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排序方式: 共有407条查询结果,搜索用时 15 毫秒
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Brenda R. J. Jansen Abe D. Hofman Marthe Straatemeier Bianca M. C. W. van Bers Maartje E. J. Raijmakers Han L. J. van der Maas 《The British journal of developmental psychology》2014,32(2):178-194
Enumeration can be accomplished by subitizing, counting, estimation, and combinations of these processes. We investigated whether the dissociation between subitizing and counting can be observed in 4‐ to 6‐year‐olds and studied whether the maximum number of elements that can be subitized changes with age. To detect a dissociation between subitizing and counting, it is tested whether task manipulations have different effects in the subitizing than in the counting range. Task manipulations concerned duration of presentation of elements (limited, unlimited) and configuration of elements (random, line, dice). In Study 1, forty‐nine 4‐ and 5‐year‐olds were tested with a computerized enumeration task. Study 2 concerned data from 4‐, 5‐, and 6‐year‐olds, collected with Math Garden, a computer‐adaptive application to practice math. Both task manipulations affected performance in the counting, but not the subitizing range, supporting the conclusion that children use two distinct enumeration processes in the two ranges. In all age groups, the maximum number of elements that could be subitized was three. The strong effect of configuration of elements suggests that subitizing might be based on a general ability of pattern recognition. 相似文献
394.
Sue Fletcher‐Watson Susan R. Leekam Brenda Connolly Jess M. Collis John M. Findlay Helen McConachie Jacqui Rodgers 《The British journal of developmental psychology》2012,30(3):446-458
Change blindness refers to the difficulty most people find in detecting a difference between two pictures when these are presented successively, with a brief interruption between. Attention at the site of the change is required for detection. A number of studies have investigated change blindness in adults and children with autism spectrum disorders (ASD). Some have produced evidence that people with ASD find changes to social stimuli harder to detect and changes to non‐social stimuli easier to detect, relative to comparison participants. However, other studies have produced entirely contradictory findings. There is a need for consistency in methodology to aid understanding of change blindness and attentional processes in ASD. Here, we replicate a change blindness study previously carried out with typically developing (TD) children and adults and with adults with ASD. Results reveal attenuated change blindness for non‐social stimuli in children with ASD relative to TD norms. Our results are interpreted, alongside others' findings, as potentially indicative of a complex relationship between different influences on attention over time. 相似文献
395.
To investigate some of the differences among lesbians proposed by Ponse (1978), 43 self-defined lesbians were interviewed and administered questionnaires. Three groups were distinguished on the basis of age of initial lesbian sexual experience, and those in the earliest and latest age groups were compared. Group 1 lesbians engaged in same-sex sexual relations prior to age 17 (perhaps before the establishment of their personal identity), were more sexually active at an earlier age, see themselves as having more stereotypic masculine traits, and define themselves as exclusively homosexual. Group 2 lesbians did not engage in same-sex sexual relations until after the age 20, were typically emotionally involved heterosexually prior to defining themselves as lesbians, and may be somewhat bisexual in activity. Both groups see themselves as being high in stereotypic feminine traits and have fairly active heterosexual histories. The heterogeneous nature of the "coming out" process for lesbians and its implications for future research are discussed. 相似文献
396.
Andrew W. Ellis Andrew W. Young Brenda M. Flude Dennis C. Hay 《The Quarterly Journal of Experimental Psychology Section A: Human Experimental Psychology》1987,39(2):193-210
Three experiments investigating the priming of the recognition of familiar faces are reported. In Experiment 1, recognizing the face of a celebrity in an “Is this face familiar?” task was primed by exposure several minutes earlier to a different photograph of the same person, but not by exposure to the person's written name (a partial replication of Bruce and Valentine, 1985). In Experiment 2, recognizing the face of a personal acquaintance was again primed by recognizing a different photograph of their face, but not by recognizing the acquaintance from that person's body shape, clothes etc. Experiment 3 showed that maximum repetition priming is obtained from prior exposure to an identical photograph of a famous face, less from a similar photograph, and least (but still significant) from a dissimilar photograph.
We argue that repetition priming is a function of the degree of physical similarity between two stimuli and that lack of priming between different stimulus types (e.g., written names and faces, or bodies and faces) may be attributable to lack of physical similarity between prime and test stimuli. Repetition priming effects may be best explained by some form of “instance-based” model such as that proposed by McClelland and Rumelhart (1985). 相似文献
We argue that repetition priming is a function of the degree of physical similarity between two stimuli and that lack of priming between different stimulus types (e.g., written names and faces, or bodies and faces) may be attributable to lack of physical similarity between prime and test stimuli. Repetition priming effects may be best explained by some form of “instance-based” model such as that proposed by McClelland and Rumelhart (1985). 相似文献
397.
Traditional theories about female adolescent suicide attempters view them as experiencing difficulty in achieving adequate separation-individuation. However, recent work on female adolescence suggests that achieving greater interdependency within relationships rather than increased independence from them is an important goal for nonclinical nonsuicidal female adolescents. We investigated both dependency needs and the perceived availability and adequacy of relationships in 21 female adolescent attempters and 23 nonattempters. Dependency needs did not significantly differentiate suicide attempters from nonattempters. Attempters, however, did report both a smaller social network and fewer intimate relationships than nonattempters, as well as less satisfaction with these relationships. These preliminary results suggest that more research is required to establish whether dependency needs are indeed causally related to the female adolescents' suicide attempts. Future research should also investigate other risk factors such as relational dissatisfaction, familial suicide attempts, and abuse. 相似文献
398.
This study compared an immigrant sample of Caribbean-Canadian women ( n = 20) and a sample of women living in the Caribbean ( n = 20) on the following variables: dominant domain of meaning (defined as that aspect of the participant's life from which she derives primary meaning for her sense of self); self-silencing (defined as the tendency to silence one's thoughts and feelings; Jack, 1991); and symptoms of depression. Results revealed that the Caribbean women were more likely to report relational domains of meaning as primary ( e.g. , family, friendships, intimate relationships), while the Caribbean-Canadian women were more likely to report domain of self-nurturance as primary ( e.g. , career goals, spirituality). Furthermore, univariate analysis revealed that the Caribbean-Canadian women reported higher levels of self-silencing and depressive symptoms, and derived less meaningfulness from their primary domains of meaning compared to the Caribbean women. These findings suggest that the immigrant experience may be a factor in women's emotional well-being. 相似文献
399.
A central and recurrent theme in developmental psychology is the question whether development proceeds continuously or discontinuously. This question is difficult to answer because the two types of development may be hard to distinguish. To investigate whether change is discontinuous, one requires a formal model for discontinuous development. Such a model should provide operational, empirical criteria to investigate the nature of development. The cusp model, which is derived from catastrophe theory, is a formal model of discontinuity that provides such criteria. Eight criteria, so-called catastrophe flags, can be derived from the model. Some of these flags are predicted in other models of discontinuity, but others, notably hysteresis, are unique to catastrophe theory. In the present research, it is tested whether the transition from Rule I to Rule II on the balance scale task proceeds discontinuously. The present research centers around five catastrophe flags: bimodality, inaccessible region, sudden jump, divergence, and hysteresis. Two experiments are reported. In Experiment 1, a paper-and-pencil version of the balance scale task was administered to 314 children who were 6 to 10 years old. In Experiment 2, an adapted version of the test was administered to 302 children who were 6 to 10 years old. Bimodality, inaccessible region, hysteresis, and sudden jump were clearly observed. Divergence was not observed. The presence of four of the five flags strongly supports the hypothesis that the transition from Rule I to Rule II is discontinuous. 相似文献
400.