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891.
Several different conceptualizations of Oppositional Defiant Disorder (ODD) symptoms have been proposed, including one undivided set of symptoms (DSM-IV-TR; APA 2000); two domains of symptoms subdivided into affective and behavioral; and three domains of symptoms subdivided as angry/irritable, argumentative/defiant, and spiteful. The current study utilizes a novel approach to examining the division of ODD symptoms through use of network analysis. Participants were 109 preschoolers (64 male) between the ages of three and six (M = 4.34 years, SD = 1.08) and their parents and teachers/caregivers, who provided ratings of ODD symptoms. Results are consistent with one-, two-, and three- cluster solutions of ODD, but perhaps provide most support for the three-cluster solution. In addition, results support the idea that negative affect, particularly anger, forms the core of the ODD symptom network during preschool. These results suggest the importance of targeting anger in preschool interventions for ODD.  相似文献   
892.
Little is known about early life diet as a risk factor for early-onset persistent conduct problems (EOP CP). To investigate this, we used data from the Avon Longitudinal Study of Parents and Children, a UK-based prospective epidemiological birth cohort. 5727 mother-child pairs (49.9 % boys) monitored since pregnancy (delivery date between 1 April, 1991 and 31 December, 1992) reported intake of fish and processed foods at 32 weeks gestation and, for the child, at 3 years; EOP (n = 666) and Low conduct problem (Low CP, n = 5061) trajectories were measured from 4 to 13 years; hyperactivity and emotional difficulties were assessed in childhood (4–10 years) and early adolescence (12–13 years), in addition to potential confounding factors (family adversity, birth complications, income). Compared to Low CP, mothers of EOP children consumed less fish (p < 0.01) and more processed food (p < 0.05) prenatally, while EOP children consumed more processed food at 3 years (p < 0.05). For EOP, but not Low CP children, consuming less than two servings/week of fish (vs. two or more servings/week, p < 0.05), and one or more servings/day of processed food (vs. less than one serving/day, p < 0.01), was associated with higher emotional difficulties in early adolescence. Conclusions: Findings suggest that prenatal and postnatal diets high in processed food, and low in fish, associate with an EOP CP trajectory and co-occurring difficulties in early adolescence. As small effect size differences were found, further studies are needed to investigate the long-term impact of early unhealthy diet.  相似文献   
893.

Purpose

This study aims at testing the mediating role of team reflexivity in the relationships between team learning, performance-prove, and performance-avoid goal orientations and team creative performance and assessing the relative importance of the three types of team goal orientation in team reflexivity and creative performance.

Methodology

We conducted Study 1 on 68 student teams by using a two-wave time-lagged design. In Study 2, we carried out a cross-sectional field study on 108 intact work teams in diverse Korean companies.

Findings

Team learning goal orientation was significantly associated with team creative performance. While team learning and performance-prove goal orientations were equally influential in predicting team reflexivity, team performance-avoid goal orientation had no relationship with team reflexivity and creative performance. Team reflexivity mediated the relationships between team learning and performance-prove goal orientations and team creative performance.

Implications

By revealing that team learning and performance-prove goal orientations can contribute to team creative performance through the facilitation of team reflective process, this study provides practitioners with insight into critical antecedents and team process that are conducive to the creative performance of work teams.

