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221.
Klaus Moser Heinz Schuler Uwe Funke 《International Journal of Selection & Assessment》1999,7(3):133-141
Previous research has suggested that the quality of judgmental validation criteria may improve depending on the increase of opportunity for the rater to observe ratees’ job performances. This study investigated whether the validity of an assessment centre increases with opportunity to observe. Subjects were engineers and applied scientists from the Research and Development (R&D) units of seven German high-technology companies. A total of 6 personality scales, 10 cognitive ability tests and 9 work samples was administered to 155 subjects. Performance appraisals were collected from their supervisors. Assessors were trained organizational psychologists who were not members of the participating organizations. A total score (‘assessment centre score’) was computed by averaging the 25 predictors after standardization of each predictor. The (uncorrected) validity of this assessment centre was r = 0.37. In addition, opportunity to observe (i.e. amount of time the performance rater was the ratee’s supervisor) emerged as a moderator: for example validities were r = 0.09 (opportunity to observe ≤ 2 years) and r = 0.50 (opportunity to observe> 2 years). 相似文献
222.
Dissonance theory and incentive theory call for different predictions concerning the relation of reward and attitude change after a person has performed some counter-attitudinal behavior. According to dissonance theory a negative, and according to incentive theory a positive relationship is expected. An experiment was conducted in West Germany testing the interactions of choice versus no choice and public versus anonymus (private) essay-writing. A dissonance effect was predicted for the choice/public condition and an incentive effect for the no choice/anonymus condition. The results support these predictions. 相似文献
223.
224.
Summary The goal-setting approach to task motivation is applied to examine the way in which subjects control their performance on two concurrently performed tasks under the guidance of different goals in a dual-task situation. The tasks were a simple auditory-manual reaction time (RT) task and a visual-manual pursuit-tracking task. The goal conditions assigned alternatively to the tasks differed with respect to goal specificity and feedback information (KR) given after the trials. It is shown that the improvement of performance in the task with hard, specific goals is achieved in both cases at the cost of the concurrently performed other task which, on the basis of a lack of feedback and a rather unspecific goal instruction, should have a lower priority. The data reveal some strategies hidden behind these overall changes of the average performance at both tasks. For the RT task, the adjustment to the different goals is mainly achieved by changes in the temporal control or preparatory processes as can be inferred from the RT distributions as well as from the analysis of some typical errors. For the tracking task, changes in the tracking accuracy within the overlapping RT intervals are the best indicators for the performance control under the different goal conditions.This research was supported by a grant from the Deutsche Forschungsgemeinschaft (Kl 408/4-2) 相似文献
225.
Subjects wrote an essay either supporting their own position on an issue or irrelevant to that issue. Subsequently, they received a communication that either supported or opposed their position, and that either claimed to present the only reasonable position or acknowledged the viability of alternative positions. Then, they reported their own beliefs in the position being advocated, and finally were given an opportunity to obtain subsequent information that either supported or opposed this position. Attitude change in the direction of a proattitudinal communication occurred only when both (a) this communication asserted that only the position advocated was defensible and (b) subjects had previously written a proattitudinal essay themselves. Moreover, either of these factors was sufficient to prevent attitude change in the direction of a counterattitudinal communication. Data supported predictions based upon a joint consideration of commitment and reactance effects. Subjects' subsequent preference for supporting over opposing information was greater when they had written a supporting essay than when they had not, greater when they had read an opposing communication than when they had read a supporting one, and greater when the communication they read was presented as stating the only reasonable position, no matter which position it advocated. 相似文献
226.
R J Sears J S Baker P W Frey 《Journal of experimental psychology. Animal behavior processes》1979,5(1):43-64
A series of experiments were conducted to determine what factors control responding to the first element of a two-element serial compound in rabbit eyelid conditioning. An examination of response topography indicated that the eye-blink CR is rigidly timed to occur when the US is expected. This response-system characteristic prevents the occurrence of a CR during the first element of a serial compound or during the second-order CS in second-order conditioning. The comparison of a serial gap procedure with conventional serial and trace conditioning procedures suggested that the associative strength of the first element of a serial CS is not strongly influenced by either a second-order conditioning process or by the variable-reinforcement principle. 相似文献
227.
