanual than with unimanual responses. Experiment 2 tested and found support for the prediction that redundancy gain should decrease when both hemispheres are activated by an irrelevant auditory accessory stimulus. Thus, the results support the hemispheric coactivation model. 相似文献
993.
Jeff Sigafoos Mark O’Reilly Helen Cannella Chaturi Edrisinha Berenice de la Cruz Megha Upadhyaya Giulio E. Lancioni Anna Hundley Alonzo Andrews Carolyn Garver David Young 《Journal of Behavioral Education》2007,16(2):93-109
We evaluated a video prompting and fading procedure for teaching three adults with developmental disabilities to wash dishes.
Video prompting involved showing video clips depicting each step of the task. All three adults reached 90–100% correct when
video prompting was implemented. Following acquisition, video prompting was withdrawn, but performance deteriorated. Subsequently,
a 3-step fading procedure was implemented in which the separate video clips were merged to form larger, multi-step segments
of video. Performance reached 80–100% correct as the video prompts were re-applied and then faded. Performance decreased at
the 3-month follow-up when prompting was removed, but stabilized at 80–90% correct when the third step in the fading sequence
was reinstated. These data suggest a promising approach for fading video prompts. 相似文献
994.
Auditory redundancy gains were assessed in two experiments in which a simple reaction time task was used. In each trial, an
auditory stimulus was presented to the left ear, to the right ear, or simultaneously to both ears. The physical difference
between auditory stimuli presented to the two ears was systematically increased across experiments. No redundancy gains were
observed when the stimuli were identical pure tones or pure tones of different frequencies (Experiment 1). A clear redundancy
gain and evidence of coactivation were obtained, however, when one stimulus was a pure tone and the other was white noise
(Experiment 2). Experiment 3 employed a two-alternative forced choice localization task and provided evidence that dichotically
presented pure tones of different frequencies are apparently integrated into a single percept, whereas a pure tone and white
noise are not fused. The results extend previous findings of redundancy gains and coactivation with visual and bimodal stimuli
to the auditory modality. Furthermore, at least within this modality, the results indicate that redundancy gains do not emerge
when redundant stimuli are integrated into a single percept. 相似文献
995.
Da Cunha C Wietzikoski S Wietzikoski EC Silva MH Chandler J Ferro MM Andreatini R Canteras NS 《Neurobiology of learning and memory》2007,87(4):451-463
The bilateral intranigral infusion of 1 micromol 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) in adult male Wistar rats caused a specific and partial loss of substantia nigra pars compacta (SNc) dopamine neurons, a partial depletion of striatal dopamine, and a deficit to learn the intra-maze cued version of the Morris water maze. Pre-training the SNc rats in the spatial version of the water maze or simply maintaining the animals on the water maze platform reversed this deficit. This improvement was even observed when the order of the extra-maze cues presented to the rats during pre-training of the spatial version was changed during training of the intra-maze cued version. However, this deficit was not reversed either by maintaining the animals on the platform if the spatial cues were surrounded and covered with a curtain or by swimming sessions in the maze without the escape platform and the curtain. These findings suggest that none of the following elements alone, learned during the spatial task pre-training, could help SNc rats learn the intra-maze cued task: improvement of swimming skills or knowledge of the existence of the escape platform; distance between the platform and the border of the pool; location of a particular extra-maze cue; relations among extra-maze cues. However, the simultaneous presence of the escape platform and extra-maze cues (irrespective of their relational configuration) during the pre-training sessions proved to be necessary for this improving effect to occur. 相似文献
996.
What children do on the Internet: domains visited and their relationship to socio-demographic characteristics and academic performance. 总被引:1,自引:0,他引:1
Linda A Jackson Ricky Samona Jeff Moomaw Lauren Ramsay Christopher Murray Amy Smith Lindsay Murray 《Cyberpsychology & behavior》2007,10(2):182-190
HomeNetToo is a longitudinal field study designed to examine the antecedents and consequences of home Internet use in low-income families. Participants included 140 children, mostly 13-year-old African American (83%) boys (58%), living in single-parent households (75%) where the median annual income was $15,000 (USD). This report focuses on children's Internet activities, socio-demographic characteristics related to their Internet activities, and the relationship between academic performance and Internet activities. Overall, findings indicate that low-income children initially use the Internet primarily for entertainment. As home Internet use loses its novelty children become more focused in their Internet activities, reducing the number of websites they visit and visiting more websites targeted to their specific interests. Pornography websites are popular initially, especially among boys, but their popularity decreases dramatically after 3 months. Age, race, and sex have little influence on which websites are most popular. Academic performance predicts subsequent Internet activities, and Internet activities predict subsequent academic performance. Directions for future research to identify mechanisms that mediate the relationship between Internet activities and academic performance and implications for the digital divide are discussed. 相似文献
997.
Crockett LJ Iturbide MI Torres Stone RA McGinley M Raffaelli M Carlo G 《Cultural diversity & ethnic minority psychology》2007,13(4):347-355
This study examined the relations between acculturative stress and psychological functioning, as well as the protective role of social support and coping style, in a sample of 148 Mexican American college students (67% female, 33% male; mean age = 23.05 years, SD = 3.33). In bivariate analyses, acculturative stress was associated with higher levels of anxiety and depressive symptoms. Moreover, active coping was associated with better adjustment (lower depression), whereas avoidant coping predicted poorer adjustment (higher levels of depression and anxiety). Tests of interaction effects indicated that parental support and active coping buffered the effects of high acculturative stress on anxiety symptoms and depressive symptoms. In addition, peer support moderated the relation between acculturative stress and anxiety symptoms. Implications for reducing the effects of acculturative stress among Mexican American college students are discussed. 相似文献
998.
Dennis Patrick Wood Jennifer Murphy Kristy Center Robert McLay Dennis Reeves Jeff Pyne Russell Shilling Brenda K Wiederhold 《Cyberpsychology & behavior》2007,10(2):309-315
The current report summarizes a case study from an Office of Naval Research (ONR) funded project to compare the effects of virtual reality graded exposure therapy (VRGET) with cognitive behavioral group therapy in active-duty corpsmen. Details of the collaborative program between the Virtual Reality Medical Center (VRMC) and Naval Medical Center San Diego (NMCSD) will be discussed. 相似文献
999.
1000.
Fatigue estimation using voice analysis 总被引:1,自引:0,他引:1
Greeley HP Berg J Friets E Wilson J Greenough G Picone J Whitmore J Nesthus T 《Behavior research methods》2007,39(3):610-619
In the present article, we present a means to remotely and transparently estimate an individual's level of fatigue by quantifying changes in his or her voice characteristics. Using Voice analysis to estimate fatigue is unique from established cognitive measures in a number of ways: (1) speaking is a natural activity requiring no initial training or learning curve, (2) voice recording is a unobtrusive operation allowing the speakers to go about their normal work activities, (3) using telecommunication infrastructure (radio, telephone, etc.) a diffuse set of remote populations can be monitored at a central location, and (4) often, previously recorded voice data are available for post hoc analysis. By quantifying changes in the mathematical coefficients that describe the human speech production process, we were able to demonstrate that for speech sounds requiring a large average air flow, a speaker's voice changes in synchrony with both direct measures of fatigue and with changes predicted by the length of time awake. 相似文献