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161.
Theoretically, the processes involved in approach motivation and action control should overlap. In both cases, a person must commit to a goal, identify a goal target, and seek to reduce discrepancies between the self and this goal target on a somewhat continuous basis. These ideas motivated three studies (total N = 253) in which personality differences in the behavioral approach system (BAS) and the behavioral inhibition system (BIS) were assessed as potential predictors of performance in an objective motor control task. People high in BAS Reward had markedly better motor control (i.e., smaller distances from targets) than people low in BAS Reward. This was true across a variety of affective priming conditions. The other components of BAS and BIS, by contrast, were inconsistent predictors. The results support both reward-based and functional perspectives of the BAS in the context of a cybernetic view of how self-regulation by approach operates. 相似文献
162.
Habitual self‐control is defined as a trait‐like personal resource factor that facilitates the enactment of difficult intentions. A 14‐item Habitual Self‐Control Questionnaire (HSCQ) was developed to assess this trait. Reliability, factorial validity, and criterion validity were assessed in five undergraduate student subsamples with an overall N of 2224. Internal consistency was .81 across the entire sample, and test–retest reliability was .83 over a one‐month interval. The HSCQ showed a theoretically meaningful pattern in terms of convergent and discriminant validity and criterion validity in predicting a variety of health behaviours that relate to self‐control, including exercise, dieting behaviour, binge eating and weight loss success. Further, the HSCQ contributed uniquely to the prediction of health behaviours beyond alternative self‐control scales. In a longitudinal part of the study, the HSCQ added to the prediction of action plan completion and satisfaction beyond motivation and moderated the relationship between motivation and enactment of action plans as theoretically expected. In sum, the results provided strong evidence for the reliability and validity of the HSCQ and highlighted some theoretically meaningful differences to already existing measures of self‐control. Theoretical implications are discussed. Copyright © 2012 John Wiley & Sons, Ltd. 相似文献
163.
Geneviève Jourdain Michel Vézina 《European Journal of Work and Organizational Psychology》2013,22(4):483-496
The aim of this study is to examine the influence of the sources of psychological stress at work assumed by the Demand–Control–Support (DCS) model on presenteeism propensity. Research propositions are derived from the dynamic version of the Demand–Control model, to which we added the dimension of social support, which is part of the DCS model. Data were obtained from a large representative sample consisting of 1609 public and private sector workers living in the Canadian province of Québec, who responded to a questionnaire, administered using computer-assisted interviewing over a 3-month period in 2007–2008. The results indicate that the combination of low decision authority and high supervisor's support attenuates the positive relationship between job demands and presenteeism propensity within a 10-year time frame of exposure to a new job. 相似文献
164.
Human motor control has constraints in terms of its responsiveness, which limit its ability to successfully perform tasks. In a previous study, it was shown that the ability to balance an upright stick became progressively more challenging as the natural frequency (angular velocity without control) of the stick increased. Furthermore, forearm and trunk agonist and antagonist muscle activation increased as the natural frequency of the stick increased, providing evidence that the central nervous system produces agonist-antagonist muscle activation to match task dynamics. In the present study, visual feedback of the stick position was influenced by changing where subject focused on the stick during stick balancing. It was hypothesized that a lower focal height would degrade motor control (more uncertainty in tracking stick position), thus making balancing more challenging. The probability of successfully balancing the stick at four different focal heights was determined along with the average angular velocity of the stick. Electromyographic signals from forearm and trunk muscles were also recorded. As expected, the probability of successfully balancing the stick decreased and the average angular velocity of the stick increased as subjects focused lower on the stick. In addition, changes in the level of agonist and antagonist muscle activation in the forearm and trunk was linearly related to changes in the angular velocity of the stick during balancing. One possible explanation for this is that the central nervous system increases muscle activation to account for less precise motor control, possibly to improve the responsiveness of human motor control. 相似文献
165.
认知控制是维持和调整多任务目标导向的加工策略,而基于多任务冲突的认知控制是一般领域上还是特定领域上,即一种冲突是否会影响另一种冲突的解决,已有研究并没有得到统一的结论。本研究运用事件相关电位(ERP)方法考察了同一任务中不同类型冲突(Stroop、Simon和Flanker冲突)驱动认知控制调节的脑机制。数据显示:各冲突都出现了一致性效应和冲突适应性效应;实验中每种冲突的上一个trial只与该类冲突的当前trial的交互效应显著,而与其他类型冲突的当前trial的交互效应不显著;几乎所有冲突都发现了P300、N450、SP成分一致性效应。结果表明:在不同类型冲突驱动条件下,人脑能够同时监控并解决不同类型的冲突;冲突驱动的认知控制系统以局部的控制方式工作;人脑是基于多冲突驱动的认知控制系统的灵活性和某类型冲突所特有的控制机制来解决冲突,且冲突解决机制是相互独立、互不干扰的。 相似文献
166.
