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21.
We examined Milgram’s (1977) lost-letter technique using e-mail. In the first experiment, 79 college faculty received mock lost e-mail messages. Nineteen percent of those who received the messages responded, in all cases by returning the message to the “sender” instead of forwarding it to the “recipient.” In the second study, attitudes toward presidential candidate Ross Perot were examined by sending out two different messages to 200 randomly selected e-mail addresses in the United States. Although there was no differential response rate, examination of content revealed attitudes consistent with concurrent poll data. 相似文献
22.
Richard A. Tyrrell Ph.D. Julian F. Thayer Bruce H. Friedman Herschel W. Leibowitz Ellie L. Francis 《Integrative psychological & behavioral science》1995,30(1):46-67
Although the eyes and the heart serve very different purposes, each receives autonomic innervation. Capitalizing on recent
theoretical and technological innovations in the understanding and assessment of oculomotor and cardiovascular behavior, three
experiments measured behavioral covariation between the oculomotor and cardiovascular systems. Measures of dark focus and
dark vergence indexed oculomotor tone, and the spectral decomposition of variations in heart rate indexed cardiovascular control
mechanisms. In Experiment 1, individual differences in cardiovascular parameters could predict individuals’ dark vergence
(R2=.806) but not their dark focus (R2=.404). In Experiment 2, the same parameters were measured from subjects who experience either panic attacks (n=11) or blood phobia (n=9). Heart rate was positively correlated with dark vergence and the two subject groups were separable based on both oculomotor
and cardiovascular variables. Using a within-subjects approach, Experiment 3 found that both dark vergence and dark focus
tended to be nearer during sympathetic dominance of the heart than during parasympathetic dominance, within-subjects variations
in cardiovascular parameters could predict dark focus, and between-subjects variations in interbeat intervals could predict
dark vergence. Shared patterns of autonomic activation may be responsible for this eye-heart link. 相似文献
23.
Shifra Sagy Eliahu Stern Shaul Krakover 《American journal of community psychology》1996,24(5):657-676
This study examines macro and micro factors influencing the development of sense of community (Davidson & Cotter, 1980) in
two different populations (immigrants and veterans) in new temporary neighborhoods in Israel. At the macrolevel, the major
factors examined were population size, population density, number of dwelling units in the site, urbanity of the area, ethnic
heterogeneity, and peripheriality of the region. Three kinds of variables were examined on the microlevel: (a) personal attitudes:
evaluation of the dwelling unit and satisfaction with public services; (b) social networks; and (c) sociodemographic characteristics.
Data were collected from 242 immigrants from the former USSR and from 60 Israeli veterans, residing in 5 different sites.
Two different patterns of predictors of sense of community emerged in the two different samples. In the veteran sample, only
one macrolevel variable entered the stepwise analysis equation: the number of dwelling units in the site. In the immigrant
sample, three significant microlevel factors entered the equation: evaluation of the dwelling unit, external network, and
age. The data thus suggest that the major determinant factors underlying sense of community vary for different groups of people.
The paper is based on a study initiated and financed by the Ministry of Housing and Construction, the Unit of Social Policy,
Israel. 相似文献
24.
Motion Sickness and Differential Susceptibility 总被引:1,自引:0,他引:1
25.
26.
R H Chapman J M Stern 《Journal of comparative psychology (Washington, D.C. : 1983)》1978,92(6):1074-1083
The purpose of the present study was to determine whether the demasculinizing and feminizing effects of prenatal stress (i.e., stress applied to the mother during pregnancy) in rats reported previously are mediated by activation of the maternal pituitary-adrenal axis. Neither whole-body restraint, with or without hyperthermia, nor ACTH treatment during the last third of gestation had any reliable effect on masculine or feminine sexual behavior in male Sprague-Dawley offspring, although these treatments produced maternal pathology and evidence of maternal adrenocorticoid release. Significant littermate similarity was found for almost every morphological and behavioral measure. Failure to control for the litter variable may account for many previously reported effects of prenatal stress on sexual behavior in rats. The discrepancy between the present and earlier findings is discussed in terms of methodological and theoretical considerations. 相似文献
27.
北京颅脑针麻原理研究协作组 《心理学报》1980,13(2):81-87
本工作的目的为继续探讨皮肤感觉(电感受性、电痛觉)的暗示感受性和针刺镇痛的关系。被试为30例正常人。方法:针刺镇痛的效果是通过观察针刺对痛刺激引起的大脑诱发电位的抑制效应,以第一体感区的P_2次波幅变化为客观指标。暗示实验重复过去方法。主要结果:1)针刺能镇痛,针刺对多数被试(21/3D)能抑制痛刺激引起的大脑诱发电位。2)暗示后电感受性和痛阈均有提高(分别为31.26%和18.37%)3)暗示感受性高低和针刺抑制痛刺激引起的大脑诱发电位没有相关(P>0.50)。还看到被试对针刺能镇痛的信任程度与针效无关,提示暗示在针刺镇痛中不起主要作用。 相似文献
28.
Julian Hochberg 《Cognition》1981,10(1-3):127-134
29.
The present study tested the hypothesis that individuals with the Type A coronary prone behavior pattern focus their attention more on important tasks, and less on trivial tasks than do Type B's. The study used a paradigm in which some subjects worked on math problems (important task) and rated intervening mood items (trivial task), whereas others rated mood items they were to memorize (important task) and worked on intervening math problems (trivial task). All subjects were later tested on recall of mood items. Results indicated that Type A's performed better on math problems and recalled more fatigue-related mood items when the task was important than when it was trivial; for Type B subjects, there was no difference in the number of math problems solved correctly or number of mood items recalled between important and trivial task conditions. Moreover, Type A's reported greater fatigue when mood recall was the important task than when math was the important task, whereas fatigue ratings of Type B's did not differ across these conditions. The findings suggest that Type A's suppress their attention to fatigue-related symptoms only when symptoms are not the objects of focus. 相似文献
30.
The effect of information integration on the recall of ambiguous prose passages was investigated. In Experiment 1, subjects read ambiguous passages that were difficult to comprehend without titles. In judging the relative positions in the passages of pairs of test sentences, subjects performed better when they read passages headed by a suitable title than when they read untitled passages or received a title at the time of testing. In Experiment 2, subjects provided with a title at encoding also better discriminated complete old sentences from foils composed of fragments of two different old sentences than did subjects provided with no titles or with titles at the time of testing. These two tests index the degree of inter- and intrasentence information integration, respectively. Two findings indicated that integration affected free recall of an ambiguous passage. First, when the degree of integration of the passage's propositions was controlled, free recall of the passage was no different for subjects who did or did not know the passage's title at encoding. Second, inducing subjects to comprehend the passage's sentences individually, without relating them to one another, reduced free recall of the passage. 相似文献