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121.
Timo Thünken Nadine Waltschyk Theo C. M. Bakker Harald Kullmann 《Animal cognition》2009,12(5):717-724
Animal self-cognizance might be of importance in different contexts like territoriality, self-referent mate-choice or kin
recognition. We investigated whether the cichlid fish Pelvicachromis taeniatus is able to recognize own olfactory cues. P. taeniatus is a cave breeding fish with pronounced brood care and social behavior. In the experiments we gave male cave owners the choice
between two caves in which we introduced scented water. In a first experiment males preferred caves with their own odor over
caves with the odor of an unfamiliar, unrelated male. To examine whether self-recognition is based rather on individual or
on family cues we conducted two further experiments in which males could choose between their own odor and the odor of a familiar
brother and between the odor of a familiar brother and an unfamiliar, unrelated male, respectively. Males preferred their
own odor over that of a familiar brother suggesting individual self-referencing. Interestingly, males (at least outbred ones)
preferred the odor of an unfamiliar, unrelated male over that of a familiar brother, maybe to avoid competition with kin.
We discuss the results in the context of animal self-cognizance. All experiments were conducted with in- and outbred fish.
Inbreeding did not negatively affect self-recognition. 相似文献
122.
This study identified age differences in time-based prospective memory performance in school-aged children and explored possible cognitive correlates of age-related performance. A total of 56 7- to 12-year-olds performed a prospective memory task in which prospective memory accuracy, ongoing task performance, and time monitoring were assessed. Additional tests of time estimation, working memory, task switching, and planning were performed. Results showed a robust relationship between age and prospective memory performance even after controlling for ongoing task performance. Developmental differences in time monitoring were also observed, with older children generally adopting a more strategic monitoring strategy than younger children. The majority of age-related variance in prospective memory task performance could be explained by cognitive resources, in particular planning and task switching. In contrast, no further independent contribution of time estimation was observed. Findings are in line with the development of strategic behavior, as well as executive functioning, in school-aged children. 相似文献
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Timo Stein Jan Zwickel Johanna Ritter Maria Kitzmantel Werner X. Schneider 《Psychonomic bulletin & review》2009,16(1):104-109
In a set of three rapid serial visual presentation experiments, we investigated the effect of fearful and neutral face stimuli
on the report of trailing scene targets. When the emotional expression of the face stimuli had to be indicated, fearful faces
induced a stronger attentional blink (AB) than did neutral faces. However, with identical physical stimulation, the enhancement
of the AB by fearful faces disappeared when participants had to judge the faces’ gender. If faces did not have to be reported,
no AB was observed. Thus, fearful faces exhibited an effect on the AB that crucially depended on the observer’s attentional
set. Hence, the AB can be influenced by an emotional T1 when T1 has to be reported, but this influence is modulated by task
context. This result indicates a close connection between temporal attention and emotional processing that is modulated by
task context. 相似文献
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One popular concept to capture the experience of being immersed into the world of a story is that of transportation. This article examines the factorial validity of the Transportation Scale (TS) and introduces a short and psychometrically sound alternative for the assessment of transportation. Exploratory bifactor modeling in Study 1 (N = 179) provided support for the hypothesized factor structure of the original TS with three facets and a general transportation factor. Based on these analyses, a six-item short version of the scale, the Transportation Scale–Short Form (TS–SF), was developed. Study 2 (N = 131 and N = 246) as well as Study 3 (N = 301) corroborated the short form's factorial structure, reliability, and validity. 相似文献
127.
Psychological effects of (non)employment: A cross‐national comparison of the United States and Japan 下载免费PDF全文
The involuntary loss of employment has been shown to deteriorate subjective well‐being. Adopting a cross‐cultural perspective on Jahoda's ( 1982 ) deprivation model this study examines several latent and manifest benefits of work that were expected to mediate the effects of employment status on well‐being. It was hypothesized that in more collectivistic societies the decline in subjective well‐being would be a consequence of a diminished sense of collective purpose for the non‐employed, whereas in individualistic societies the crucial factors would be a loss of social status and financial benefits. The findings from two representative national surveys conducted in the United States (N = 1,093) and Japan (N = 647) provided partial support for these hypotheses. Cultural differences moderated the effects of employment status on the benefits of work. As a consequence, different processes mediated the decline in well‐being for the non‐employed in the two countries. These results are embedded within the wider discourse on culture and its effect on unemployment. 相似文献
128.
Studia Logica - We present a semantic game for Gödel logic and its extensions, where the players’ interaction stepwise reduces arbitrary claims about the relative order of truth degrees... 相似文献
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130.
Niina Komsi Katri Räikkönen Kati Heinonen Anu‐Katriina Pesonen Pertti Keskivaara Anna‐Liisa Järvenpää Timo E. Strandberg 《欧洲人格杂志》2008,22(6):553-573
Stability and change in parental extraversion and neuroticism were studied in transaction with their views of their child's temperament from the age of six months to the age of five‐and‐a‐half years in 109 mother–father–child triads (parent–daughter: n = 61, parent–son: n = 48). While parental traits showed high stability, infants' higher positive affectivity predicted an increase in parental extraversion over 5 years, and infant's higher activity predicted a decrease in parental neuroticism. Parent‐rated temperament showed expected heterotypic continuity. Initially higher parental extraversion predicted an increase in the child's effortful control, and higher parental neuroticism predicted an increase in the child's negative affectivity. The results indicate that parental personality and child temperament develop in transaction promoting change in each other. Copyright © 2008 John Wiley & Sons, Ltd. 相似文献