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431.
This study tested the hypothesis that women patients with depression should perform movements more slowly and with greater variability, and their learning rate should be lower compared with age-matched healthy adult women. Three groups of adult women subjects (aged 33–37 years, women patients with mild and major depression and healthy adult women, n = 20 in each group) performed five series (20 repetitions in each series) of a speed–accuracy hand-movement task (SAT). The mean movement speed (Va) of the SAT was lower and more stable (the coefficient of variation of Va was lower) in women patients with major depression compared with those with minor depression and healthy adult women during the first series of the SAT. Only the Va and movement accuracy (path of movement, S) of the SAT varied significantly in the five learning series regardless of the subject group (healthy women subjects and women patients with minor and major depression). The intraindividual variability of reaction time, Va, maximal movement velocity to the target (tVmax), time to tVmax, and S did not change significantly in any of the groups. Our research data showed that although women patients with depression performed speed–accuracy movements more slowly, the stability of the performance of their movements and their learning rate did not differ from those of age-matched healthy adult women. 相似文献
432.
Statistical language learning: mechanisms and constraints 总被引:2,自引:0,他引:2
Jenny R. Saffran 《Current directions in psychological science》2003,12(4):110-114
What types of mechanisms underlie the acquisition of human language? Recent evidence suggests that learners, including infants, can use statistical properties of linguistic input to discover structure, including sound patterns, words, and the beginnings of grammar. These abilities appear to be both powerful and constrained, such that some statistical patterns are more readily detected and used than others. Implications for the structure of human languages are discussed. 相似文献
433.
434.
Lauren L. Emberson Jennifer B. Misyak Jennifer A. Schwade Morten H. Christiansen Michael H. Goldstein 《Developmental science》2019,22(6)
Statistical learning (SL), sensitivity to probabilistic regularities in sensory input, has been widely implicated in cognitive and perceptual development. Little is known, however, about the underlying mechanisms of SL and whether they undergo developmental change. One way to approach these questions is to compare SL across perceptual modalities. While a decade of research has compared auditory and visual SL in adults, we present the first direct comparison of visual and auditory SL in infants (8–10 months). Learning was evidenced in both perceptual modalities but with opposite directions of preference: Infants in the auditory condition displayed a novelty preference, while infants in the visual condition showed a familiarity preference. Interpreting these results within the Hunter and Ames model (1988), where familiarity preferences reflect a weaker stage of encoding than novelty preferences, we conclude that there is weaker learning in the visual modality than the auditory modality for this age. In addition, we found evidence of different developmental trajectories across modalities: Auditory SL increased while visual SL did not change for this age range. The results suggest that SL is not an abstract, amodal ability; for the types of stimuli and statistics tested, we find that auditory SL precedes the development of visual SL and is consistent with recent work comparing SL across modalities in older children. 相似文献
435.
Shiri Portnoy Lorraine Hope Aldert Vrij Pr‐Anders Granhag Karl Ask Carly Eddy Sara Landstrm 《Journal of Investigative Psychology & Offender Profiling》2019,16(3):236-250
Innocent suspects interviewed by a guilt‐presumptive versus innocence‐presumptive or neutral interviewer may tend more to display non‐verbal behaviours which neutral judges consider indicative of guilt. We examined the effects of interviewer's presumption of guilt on innocent mock suspects' alibis. Participants (N = 90) provided an alibi to convince an interviewer of their innocence of a theft after she implied that she believed that they were guilty or innocent or that she had no belief about their veracity. On the basis of existing conflicting findings for suspects' verbal behaviour during accusatory interviews, we predicted that alibis in the guilt‐belief condition would contain the highest or lowest number of correct details with overall higher or poorer accuracy rates, respectively. Although participants perceived the interviewer's presumptive approach, the number of correct details provided and accuracy rates of alibis did not differ significantly between conditions. We propose explanations to these findings and future research paths. 相似文献
436.
437.
Marcus Lindskog Neda Kerimi Anders Winman Peter Juslin 《Scandinavian journal of psychology》2015,56(2):132-139
Recent research has highlighted the importance of considering an individual's level of numeracy, that is their numerical abilities, in a vast variety of judgment and decision making tasks. To accurately evaluate the influence of numeracy requires good and valid measures of the construct. In the present study we validate a Swedish version of the Berlin Numeracy Test (Cokely, Galesic, Schulz, Ghazal & Garcia‐Retamero, 2012). The validation was carried out on both a student sample and a sample representative of the Swedish population. The Swedish BNT showed sound psychometrical properties in both samples. Further, in both samples the BNT had satisfactory convergent and discriminant validity when correlating with other measures of numeracy, while not being significantly related to measures of personality. With respect to predictive validity the results indicated divergent patterns in the two samples. In the student sample, participants scoring highest on the BNT outperformed those in the other three levels, which did not differ in performance. In contrast, in the population sample participants scoring lowest on the BNT performed worse than those in the other three levels, which did not differ in performance. Taken together, however, the results suggest that the Swedish version of the BNT should be considered a valid measure of numeracy in both Swedish student and population representative samples. 相似文献
438.
Selective,but Only if It Is Free: Children Trust Inaccurate Individuals More when Alternative Sources Are Costly 下载免费PDF全文
Patricia E. Brosseau‐Liard 《Infant and child development》2014,23(2):194-209
The present research examines the effect of the costliness of an information source on children's selective learning. In three experiments (total N = 112), 4‐ to 7‐year‐olds were given the opportunity to acquire and endorse information from one of two sources. One source, a computer, was described as always accurate; the other source, a puppet, had a history of either accuracy or inaccuracy. For some children, learning from the computer required giving away stickers. The costliness of the computer clue reduced children's use of this source across all experiments, but its effect on children's use of the puppet varied based on the puppet's accuracy and the type of information learned. Children's trust in the puppet was above chance regardless of the cost of the computer when they were learning generalizable semantic information and the puppet had a history of accuracy. When the puppet was inaccurate or when children learned episodic information, the costliness of the computer significantly increased children's trust in the puppet. Hence, attaching a cost to a preferred knowledge source reduces children's selectivity and increases their trust in sources that they would not otherwise see as desirable. Copyright © 2013 John Wiley & Sons, Ltd. 相似文献
439.
Hajime Sueki 《Psychology, health & medicine》2018,23(5):532-540
Many individuals show negative attitudes toward the use of taxes for suicide prevention. Activities that enhance knowledge and awareness of suicide and suicide prevention may increase willingness to pay (WTP) for suicide prevention. WTP is the amount that a consumer will pay for a product or service. The present study examined the influence of educational activities on enhancing knowledge and awareness of suicide and its prevention on WTP. We conducted a quasi-experimental study to examine the influence of lectures on suicide by comparing the amount of change in WTP between two groups over the same period: an intervention group (n = 92) comprising students who participated in the lectures and a control group (n = 128) comprising general university students recruited through an Internet-based survey. A t-test showed that the amount of change was significantly larger in the intervention group (t (152.31) = 2.25, p = .026). Ordinal logistic regression analysis showed that increased WTP was significantly correlated with an annual household income of JPY 4–6 million or higher. It may be appropriate to conclude that participation in lectures about suicide is effective in increasing WTP for suicide prevention. 相似文献
440.
J. Robert G. Williams 《Australasian journal of philosophy》2018,96(1):127-141
Many accounts of structural rationality give a special role to logic. This paper reviews the problem case of clear-eyed logical uncertainty. An account of rational norms on belief that does not give a special role to logic is developed: doxastic probabilism. 相似文献