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11.
Time is a fundamental dimension of consciousness. Many studies of the "sense of agency" have investigated whether we attribute actions to ourselves based on a conscious experience of intention occurring prior to action, or based on a reconstruction after the action itself has occurred. Here, we ask the same question about a lower level aspect of action experience, namely awareness of the detailed spatial form of a simple movement. Subjects reached for a target, which unpredictably jumped to the side on some trials. Participants (1) expressed their expectancy of a target shift during the upcoming movement, (2) pointed at the target as quickly and accurately as possible before returning to the start posiment to the target shift if required and (3) reproduced the spatial path of the movement they had just made, as accurately as possible, to give an indication of their awareness of the pointing movement. We analysed the spatial disparity between the initial and the reproduced movements on those with a target shift. A negative disparity value, or undershoot, suggests that motor awareness merely reflects a sluggish record of coordinated motor performance, while a positive value, or overshoot, suggests that participants' intention to point to the shifting target contributes more to their awareness of action than their actual pointing movement. Undershoot and overshoot thus measure the reconstructive (motoric) and the preconstuctive (intentional) aspects of action awareness, respectively. We found that trials on which subjects strongly expected a target shift showed greater overshoot and less undershoot than trials with lower expectancy. Conscious expectancy therefore strongly influences the experience of the detailed motor parameters of our actions. Further, a delay inserted either between the expectancy judgement and the pointing movement, or between the pointing movement and the reproduction of the movement, had no effect on visuomotor adjustment but strongly influenced action awareness. Delays during either interval boosted undershoots, suggesting increased reliance on a time-limited sensory memory for action. The experience of action is thus strongly influenced by prior thoughts and expectations, but only over a short time period. Thus, awareness of our actions is a dynamic and relatively flexible mixture of what we intend to do, and what our motor system actually does.  相似文献   
12.
ObjectiveThis study investigated girls' endorsement of the stereotype that girls are not good soccer performers through three questions: (1) did stereotype endorsement predict soccer performance? (2) Was this relationship mediated by perceived ability? (3) Was stereotype endorsement related to gender role orientation?MethodOne hundred and two junior high school girls from the 6th to the 9th grade (M age = 13.5 years, SD = 1.23) reported their beliefs about girls' and boys' performance in soccer, perceived ability and gender role orientation. Next, their soccer performance was observed during matches in compulsory physical education classes. A path-analytic model tested the relationships among the variables using a product-moment correlation matrix and a maximum likelihood estimation procedure.ResultsStereotype endorsement (i.e., the belief that girls' performance in soccer is poor) negatively predicted performance, this relationship being mediated by perceived ability. Moreover, masculinity positively predicted perceived ability, and this relationship was partially mediated by stereotype endorsement.ConclusionThis study reinforces the idea that girls' sports performance may be related to gender stereotypes. Interpretations of the results in light of Eccles et al.’s expectancy-value model and stereotype threat theory are discussed, along with implications for practice.  相似文献   
13.
We examined the impact of inducing performance-avoidance and approach goals (versus no goal) on women??s math performance in stereotype threatening versus nonthreatening situations. Two experiments showed that inducing either stereotype threat (versus no-threat) or a performance-avoidance goal (versus no goal) alone led to decreased math performance. However, inducing both stereotype threat and a performance-avoidance goal increased women??s performance and challenge appraisals. These findings are consistent with the theory of regulatory fit. Performance and challenge appraisals increased when there was a fit between the motivation associated with stereotype threat (avoid failure) and the induced goal (avoid performing worse than others). Implications for stereotype threat, achievement goals and regulatory focus theories are discussed.  相似文献   
14.

This study investigated the contribution of the reflected appraisal process to the ontogeny of children's self-perceptions of physical competence. Emanating from symbolic interactionist thought, reflected appraisals refer to individuals' perceptions of others' evaluations of their abilities. The influence of parents' appraisals of their child's competence on the child's self-appraisals was hypothesized to be mediated by parents' reflected appraisals. Data were collected from a sample of 147 sixth graders and their parents in three waves over one school year. Structural equation modeling revealed that 1) parents' appraisals at Wave 1 influenced children's reflected appraisals of parents at Wave 2; 2) reflected appraisals at Wave 2 influenced children's self-appraisals at Wave 3, controlling for both the child's actual level in sport (as assessed by the child's grade in physical education) and the child's self-appraisals at Wave 1; and 3) the influence of parents' appraisals on their child's self-appraisals was nonsignificant when reflected appraisals were controlled for. This study supported the mediational role of the reflected appraisal process. The findings from this study provide a unique contribution to the sport socialization knowledge base by highlighting the role of the reflected appraisal process in the formation of children's self-appraisals of ability.  相似文献   
15.
