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91.
Ratinckx E Brysbaert M Fias W 《Journal of experimental psychology. Human perception and performance》2005,31(5):1150-1163
The authors investigated how 2-digit Arabic numerals are named by looking at the effects of masked primes on the naming latencies. Target numerals were named faster when prime and target shared a digit at the same position (e.g., the target 28 primed by 18 and 21). In contrast, naming latencies were slower when prime and target shared 1 or 2 digits at non-corresponding places (e.g., the target 28 primed by 82, 86, or 72). Subsequent experiments showed that these priming effects were situated at the level of the verbal production of the Arabic numerals. The data point to a non-semantically mediated route from visual input to verbal output in the naming of 2-digit Arabic numerals. 相似文献
92.
For most adults, retrieval is the most common way to solve a single-digit multiplication problem (Campbell & Xue, 2001). Many theories have been proposed to describe the underlying mechanism of arithmetical fact retrieval. Testing their validity hinges on evaluating how well they account for the basic findings in mental arithmetic. The most important findings are the problem size effect (small multiplication problems are easier than larger ones; cf. 3 x 2 and 7 x 8), the five effect (problems with 5 are easier than can be accounted for by their size), and the tie effect (problems with identical operands are easier than other problems; cf. 8 x 8 and 8 x 7). We show that all existing theories have difficulties in accounting for one or more of these phenomena A new theory is presented that avoids these difficulties. The basic assumption is that candidate answers to a particular problem are in cooperative/competitive interactions and these interactions favor small, five, and tie problems. The theory is implemented as a connectionist model, and simulation data are described that are in good accord with empirical data. 相似文献
93.
Family predictors of antisocial behavior in adolescence 总被引:7,自引:0,他引:7
The goal of the present study was to examine the combined and unique ability of different aspects of family functioning to predict involvement in antisocial behavior in a large nonclinical (community) sample of adolescents. Distinction was made between global (e.g., family socioeconomic status), distal (dispositional characteristics of parents), contextual (family characteristics), and proximal (parent-child interaction) factors that operate within families. Results show that proximal factors were significant predictors of antisocial behavior, independent of their shared variance with other factors. Consistent with the hypothesized mediational model, the effects of distal and contextual factors appear to be mostly indirect: after their association with proximal factors was taken into account, these factors were no longer significantly related to antisocial behavior. The implications of these findings for planning of developmentally appropriate interventions for adolescents and their families are discussed. 相似文献
94.
The mental representation of ordinal sequences is spatially organized 总被引:11,自引:0,他引:11
In the domain of numbers the existence of spatial components in the representation of numerical magnitude has been convincingly demonstrated by an association between number magnitude and response preference with faster left- than right-hand responses for small numbers and faster right- than left-hand responses for large numbers (Dehaene, S., Bossini, S., & Giraux, P. (1993) The mental representation of parity and number magnitude. Journal of Experimental Psychology: General, 122, 371-396). Because numbers convey not only real or integer meaning but also ordinal meaning, the question of whether non-numerical ordinal information is spatially coded naturally follows. While previous research failed to show an association between ordinal position and spatial response preference, we present two experiments involving months (Experiment 1) and letters (Experiment 2) in which spatial coding is demonstrated. Furthermore, the response-side effect was obtained with two different stimulus-response mappings. The association occurred both when ordinal information was relevant and when it was irrelevant to the task, showing that the spatial component of the ordinal representation can be automatically activated. 相似文献
95.
In this paper we investigate whether an attention shift towards an auditory signal, while performing a two-choice serial reaction
time task, primes responses in the direction of the auditory signal. In Experiment 1, subjects had to react to the pitch of
the signal, which was randomly presented to the left or right ear. A short (50-ms) and a long (1000-ms) response-stimulus
interval (RSI) was used. In Experiment 2 with an RSI of 2000 ms, subjects had to respond to the color of a centrally presented
visual stimulus, while a sound was presented to one of the ears. In the short RSI condition of Experiment 1, there was a Simon
effect for location alternations only. In the long RSI condition, there was a Simon effect for location repetitions and alternations.
Experiment 2 showed a Simon effect in relation to the accessory sound. The results of this study suggest that an attention
shift is a sufficient and necessary condition in order to observe a Simon effect.
Preparation of this article was supported by a grant from the National Fund for Scientific Research, Flanders, Belgium (FWO-VL
G.0009.99) 相似文献
96.
97.
This study concerns the gender role attitudes ofgirls. These attitudes included their ideas onmotherhood as well as their ideas on female roles ingeneral. We examined whether the relations betweenmothers' employment status and their level of education,and daughters' gender role attitudes were mediated bymothers' own gender role attitudes and child-rearingstyle. In this study, 165 adolescent girls and their mothers participated. Overall, the datademonstrate the importance of mothers in the developmentof daughters' gender role attitudes. A mother'schild-rearing style as well as her own gender role attitudes do influence the gender roleattitudes a daughter develops. Level of education andmothers' employment have indirect effects. 相似文献
98.
99.
Summary Glaser and Glaser (1989) assume that the processing of colors and pictures is highly similar in that, compared to words, both kinds of stimulis have privileged access to semantic information. This assumption was tested in the present research. In Experiment 1, the season corresponding to the color or to the word of color-word Stroop stimuli had to be named (e.g., green for spring). In Experiment 2, subjects had to name the season corresponding to the picture or the word of a picture-word stimulus (e. g., flower for spring). According to Glaser and Glaser (1989), privileged semantic processing of colors and pictures should be evidenced by a larger interfering power of color and picture distractors than of word distractors. However, the asymmetric pattern of interference was observed only with picture-word stimuli (Experiment 2), but not with color-word stimuli (Experiment 1), suggesting that, unlike pictures, colors do not have privileged access to semantic information. It was also found that word distractors interfered with the semantic processing of pictures, a result that is incompatible with the dominance rule postulated by Glaser and Glaser (1989). From these results, an adapted version of the Glaser and Glaser model is proposed: colors are assumed to have privileged access to a separate color processing system and the pattern of interference depends upon the relative activation strength of the response alternatives activated by the target and the distractor. 相似文献
100.
Wim J. M. Van Damme Ferry H. Oosterhoff Wim A. van de Grind 《Attention, perception & psychophysics》1994,55(3):340-349
We examined the ability of human observers to discriminate between different 3-D quadratic surfaces defined by motion, and with head position fed back to the stimulus to provide an up-to-date dynamical perspective view. We tested whether 3-D shape or 3-D curvature would affect discrimination performance. It appeared that discrimination of 3-D quadratic shape clearly depended on shape but not on the amount of curvature. Even when the amount of curvature was randomized, subjects’ performance was not altered. On the other hand, the discrimination of 3-D curvature clearly depended linearly on curvature with Weber fractions of 20% on the average and, to a small degree, on 3-D shape. The experiment shows that observers can easily separate 3-D shape and 3-D curvature, and that Koenderink’s shape index and curvedness provide a convenient way to specify shape. These results warn us against using just any arbitrary 3-D shape in 3-D shape perception tasks and indicate, for example, that emphasizing 3-D shape in computer displays by exaggerating curvature does not have any effect. 相似文献