全文获取类型
收费全文 | 1551篇 |
免费 | 57篇 |
出版年
2022年 | 17篇 |
2021年 | 14篇 |
2020年 | 28篇 |
2019年 | 27篇 |
2018年 | 52篇 |
2017年 | 45篇 |
2016年 | 41篇 |
2015年 | 37篇 |
2014年 | 52篇 |
2013年 | 148篇 |
2012年 | 70篇 |
2011年 | 59篇 |
2010年 | 50篇 |
2009年 | 49篇 |
2008年 | 61篇 |
2007年 | 62篇 |
2006年 | 63篇 |
2005年 | 59篇 |
2004年 | 50篇 |
2003年 | 55篇 |
2002年 | 48篇 |
2001年 | 30篇 |
2000年 | 15篇 |
1999年 | 24篇 |
1998年 | 25篇 |
1997年 | 18篇 |
1996年 | 23篇 |
1995年 | 23篇 |
1994年 | 24篇 |
1993年 | 18篇 |
1992年 | 20篇 |
1991年 | 16篇 |
1990年 | 17篇 |
1989年 | 14篇 |
1988年 | 9篇 |
1987年 | 14篇 |
1986年 | 10篇 |
1985年 | 12篇 |
1984年 | 19篇 |
1983年 | 14篇 |
1982年 | 20篇 |
1981年 | 16篇 |
1980年 | 16篇 |
1979年 | 19篇 |
1978年 | 15篇 |
1977年 | 22篇 |
1976年 | 12篇 |
1975年 | 6篇 |
1974年 | 8篇 |
1973年 | 12篇 |
排序方式: 共有1608条查询结果,搜索用时 15 毫秒
931.
Michael A. Motes Jacquelyn F. Gamino Sandra B. Chapman Neena K. Rao Mandy J. Maguire Matthew R. Brier Michael A. Kraut John Hart Jr. 《Brain and cognition》2014
The present study examined the transfer of higher-order cognitive strategy training to inhibitory control. Middle school students enrolled in a comprehension- and reasoning-focused cognitive strategy training program and passive controls participated. The training program taught students a set of steps for inferring essential gist or themes from materials. Both before and after training or a comparable duration in the case of the passive controls, participants completed a semantically cued Go/No-Go task that was designed to assess the effects of depth of semantic processing on response inhibition and components of event-related potentials (ERP) related to response inhibition. Depth of semantic processing was manipulated by varying the level of semantic categorization required for response selection and inhibition. The SMART-trained group showed inhibitory control gains and changes in fronto-central P3 ERP amplitudes on inhibition trials; whereas, the control group did not. The results provide evidence of the transfer of higher-order cognitive strategy training to inhibitory control and modulation of ERPs associated with semantically cued inhibitory control. The findings are discussed in terms of implications for cognitive strategy training, models of cognitive abilities, and education. 相似文献
932.
933.
Mary Needham Wendy Packman Maxwell Rappoport Natasha Quinn Matthew Cordova Sandra Macias Cynthia Morgan Seymour Packman 《Journal of genetic counseling》2014,23(3):330-338
Mucopolysaccharidosis type II (MPS II), also known as Hunter syndrome, is a chronic and progressive X-linked lysosomal disease that mainly affects males. It occurs in 1 in every 65,000 to 1 in 132,000 births. There are two distinct forms of the disease based on age of onset and clinical course: mild and severe. MPS II affects many organ systems including the nervous, cardiovascular, gastrointestinal and respiratory systems. Complications can include vision problems, progressive hearing loss, thickened and elastic skin, mental impairment, and enlarged liver and spleen. We herein focus on the adaptive behavior of individuals with MPS II, and the impact of MPS II on the family system. Outcomes from the Vineland-II Adaptive Behavior Scales showed that the MPS II patient sample experienced significantly lower functioning in communication, daily living skills, socialization, and motor skills compared to normative data. Patients with severe MPS II were found to have significantly lower adaptive functioning in all domains, as compared to those with mild MPS II. Length of time on ERT had no significant relationship to adaptive functioning. Results from the Peds QL Family Impact Module indicated that families of patients with MPS II experienced a lower overall health-related quality of life and overall lower family functioning (including lower emotional and cognitive functioning) than those with chronic illnesses residing in an inpatient setting. 相似文献
934.