Originality/Value

This is one of the first studies to explore a mediating mechanism between team goal orientation and creative performance. This study attends to the role of team reflexivity as a key team-regulatory process that underlies the relationship between team goal orientation and team performance. Furthermore, the use of multiple studies in different contexts strengthens the robustness of the study findings.
  相似文献   
894.
By atomic-scale high-angle annular dark-field scanning transmission electron microscopy, the long-period stacking ordered (LPSO) structures in a near-equilibrium Mg97Zn1Y2 (at.%) alloy have been characterised. In addition to 18R and 14H, new polytypes of LPSO structures are analysed and determined as 60R, 78R, 26H, 96R, 38H, 40H, 108H and 246R. All of these LPSO structures feature AB′C′A building blocks with two Mg layers and three Mg layers sandwiched between them. The Bravais lattices and space groups of new polytypes of LPSO structures were easily determined via the newly introduced method. A structural relationship between the LPSOs is proposed.  相似文献   
895.
目的:以中国传统的财富观和刻板印象内容模型为理论基础,采用实验法,探讨道德、热情和能力在贫富心理融合中的作用。方法:613名社会人士参加了实验,两个实验分别操作了穷人和富人身份。结果:无论对穷人还是富人的心理融合,道德、热情和能力三个因素对心理融合的主效应都显著,且道德因素的效应值最大。这表明,人们对贫富群体的心理融合存在"道德突显效应",即道德因素在人们对穷人和富人的心理融合过程中起到重要作用。  相似文献   
896.
We identified exercise participants’ music preferences in three exercise sessions and clarified how preferred or randomly assigned music affects perceived psychological helpfulness of exercise. There were 292 fitness center members in Korea who were selected as participants. Participants’ preferred music was assessed using frequency analysis and participants were grouped by preferences. Similar percentages were observed for sedative (45.2%) and stimulative (54.8%) music during warm-up, whereas participants preferred stimulative (91.4%) and sedative (75.7%) music during workout and cooldown, respectively. During the warm-up session, sedative music was found to be more psychologically helpful for the sedative music preferred group (t = 4.86, p <.001), whereas stimulative music was found to be significantly more psychologically helpful than sedative music for the stimulative music–preferred group (t = –6.47, p <.001). During the workout sessions, the sedative music was found to be more helpful for the sedative music–preferred group, albeit with no statistical difference from stimulative music, whereas the stimulative music had similar effects to the warm-up session (t = ?18.37, p <.001). Finally, during the cool-down sessions, sedative music was found to be more psychologically helpful for the sedative music­–preferred group (t = 7.97, p <.001), whereas stimulative music was found to be more psychologically helpful to the stimulative music–preferred group (t = ?2.10, p <.05). The results of this study provide basic information for music usage in health management centers and other interested organizations to improve physical activity.  相似文献   
897.
This pupillometry study examined the relationship between intelligence and creative cognition from the resource allocation perspective. It was hypothesized that, during a creative metaphor task, individuals with higher intelligence scores would have different resource allocation patterns than individuals with lower intelligence scores. The study also examined the influence of intelligence in language and visuo-spatial domains on the resource allocation mechanism of verbal and visual creativity. The results suggested that individuals with higher intelligence scores allocated more cognitive resources for creative tasks than those with lower intelligence scores but not for non-creative tasks. The findings of this study support the view that creativity requires allocation of several cognitive faculties and may share underlying cognitive and neural mechanisms with intelligence. Domain-specific intelligence did not seem to play a significant role in the same domain, as individuals with higher scores in both domains showed similar resource allocation patterns. However, individuals with higher intelligence scores in the visuo-spatial domain generated more creative metaphorical interpretations in both verbal and visual creative metaphor tasks suggesting its importance in creative cognition.  相似文献   
898.
预防性抗生素使用的策略与决策   总被引:1,自引:0,他引:1  
探讨预防性抗生素使用时应考虑的一些问题,包括循症医学、诱导细菌耐药性、药效学和药物经济学等,供临床医生在使用预防性抗生素治疗前进行决策时参考,以期达到最佳的治疗目标。  相似文献   
899.
900.
The phrase Cold War human radiation experiments has been used by the media to categorize a broad range of research programs involving radiation experiments conducted during the Cold War era. The present study uses vignettes based on 3 widely disseminated “horror stories” used by the media to frame the radiation experiments as deviant. Both the role of the actor (autonomous or obedient) and the media frame (sensational, counter claim, or control) were manipulated in the vignettes for the purpose of testing their independent effects on attributions of responsibility. Data were collected from 337 undergraduate students enrolled in introductory sociology courses to examine whether role, frame, or both shaped respondents’ attributions of responsibility to the individual or organization involved in the experiments. Results indicate that role has a significant effect on how individuals attribute responsibility, but media frames do not.  相似文献   
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