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51.
Rosalind C. Barnett 《Sex roles》1981,7(8):837-846
Parental sex-role attitudes (i.e., sex-role ideology, self-perceptions of masculinity and femininity and stereotyping) were examined in relation to the parental child-rearing values of independence granting and pressure for achievement. The major hypothesis was that nontraditional sex-role attitudes would be related to earlier independence granting and greater emphasis on achievement, particularly among parents of female children. A second objective was to examine sex-of-child and sex-of-parent differences in these two child-rearing values. The subjects were the natural mothers (n=138) and fathers (n=114) of preschool girls and boys. The sample (N=252) was all White, middle class, in two-parent families, and highly educated. Among parents of girls, but not of boys, sex-role attitudes had a significant effect on child-rearing values in the hypothesized direction. As for the child-rearing values per se, few sex-of-child or sex-of-parent differences emerged. In contrast to previous studies, fathers' child-rearing values were found to be relatively unaffected by the sex of their children.Data reported here were gathered as part of a research project supported by NIMH Grant No. 25217. The author is deeply grateful for the collaboration of Grace Baruch in all phases of the research. She wishes also to acknowledge the assistance of Susan Dibner, Nancy Harmon, and Diana Jeffries in instrument design and data collection, and of Frances Stubblefield in data analysis. The cooperation of participating children, parents, and preschool personnel is greatly appreciated. 相似文献
52.
Maintaining an unstable equilibrium requires that multiple joints be coordinated so that the center of mass is kept above the base of support. The authors' aim in the present study was to discover the underlying dynamics of local (foot, hip, or head) and global (center of mass) components involved in balance control and how those dynamics are affected by changes in the available information. Participants (N = 6) had to maintain their balance on an unstable platform. Using dimensional analyses (largest Lyapunov exponent and correlation dimension), the authors examined the active degrees of freedom involved in balance control. Results indicated a similarity in dimension between local (joints) and global (center of mass) components, between a fixed point and a limit cycle. The behavior of the center of mass was found to be more predictable than the behavior of its local constituents. In addition, the available visual information affected the predictability of the postural behavior, which suggests that vision is used in the stabilization of the low-dimensional dynamics underlying balance control. 相似文献
53.
54.
Rosalind Crawley Stephanie Wilkie Jenny Gamble Debra K. Creedy Jenny Fenwick Nicola Cockburn Susan Ayers 《Applied cognitive psychology》2018,32(5):584-591
Evidence for memory characteristic differences between trauma and other memories in non‐clinical samples is inconsistent. However, trauma is frequently confounded with the event recalled. This study compares trauma and nontrauma memories for the same event, childbirth, in a non‐clinical sample of 285 women 4–6 weeks after birth. None of the women met diagnostic criteria for post‐traumatic stress disorder. Traumatic birth, defined by the DSM‐5 event criterion, was reported by 100 women. The ratings of some memory characteristics did not differ between memories for traumatic and nontraumatic birth: All were rated highly coherent and central to women's lives, with moderate sensory memory. However, women who experienced traumatic births reported more involuntary recall, reliving, and negative/mixed emotions. Thus, trauma memories differed from nontrauma memories. In this non‐clinical sample, this is likely to be due to encoding during trauma rather than the distinctive memory profile for memories retrieved by those experiencing trauma symptoms. 相似文献
55.
It is well known that adopting a posture required by the central nervous system takes into account a frame of reference. This frame of reference is built on sensory information and, more particularly, on vision, which is often considered to be the main input. The contribution of vision varies by participant and defines their cognitive style. This study investigates the contribution of visual information and cognitive style to postural strategy and, more precisely, to the construction of an upside-down posture in an underwater condition. Eight synchronized swimmers performed the Rod-and-Frame Test (RFT) to assess their cognitive style and practiced upside-down posture in water to measure their body inclination. The Rod-and-Frame Test scores did not distinguish the participants, as the results of the test showed that most of them were visual-field independent. However, in a closed-eyes condition, participants achieved a more precise vertical position than when using translucent goggles. 相似文献
56.
Kountouriotis GK Floyd RC Gardner PH Merat N Wilkie RM 《Journal of experimental psychology. Human perception and performance》2012,38(3):687-702
Robust control of skilled actions requires the flexible combination of multiple sources of information. Here we examined the role of gaze during high-speed locomotor steering and in particular the role of feedback from the visible road edges. Participants were required to maintain one of three lateral positions on the road when one or both edges were degraded (either by fading or removing them). Steering became increasingly impaired as road edge information was degraded, with gaze being predominantly directed toward the required road position. When either of the road edges were removed, we observed systematic shifts in steering and gaze direction dependent upon both the required road position and the visible edge. A second experiment required fixation on the road center or beyond the road edges. The results showed that the direction of gaze led to predictable steering biases, which increased as road edge information became degraded. A new steering model demonstrates that the direction of gaze and both road edges influence steering in a manner consistent with the flexible weighted combination of near road feedback information and prospective gaze information. 相似文献
57.
58.
Christine A. Hajek H. Gerry Taylor Barbara Bangert Ann Dietrich Kathryn E. Nuss 《Child neuropsychology》2013,19(1):17-33
The level of parent-child agreement on post-concussive symptoms (PCS) was examined in children following mild traumatic brain injuries (TBI). As part of a larger longitudinal study, 186 children with mild TBI and 99 with orthopedic injuries (OI), from 8 to 15 years of age, were recruited prospectively. Parents and children completed the PCS Interview (PCS-I) and the Health and Behavior Inventory (HBI) at 2 weeks, 1 month, 3 months, and 12 months postinjury. Item-level correlations between child and parent ratings on both measures of PCS were significant but modest in both groups. Parent-child correlations for composite scales on the HBI and the total score on the PCS-I were significant in both groups, but somewhat higher in the OI group than in the mild TBI group. Mean symptom ratings tended to be significantly higher for children as compared to parents, especially for somatic symptoms. Parents and children display modest agreement when reporting PCS; their ratings correlate significantly, but children report higher mean levels of symptoms than parents. 相似文献
59.
This study explored the relationship between childhood traumatic exposure, such as violence and loss of a significant other, and reading achievement. With a sample of 163 urban elementary children (grades 2–5), the impact of traumatic events on 3 years of reading scores was examined. Results suggested that violence exposure had an adverse effect on reading scores and that there was a striking difference between students who experienced moderate exposure as compared to students with high exposure. However, both groups of students experienced a significant decrease in reading achievement. Discussion of these findings proposes an explanation for why reading achievement might be adversely affected by traumatic exposure and gives suggestions for teachers to utilize with those students identified as having been exposed to traumatic events. 相似文献
60.
Bayesian epistemology tells us with great precision how we should move from prior to posterior beliefs in light of new evidence or information, but says little about where our prior beliefs come from. It offers few resources to describe some prior beliefs as rational or well-justified, and others as irrational or unreasonable. A different strand of epistemology takes the central epistemological question to be not how to change one’s beliefs in light of new evidence, but what reasons justify a given set of beliefs in the first place. We offer an account of rational belief formation that closes some of the gap between Bayesianism and its reason-based alternative, formalizing the idea that an agent can have reasons for his or her (prior) beliefs, in addition to evidence or information in the ordinary Bayesian sense. Our analysis of reasons for belief is part of a larger programme of research on the role of reasons in rational agency (Dietrich and List, Nous, 2012a, in press; Int J Game Theory, 2012b, in press). 相似文献