Megan E. Grove Maya N. Wolpert Mildred K. Cho Sandra Soo-Jin Lee Kelly E. Ormond 《Journal of genetic counseling》2014,23(4):531-538
As exome and whole genome sequencing become clinically available, the potential to receive a large number of clinically relevant but incidental results is a significant challenge in the provision of genomic counseling. We conducted three focus groups of a total of 35 individuals who were members of ASHG and/or NSGC, assessing views towards the return of genomic results. Participants stressed that patient autonomy was primary. There was consensus that a mechanism to return results to the healthcare provider, rather than patient, and to streamline integration into the electronic health record would ensure these results had the maximal impact on patient management. All three focus groups agreed that pharmacogenomic results were reasonable to return and that they were not felt to be stigmatizing. With regard to the return of medically relevant results, there was much debate. Participants had difficulty in consistently assigning specific diseases to ‘bins’ that were considered obligatory versus optional for disclosure. Consensus was reached regarding the importance of informed consent and pretest counseling visits to clarify what the return of results process would entail. Evidence based professional guidelines should continue to be developed and regularly revised to assist in consistently and appropriately providing genomic results to patients. 相似文献
935.
Henderson Heather L. Bloodhart Brittany Adams Amanda S. Barnes Rebecca T. Burt Melissa Clinton Sandra Godfrey Elaine Pollack Ilana Fischer Emily V. Hernandez Paul R. 《Social Psychology of Education》2022,25(2-3):649-674
Social Psychology of Education - An abundance of literature has examined barriers to women’s equitable representation in science, technology, engineering, and math (STEM) fields, with many... 相似文献
936.
The study of aversive or ‘dark’ personality traits (e.g., Machiavellianism, narcissism, and psychopathy) is afflicted by three types of issues. Measures of aversive traits that are meant to assess the same traits often capture different content—an issue of jingle. Measures that are meant to assess different traits often capture near-identical content—an issue of jangle. Finally, disagreement over what unites aversive personality traits leads to different conclusions about what is and is not an aversive personality trait—an issue of conceptual centrality. This study outlines how decomposing personality traits into smaller elements can address these three issues. It also provides a primer on the history and assessment of these traits and sets an agenda for future research. 相似文献
937.
Pelham William E. Tapert Susan F. Gonzalez Marybel R. Guillaume Mathieu Dick Anthony Steven Sheth Chandni S. Baker Fiona C. Baskin-Sommers Arielle Marshall Andrew T. Lisdahl Krista M. Breslin Florence J. Van Rinsveld Amandine Brown Sandra A. 《Journal of abnormal child psychology》2022,50(7):919-931
Research on Child and Adolescent Psychopathology - Parental knowledge/monitoring is negatively associated with adolescents’ depressive symptoms, suggesting monitoring could be a target for... 相似文献
938.
Marija Živković Sandra Pellizzoni Irene Cristina Mammarella Maria Chiara Passolunghi 《The British journal of developmental psychology》2022,40(3):438-452
Previous studies mainly investigated working memory (WM) and math anxiety (MA) leaving almost unexplored other aspects of executive functions (EFs) in middle school period. Filling the gap in the literature, the aims of this study were: (1) to better examine the relationship between MA and math performance, (2) to better examine the relationship between EFs and math performance and (3) to investigate the interplay between EFs and MA on math performances. This study confirmed a significant and negative relationship between MA and math performance, indicates a significant and positive relationship between visuospatial WM and math performance, shifting and math performance and highlight a scarcely investigated indirect influence of MA through the measure of shifting on math performance. Our findings shed further light on the mediating role of EFs between MA and math performance and underline some future perspectives. 相似文献
939.
Yau Priscilla S. Cho Yongwon Shane Jacob Kay Joseph Heckhausen Jutta 《Journal of child and family studies》2022,31(4):897-909
Journal of Child and Family Studies - Prior research has investigated parental behavior and students’ motivation separately as predictors of adolescents’ academic achievement. The... 相似文献
940.