We conceptualize personality and individual variation from the perspective of dynamical systems. People’s thoughts, feelings, and predispositions for action are inherently dynamic, displaying constant change due to internal mechanisms and external forces, but over time the flow of thought and action converges on a narrow range of states—a fixed-point attractor—that provides cognitive, affective, and behavioral stability. An attractor for personal dynamics develops through two mechanisms: the synchronization of individuals’ internal states in social interaction, and the self-organization of thoughts and feelings with respect to a higher-order property (e.g., goal, self-concept). We present formal models of both processes and instantiate each in computer simulations. Discussion centers on the implications of interpersonal synchronization and self-organization dynamics for issues in personality psychology, including shared vs. non-shared environmental influences on personality development, the expression of personality in social interaction, personal stability vs. change, personal vs. situational causation, and the emergence of self-concept. 相似文献
167.
Implicit motivation to control prejudice 总被引:1,自引:0,他引:1
This research examines whether spontaneous, unintentional discriminatory behavior can be moderated by an implicit (nonconscious) motivation to control prejudice. We operationalize implicit motivation to control prejudice (IMCP) in terms of an implicit negative attitude toward prejudice (NAP) and an implicit belief that oneself is prejudiced (BOP). In the present experiment, an implicit stereotypic association of Blacks (vs. Whites) with weapons was positively correlated with the tendency to “shoot” armed Black men faster than armed White men (the “Shooter Bias”) in a computer simulation. However, participants relatively high in implicit negative attitude toward prejudice showed no relation between the race-weapons stereotype and the shooter bias. Implicit belief that oneself is prejudiced had no direct effect on this relation, but the interaction of NAP and BOP did. Participants who had a strong association between self and prejudice (high BOP) but a weak association between prejudice and bad (low NAP) showed the strongest relation between the implicit race-weapons stereotype and the Shooter Bias, suggesting that these individuals freely employed their stereotypes in their behavior. 相似文献
168.
George Sher 《Philosophia》2008,36(2):223-226
In his response to my essay “Out of Control,” Neil Levy contests my claims that (1) we are often responsible for acts that
we do not consciously choose to perform, and that (2) despite the absence of conscious choice, there remains a relevant sense
in which these actions are within our control. In this reply to Levy, I concede that claim (2) is linguistically awkward but
defend the thought that it expresses, and I clarify my defense of claim (1) by distinguishing my position from attributionism.
相似文献
George SherEmail: |
169.
Joseph-Matthew Mfutso-Bengo Eva-Maria Mfutso-Bengo Francis Masiye 《Theoretical medicine and bioethics》2008,29(5):349-356
HIV/AIDS prevention campaigns have been overshadowed by conflicting, competing, and contradictory views between those who
support condom use as a last resort and those who are against it for fear of promoting sexual immorality. We argue that abstinence
and faithfulness to one partner are the best available moral solutions to the HIV/AIDS pandemic. Of course, deontologists
may argue that condom use might appear useful and effective in controlling HIV/AIDS; however, not everything that is useful
is always good. In principle, all schools of thought and faith seem to agree on the question of faithfulness for married couples
and abstinence for those who are not married. But they differ on condom use. On the ground, the situation is far more complex.
We simply lack a single, entirely reliable way to resolve all disagreements regarding HIV/AIDS prevention strategies.
相似文献
Joseph-Matthew Mfutso-BengoEmail: |
170.
The human ability to focus memory retrieval operations on a particular list, episode or memory structure has not been fully appreciated or documented. In Experiment 1-3, we make it increasingly difficult for participants to switch between a less recent list (multiple study opportunities), and a more recent list (single study opportunity). Task performance was good, although there was a cost associated with switching. In Experiment 4, list-specific learning experiences were used to create a generalized memory as a step towards semantic memory. List-specific memories intruded during attempts to retrieve the generalized memory and the generalized memory enhanced list-specific performance. The generalized memory also intruded in a free-association task. We propose that a hierarchy of contexts and control operations underlie the human ability to access different memory structures and that there is no sharp discontinuity in the control operations needed to access list-specific, generalized, and semantic memories. 相似文献