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51.
Self-regulation is a highly adaptive, distinctively human trait that enables people to override and alter their responses, including changing themselves so as to live up to social and other standards. Recent evidence indicates that self-regulation often consumes a limited resource, akin to energy or strength, thereby creating a temporary state of ego depletion. This article summarizes recent evidence indicating that regular exercises in self-regulation can produce broad improvements in self-regulation (like strengthening a muscle), making people less vulnerable to ego depletion. Furthermore, it shows that ego depletion moderates the effects of many traits on behavior, particularly such that wide differences in socially disapproved motivations produce greater differences in behavior when ego depletion weakens the customary inner restraints.  相似文献   
52.
This mixed-model study examined the relationship between urban adolescents' perceived support for challenging racism, sexism, and social injustice from peers, family, and community members and their critical consciousness development. These relationships were examined by relating participants' qualitative perceptions of support for challenging racism, sexism, and social injustice to quantitative data obtained from Likert-type measures of the reflection and action components of critical consciousness. Perceived support for challenging racism, sexism, and social injustice had a significant impact upon the reflection component of critical consciousness; the significance criterion was supported by effect size estimates. Support for challenging racism, sexism, and social injustice was not significantly related to the action component of critical consciousness. Participants perceived the most support for challenging racism, moderate support for challenging social injustice, and the least support for challenging sexism. Additionally, female participants perceived more support for challenging sexism than male participants. These results suggest that the informal interactions of urban adolescents play a role in shaping their critical consciousness, and hold implications for psychosocial interventions and research with marginalized populations.  相似文献   
53.
Lee MD  Dry MJ 《Cognitive Science》2006,30(6):1081-1095
We study human decision making in a simple forced-choice task that manipulates the frequency and accuracy of available information. Empirically, we find that people make decisions consistent with the advice provided, but that their subjective confidence in their decisions shows 2 interesting properties. First, people's confidence does not depend solely on the accuracy of the advice. Rather, confidence seems to be influenced by both the frequency and accuracy of the advice. Second, people are less confident in their guessed decisions when they have to make relatively more of them. Theoretically, we develop and evaluate a type of sequential sampling process model—known as a self-regulating accumulator—that accounts for both decision making and confidence. The model captures the regularities in people's behavior with interpretable parameter values, and we show its ability to fit the data is not due to excessive model complexity. Using the model, we draw conclusions about some properties of human reasoning under uncertainty.  相似文献   
54.
Pigeons were trained on a multiple schedule in which separate concurrent schedules were presented in the two components of the schedule. During one component, concurrent variable-interval 40-sec variable-interval 80-sec schedules operated. In the second component, concurrent variable-interval 40-sec variable-interval 20-sec schedules operated. After stable baseline performance was obtained in both components, extinction probe choice tests were presented to assess preference between the variable-interval 40-sec schedules from the two components. The variable-interval 40-sec schedule paired with the variable-interval 80-sec schedule was preferred over the variable-interval 40-sec schedule paired with the variable-interval 20-sec schedule. The subjects were also exposed to several resistance-to-change manipulations: (1) prefeeding prior to the experimental session, (2) a free-food schedule added to timeout periods separating components, and (3) extinction. The results indicated that preference and resistance to change do not necessarily covary.  相似文献   
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56.
Two studies investigated the relationships between personality traits and aspects of job satisfaction. In Study 1, job applicants (n=250) completed the Eysenck Personality Profiler and the Work Values Questionnaire (WVQ), which requires respondents to rate various work-related facets according to the extent to which they contribute to their job satisfaction. These facets were combined into two composites (hygiene and motivator) based on previous research. The three personality superfactors accounted for a small percentage of the variance in importance ratings (about 5%). In Study 2, employees (n=82) completed a measure of the ‘Big Five’ personality traits and the Job Satisfaction Questionnaire (JSQ), which assesses both what respondents consider as important in their work environment as well as their satisfaction with their current job. Importance ratings were again combined into two composites while job satisfaction ratings were factor analyzed and three factors, differentiated along hygiene versus motivator lines, emerged. Personality traits again accounted for a small percentage of the total variance both in importance ratings and in levels of job satisfaction. It is concluded that personality does not have a strong or consistent influence either on what individuals perceive as important in their work environment or on their levels of job satisfaction.  相似文献   
57.
Although prereferral intervention teams (PIT) are common in public schools, there is little and conflicting research to support them. The current article conducted an empirical meta-analysis of research on PITs by reviewing 72 articles. Nine of the articles matched the inclusion criteria for the study and 57 effect size (ES) coefficients were computed, which resulted in a mean ES of 1.10. The studies were further broken down by category of dependent variable (DV), and resulted in a mean ES of 1.15 for student outcomes and 0.90 for systemic outcomes. PITs that were implemented by university faculty resulted in a mean ES of 1.32, but field-based PITs resulted in a mean ES of only .54. Studies that used random assignment resulted in higher ES coefficients than those that used nonrandom assignment. Implications for research and cautious suggestions for practice are discussed.  相似文献   
58.
This exploratory study examined the identity constructions of African American men using a qualitative research methodology. Seven African American men, ranging in age from 20 to 47 years and whose education levels ranged from a 1st-year university student to a PhD, were interviewed for this study. Central to how all of these men defined themselves was the breadwinner or provider role. Participants emphasized education as "insurance" against discrimination and an awareness of educational and occupational opportunities. For these participants, education was a means of ensuring opportunity, which afforded fulfillment of the provider role. This study supports the work of N. Cazenave (1979, 1981), who demonstrated the salience of the provider role among African American men. The implications of the provider role among African American men for research are also discussed. The data also suggested diversity within the African American male experience. As 1 participant described African American men. "We come like flowers, you know. Some in bouquets, and some wild." By providing constructions of identity that diverge from existing negative stereotypes of African American men, this study attempted to deconstruct those stereotypes. Finally, this study provided a voice to an underrepresented group in the research literature.  相似文献   
59.
A test visual stimulus is harder to recognize when another stimulus is presented in close temporal vicinity; presenting stimuli in close spatial vicinity of a test stimulus reduces its visibility; presenting a stimulus to one eye can render invisible another stimulus presented to the other eye; and perceiving one interpretation of an ambiguous image prevents the simultaneous perception of other visual interpretations. A single, neurophysiological theory, which may be called 'neural competition' might explain all these phenomena: when two alternative neural visual representations co-exist in the brain, they compete against each other.  相似文献   
60.
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