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461.
Corneal reflection techniques for eye fixation position measurement have been used in recent years to assess such variables of visual behavior as duration of looking and the area(s) of the stimulus fixated. These techniques are especially useful when measuring visual regard in infants and young children as head restraints are not required. In an earlier article the present authors demonstrated, empirically, that the common assumption that the center of the pupil represents the line of sight is untenable. The present article considers the causes of the errors present in these techniques: it can be shown that theoretical calculations of these sources of error, calculations based both on the anatomy of the eye, and on the optics involved, produce good agreement with their empirically derived magnitudes. 相似文献
462.
Fourth-, sixth-, and eighth-grade students were required to indicate whether or not a stimulus word belonged in either of two semantic categories that were held in memory. Each category pair was either semantically similar or semantically dissimilar. The results indicated that even for the youngest children, similar categories required less search time than dissimilar categories. It was suggested that while dissimilar categories had to be accessed successively prior to search, subjects were able to consolidate similar categories into a superordinate group which eliminated the time to shift from one category to another during search. The results were contrasted with clustering studies which have demonstrated a minimal amount of memory facilitation in children for conceptually related items over unrelated items. 相似文献
463.
Alan S Bellack 《Journal of research in personality》1975,9(2):158-167
Two verbal recognition memory tests were administered to 24 internals and 24 externals. Subjects were required to self-evaluate (SE) their responses on the first test and both SE and self-reinforce (SR) on the second. There were no internal-external differences in performance accuracy on either task, but internals gave themselves consistently higher self-evaluations, administered more positive SR and less negative SR. There were no differences in the criteria used by the two groups for SR. SR differences appeared to be a function of the differential SE. It was suggested that external locus of control could be viewed as a self-regulation deficit. Externals are hypothesized to be unable to evaluate their own behavior adequately in the absence of external input and therefore do not make effective use of self-reinforcement. Discussion also made reference to the process of self-regulation. 相似文献
464.
Alan D. Price 《Journal of research in personality》1975,9(4):341-355
Attention to visual and nonvisual imagery, elicited by an imagery questionnaire, was studied using both within and between subjects analyses of cardiac and respiratory parameters. Visual imagery was accompanied by more regular interbeat heart rate (HR) and shorter, more stable respiratory cycles than nonvisual imagery. “Visually-oriented” thinkers (visualizers), identified by a word association test, manifested less overall variability in HR than “verbally-oriented” thinkers (verbalizers), as well as less variable HR and respiratory period during visual imagery. Visual and nonvisual imagery differed in HR variability for verbalizers and in respiration period for visualizers. The results are discussed in terms of the concepts of attention deployment, “mental load”, cerebral asymmetry, and stylistic personality differences in cognitive functioning. 相似文献
465.
E H Cornell 《Journal of experimental child psychology》1979,28(1):81-91
Nine-month-old babies were presented a manual search problem in which toys were hidden in one of two containers, and then the containers were transposed. Over a series of training trials either two, one, or no cues were perfectly correlated with the location of the toy. The infants' first searches became more accurate over training trials in conditions with consistent container and/or position cues. In the final training trial block search performance was best with two cues, intermediate with one cue, and least accurate in the no-cue condition. In a subsequent reversal procedure, in which the toy was placed in the previously unused hiding place, the number of correct first searches also differed according to the nature of cues available across hidings. The implications for learning the concept of object permanence are discussed. 相似文献
466.
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469.
Roger E. Vogler Theodore A. Weissbach John V. Compton 《Behaviour research and therapy》1977,15(1):31-38
Eighteen month follow-up data are presented for two projects evaluating the effectiveness of learning techniques for treating alcohol abuse and achieving moderation using three groups of subjects-inpatient alcoholics, outpatient alcoholics and problem drinkers. Subjects received various combinations of the following procedures: videotape self-confrontation of drunken comportment, blood alcohol concentration discriminating training, aversion training for overconsumption, avoidance practice, behavior counseling and alternatives training, and alcohol education. While the loss of subjects was considerable between 12 and 18 months follow-up, the data were very similar. Subjects in all groups improved in terms of reductions in alcohol intake and on drinking-related variables. Significant between-groups differences in favor of subjects whose training included actual experience in drinking moderately were found only for the inpatient alcoholics. In this research, the best candidate for moderation was the less chronic. younger drinker with a relatively lower alcohol intake, a more stable vocational record and no history of hospitalization for alcohol abuse or physical deterioration from drinking. We believe that the techniques with the greatest potential for the prevention and treatment of alcohol abuse are videotape self-confrontation, blood alcohol discrimination training, and alcohol education/alternatives training. 相似文献
470.
E L Du Brul 《Brain and language》1977,4(3):365-381
Renewed enthusiasm has produced provocative speculations in recent literature on the origin of speech. The purpose of the present investigation is to expose the adaptive renovations underlying the emergence of a “Vocal Tract” and from this to define its anatomical substrate which governs the biomechanics of speech production. The vocal tract is a double resonator tube coupled in series and composed of oral and pharyngeal cavities. Analysis is made of the crucial structural elements of this complex from detailed dissections in modern man and the study of modern and fossil hominid crania. The study focuses on relations of the skull base, jaw, hyoid bone and the contained tongue, pharynx and valvular devices, calling into question recent reconstructions built on classical Neanderthal skulls. 相似文献