Allan H. Frey 《Behavior research methods》1979,11(6):567-567
In past critical fusion frequency (CFF) experiments, one of two methods for generating the flashing light has typically been used: a strobe light or a motor-driven sectored disk that chops the light from a lamp. Both of these methods generate noise that can cue a subject. A solid state apparatus has been designed to avoid this and other deficiencies of currently used methods. In use, the apparatus has been found to be simple, flexible, and reliable, and it does not give the subject acoustic cues to flicker rate. 相似文献
228.
There is a tendency in decision‐making research to treat uncertainty only as a problem to be overcome. But it is also a feature that can be leveraged, particularly in social interaction. Comparing the behavior of profitable and unprofitable poker players, we reveal a strategic use of information processing that keeps decision makers unpredictable. To win at poker, a player must exploit public signals from others. But using public inputs makes it easier for an observer to reconstruct that player's strategy and predict his or her behavior. How should players trade off between exploiting profitable opportunities and remaining unexploitable themselves? Using a recent multivariate approach to information theoretic data analysis and 1.75 million hands of online two‐player No‐Limit Texas Hold'em, we find that the important difference between winning and losing players is not in the amount of information they process, but how they process it. In particular, winning players are better at integrative information processing—creating new information from the interaction between their cards and their opponents’ signals. We argue that integrative information processing does not just produce better decisions, it makes decision‐making harder for others to reverse engineer, as an expert poker player's cards act like the private key in public‐key cryptography. Poker players encrypt their reasoning with the way they process information. The encryption function of integrative information processing makes it possible for players to exploit others while remaining unexploitable. By recognizing the act of information processing as a strategic behavior in its own right, we offer a detailed account of how experts use endemic uncertainty to conceal their intentions in high‐stakes competitive environments, and we highlight new opportunities between cognitive science, information theory, and game theory. 相似文献
229.
Empirical evidence on selective exposure to information after decisions is contradictory: Whereas many studies have found a preference for information that is consistent with one's prior decision, some have found a preference for inconsistent information. The authors propose that different available information quantities moderate these contradictory findings. Four studies confirmed this expectation. When confronted with 10 pieces of information, decision makers systematically preferred decision-consistent information, whereas when confronted with only 2 pieces of information, they strongly preferred decision-inconsistent information (Study 1). This effect was not due to differences in processing complexity (Study 2) or dissonance processes (Study 3) but could be traced back to different salient selection criteria: When confronted with 2 pieces of information, the salient selection criterion was information direction (consistent vs. inconsistent), which caused a preference for inconsistent information. In contrast, when confronted with more than 2 pieces of information, the salient selection criterion was expected information quality, which caused a preference for consistent information (Study 4). 相似文献
230.
Self-regulation and selective exposure: the impact of depleted self-regulation resources on confirmatory information processing 总被引:1,自引:0,他引:1
In the present research, the authors investigated the impact of self-regulation resources on confirmatory information processing, that is, the tendency of individuals to systematically prefer standpoint-consistent information to standpoint-inconsistent information in information evaluation and search. In 4 studies with political and economic decision-making scenarios, it was consistently found that individuals with depleted self-regulation resources exhibited a stronger tendency for confirmatory information processing than did individuals with nondepleted self-regulation resources. Alternative explanations based on processes of ego threat, cognitive load, and mood were ruled out. Mediational analyses suggested that individuals with depleted self-regulation resources experienced increased levels of commitment to their own standpoint, which resulted in increased confirmatory information processing. In sum, the impact of ego depletion on confirmatory information search seems to be more motivational than cognitive in nature. 相似文献