全文获取类型
收费全文 | 4898篇 |
免费 | 192篇 |
国内免费 | 2篇 |
出版年
2022年 | 27篇 |
2021年 | 41篇 |
2020年 | 70篇 |
2019年 | 103篇 |
2018年 | 135篇 |
2017年 | 140篇 |
2016年 | 139篇 |
2015年 | 111篇 |
2014年 | 124篇 |
2013年 | 634篇 |
2012年 | 209篇 |
2011年 | 205篇 |
2010年 | 148篇 |
2009年 | 130篇 |
2008年 | 177篇 |
2007年 | 182篇 |
2006年 | 172篇 |
2005年 | 181篇 |
2004年 | 172篇 |
2003年 | 152篇 |
2002年 | 162篇 |
2001年 | 73篇 |
2000年 | 73篇 |
1999年 | 85篇 |
1998年 | 83篇 |
1997年 | 60篇 |
1996年 | 84篇 |
1995年 | 66篇 |
1994年 | 66篇 |
1993年 | 63篇 |
1992年 | 73篇 |
1991年 | 50篇 |
1990年 | 49篇 |
1989年 | 57篇 |
1988年 | 44篇 |
1987年 | 49篇 |
1986年 | 47篇 |
1985年 | 67篇 |
1984年 | 51篇 |
1983年 | 60篇 |
1982年 | 59篇 |
1981年 | 52篇 |
1980年 | 44篇 |
1979年 | 33篇 |
1978年 | 38篇 |
1977年 | 32篇 |
1976年 | 31篇 |
1975年 | 22篇 |
1974年 | 31篇 |
1973年 | 25篇 |
排序方式: 共有5092条查询结果,搜索用时 328 毫秒
951.
Mary Catherine Scheeler Kristie Bruno Erin Grubb Terri Lynn Seavey 《Journal of Behavioral Education》2009,18(3):189-210
Preservice teachers learn evidence-based practices in university classrooms but often fail to use them later on in their own
K-12 classrooms. The problem may be a missing link in teacher preparation, i.e., failure to teach preservice teachers to generalize
newly acquired techniques. Two experiments using multiple baseline designs across participants assessed effectiveness of a
model to promote generalization and maintenance of a specific teaching skill. In Experiment 1, preservice teachers’ maintenance
of behavior deteriorated from practicum to student teaching when intervention consisted of training to criteria alone. When
a programming for generalization component (program common stimuli) was added to the intervention, teachers in Experiment
2 generalized and maintained behavior across settings (student teaching to own classrooms) at a higher average than occurred
during intervention. 相似文献
952.
Kara Anne Withrow Kelly A. Tracy Sarah K. Burton Virginia W. Norris Hermine H. Maes Kathleen S. Arnos Arti Pandya 《Journal of genetic counseling》2009,18(6):618-621
Hearing loss is a common sensory deficit and more than 50% of affected individuals have a genetic etiology. The discovery
of 40 genes and more than 100 loci involved in hearing loss has made genetic testing for some of these genes widely available.
Genetic services for deafness are also being sought more often due to the early identification of hearing loss through newborn
screening services. The motivations for pursuing genetic testing, and how genetic services are provided to the client may
differ among individuals. Additionally, information obtained through genetic testing can be perceived and used in different
ways by parents of deaf children and deaf adults. This study aimed to follow up on focus group studies published earlier with
a quantitative survey instrument and assess the preference of consumers for provision of genetic services. We conducted a
national survey of hearing and deaf parents of children with hearing loss and of deaf adults. Data was compared and analyzed
by hearing status of the participant, their community affiliation and the genetic testing status using nominal logistic regression.
Consistent with our focus group results, the survey participants thought that a genetic counselor/geneticist would be the
most appropriate professional to provide genetics services. Statistically significant differences were noted in the preferred
choice of provider based on the genetic testing status. Parents preferred that genetic evaluation, including testing, occur
either immediately at or a few months after the audiologic diagnosis of hearing loss. This data should help providers in clinical
genetics keep patient preferences at the helm and provide culturally competent services. 相似文献
953.
Yolanda Ridge Karen Panabaker Mary McCullum Cheryl Portigal-Todd Jenna Scott Barbara McGillivray 《Journal of genetic counseling》2009,18(1):87-100
As demand for genetic counseling regarding hereditary cancer continues to grow, more efficient methods of providing this service
must be explored. In this pilot study, group genetic counseling was offered to two different cohorts of women seeking genetic
counseling for Hereditary Breast and Ovarian Cancer. Seven group sessions, designed to cover all aspects of an individual
genetic counseling appointment, were conducted. Although patients were receptive to group genetic counseling, a significant
proportion chose individual counseling when given the option. Advantages of group genetic counseling include shared experience
and increased efficiency. Disadvantages include increased frustration at not being eligible for genetic testing, group influence
on decision-making, privacy concerns, increased need for follow-up, and difficulty booking group appointments. Overall, the
level of patient satisfaction with group genetic counseling was similar to that of individual counseling. The results of this
pilot study suggest that further research is needed to determine whether group genetic counseling is an acceptable alternative
to individual counseling. 相似文献
954.
This study examined the relations between maternal parenting styles (including warmth, behavioral control, and psychological
control) and young adults’ emotion regulation. Participants included 246 young adults from a large Midwestern university,
as well as their mothers. Higher levels of maternal control, particularly psychological control, were related to lower levels
of young adults’ emotion regulation. This study is among the first to explore the above relations within the context of young
adulthood. Limitations and clinical implications are discussed. 相似文献
955.
James P. Hambrick Sandra Pimentel Anne Marie Albano 《Cognitive and behavioral practice》2009,16(2):191-204
Although formal ethics classes provide a basic foundation in managing ethical dilemmas, professionals often point to their experiences on internship as an important training ground for consolidation of their ethical development. Clinical interns face many personal and professional transitions that can lead to a number of ethical dilemmas. Effective collaboration between administrative staff, supervisors, and interns can create a pragmatic model for negotiating these dilemmas. In this paper, issues related to balancing intern competency with training and patient/client needs, managing dual relationships with supervisory staff, and dealing with differences in orientation are addressed from the perspective of both the site and the intern. We also discuss ways in which problems can arise and how both sides can work together systematically to negotiate those problems. To illustrate this process, we discuss cases involving effective collaboration between interns and sites. Finally, the authors assert the need for formal, empirically supported training in classic ethical issues, but also in contemporary ethical issues arising from the ever-evolving field of mental health service delivery and unique challenges accompanying these advances. 相似文献
956.
Stephanie Danner Mary A. Fristad L. Eugene Arnold Eric A. Youngstrom Boris Birmaher Sarah M. Horwitz Christine Demeter Robert L. Findling Robert A. Kowatch The LAMS Group 《Clinical child and family psychology review》2009,12(3):271-293
Since the mid 1990s, early-onset bipolar spectrum disorders (BPSDs) have received increased attention in both the popular
press and scholarly press. Rates of diagnosis of BPSD in children and adolescents have increased in inpatient, outpatient,
and primary care settings. BPSDs remain difficult to diagnose, particularly in youth. The current diagnostic system makes
few modifications to accommodate children and adolescents. Researchers in this area have developed specific BPSD definitions
that affect the generalizability of their findings to all youth with BPSD. Despite knowledge gains from the research, BPSDs
are still difficult to diagnose because clinicians must: (1) consider the impact of the child’s developmental level on symptom
presentation (e.g., normative behavior prevalence, environmental limitations on youth behavior, pubertal status, irritability,
symptom duration); (2) weigh associated impairment and course of illness (e.g., neurocognitive functioning, failing to meet
full DSM criteria, future impairment); and (3) make decisions about appropriate assessment (differentiating BPSD from medical
illnesses, medications, drug use, or other psychiatric diagnoses that might better account for symptoms; comorbid disorders;
informant characteristics and assessment measures to use). Research findings concerning these challenges and relevant recommendations
are offered. Areas for further research to guide clinicians’ assessment of children with early-onset BPSD are highlighted.
Principal Investigators and Coinvestigators of Longitudinal Assessment of Manic Symptoms (LAMS) Group are listed in Appendix. 相似文献
957.
Mary Coleman 《Reviews in Religion & Theology》2009,16(4):549-550
958.
Katrin Skoruppa Ferran Pons Anne Christophe Laura Bosch Emmanuel Dupoux Núria Sebastián‐Gallés Rita Alves Limissuri Sharon Peperkamp 《Developmental science》2009,12(6):914-919
During the first year of life, infants begin to have difficulties perceiving non‐native vowel and consonant contrasts, thus adapting their perception to the phonetic categories of the target language. In this paper, we examine the perception of a non‐segmental feature, i.e. stress. Previous research with adults has shown that speakers of French (a language with fixed stress) have great difficulties in perceiving stress contrasts ( Dupoux, Pallier, Sebastián & Mehler, 1997 ), whereas speakers of Spanish (a language with lexically contrastive stress) perceive these contrasts as accurately as segmental contrasts. We show that language‐specific differences in the perception of stress likewise arise during the first year of life. Specifically, 9‐month‐old Spanish infants successfully distinguish between stress‐initial and stress‐final pseudo‐words, while French infants of this age show no sign of discrimination. In a second experiment using multiple tokens of a single pseudo‐word, French infants of the same age successfully discriminate between the two stress patterns, showing that they are able to perceive the acoustic correlates of stress. Their failure to discriminate stress patterns in the first experiment thus reflects an inability to process stress at an abstract, phonological level. 相似文献
959.
Joceline Rogé Sarah Otmani Anne Bonnefond Thierry Pébayle Alain Muzet 《Transportation Research Part F: Traffic Psychology and Behaviour》2009,12(2):143-154
The objectives of this study are to analyze the effect of a short nap on the level of alertness and on the drivers’ ability to detect the motorcyclists on the road according to the size of his/her useful visual field (UVF).Nineteen participants (m = 21 years old) carried out a driving task with a simulator, after taking a short nap (30 min) in the vehicle or not. They had to distinguish the colour change of a signal on a vehicle they were following and to detect a motorcycle which briefly appeared on the road at different eccentricities.Drivers with a limited UVF are those who detect the fewest motorcycles. Taking a short nap before the driving does not have any significant effect on data related to vision (motorcycles and signals detected), driving and alertness state ((α+θ)/β). There is a linear relationship between the size of the UVF and the ability to detect the motorcycle appearing in the left outside mirror.The implications of the results concerning the short nap as a countermeasure to a decrease in alertness and the perception of motorcycles according to extent of the useful visual field of the driver are discussed in terms of road safety. 相似文献
960.
Successful integration of individuals in macaque societies suggests that monkeys use fast and efficient perceptual mechanisms
to discriminate between conspecifics. Humans and great apes use primarily holistic and configural, but also feature-based,
processing for face recognition. The relative contribution of these processes to face recognition in monkeys is not known.
We measured face recognition in three monkeys performing a visual paired comparison task. Monkey and humans faces were (1)
axially rotated, (2) inverted, (3) high-pass filtered, and (4) low-pass filtered to isolate different face processing strategies.
The amount of time spent looking at the eyes, mouth, and other facial features was compared across monkey and human faces
for each type of stimulus manipulation. For all monkeys, face recognition, expressed as novelty preference, was intact for
monkey faces that were axially rotated or spatially filtered and was supported in general by preferential looking at the eyes,
but was impaired for inverted faces in two of the three monkeys. Axially rotated, upright human faces with a full range of
spatial frequencies were also recognized, however, the distribution of time spent exploring each facial feature was significantly
different compared to monkey faces. No novelty preference, and hence no inferred recognition, was observed for inverted or
low-pass filtered human faces. High-pass filtered human faces were recognized, however, the looking pattern on facial features
deviated from the pattern observed for monkey faces. Taken together these results indicate large differences in recognition
success and in perceptual strategies used by monkeys to recognize humans versus conspecifics. Monkeys use both second-order
configural and feature-based processing to recognize the faces of conspecifics, but they use primarily feature-based strategies
to recognize human faces. 相似文献