In 3 experiments, the authors studied the organization of spatiotemporal information in memory. Stimuli consisted of configurations of dots, presented sequentially. The stimuli were either proportional, with interdot distances corresponding to interdot durations, or not proportional, with interdol distances not corresponding to interdot durations. After a learning phase, participants reproduced the spatial (Experiment 1), temporal (Experiment 2), or spatial and temporal (Experiment 3) characteristics of the target 60 times in succession. In the nonproportional conditions, effects of variable interdot durations or distances on the reproduction of, respectively, constant distances (tau effect) or durations (kappa effect) were observed, whereas no such effects were observed when variable distances or durations were to be produced. Tau and kappa effects influenced the accuracy but not the variability of responses. The results are discussed in light of the distinction between properties of the stabilized mental image and the process of stabilization.  相似文献   
16.
Time plays a central role in consciousness, at different levels and in different aspects of information processing. Subliminal perception experiments demonstrate that stimuli presented too briefly to enter conscious awareness are nevertheless processed to some extent. Implicit learning, implicit memory, and conditioning studies suggest that the extent to which memory traces are available for verbal report and for cognitive control is likewise dependent on the time available for processing during acquisition. Differences in the time available for processing also determine not only the extent to which one becomes conscious of action, but also provides the basis for making attributions of authorship to experienced acts. In this paper, we offer a brief overview of these different findings and suggest that they can all be understood based on the fact that consciousness takes time. From this perspective, the availability of representations to conscious awareness depends on the quality of these representations - the extent to which they are strong, stable in time, and distinctive. High-quality representations occur when processes of global competition have had sufficient time to operate so as to make the system settle into the best possible interpretation of the input. Such processes implement global constraint satisfaction and critically depend on reentrant processing, through which representations can be further enriched by high-level constraints. We discuss these ideas in light of current theories of consciousness, emphasizing the fact that consciousness should be viewed as a process rather than as a static property associated with some states and not with others.  相似文献   
17.
ObjectivesThe Internal/External Frame of Reference Model (I/E model; e.g., Marsh, 1986) posits that verbal achievement (Ach) produces a lower mathematics self-concept (SC) and that, conversely, mathematics Ach fosters a lower verbal SC after controlling for prior Ach in each domain. The present study extended this model by adding another school subject that has not been previously investigated, namely physical education (PE). The central goal was to verify whether Ach in PE positively or negatively predicts academic SC in the mathematics and verbal domains.DesignProspective study over one school year.MethodsParticipants were 451 French high school students (mean age = 13.5). Ach scores in mathematics, French and PE were gathered at the beginning of the school year. At the end of this one, students completed a questionnaire to assess their SC in the three school subjects. Results: Structural Equation Modelling results revealed, according to the I/E model, negative paths between mathematics Ach and verbal SC, and between verbal Ach and mathematics SC. Results also revealed singular relationship patterns between the two traditional school subjects and PE. A positive path between PE Ach and mathematics SC was observed whereas the path with the verbal SC was non-significant.ConclusionPE could have benefits to increase SC in other school subject such as mathematics. Broader implications of results for the I/E model are discussed.  相似文献   
18.
This study intends (1) to investigate the predictive validity of clinical (integrative) judgement based on personality data collected in psychological assessment and (2) to verify the capacity of assessors to formalize their judgment in a standardised algorithm. Three psychologists had the task to predict results of 78 managers on multisource assessment measuring two performance criteria (results orientation and relationship building). Results show that the psychologists’ integrative judgement predicts one of performance criteria up to .39. However, it appears that the standardisation of their judgment in mechanic decision rules was less predictive of performance criteria than their global clinical judgement. Overall, this research suggests there is still much to understand in the interpretative process.  相似文献   
19.
Like other fundamental needs, recent studies have shown that the need for autonomy elicits goal-oriented behaviors that aim to its restoration when it is thwarted. However, no research has yet examined the factors that moderate the restoration process. In the present studies, we investigated the moderating role of perceived competence in the restoration of autonomy. We monitored autonomy restoration behaviors by assessing the extent to which participants turn away from a controlling function in a computerized puzzle task. Across the two studies, the results suggested that, in comparison with baseline participants, autonomy-deprived participants acted to regain their autonomy but only when their level of perceived competence in the task was high. When perceived competence was low, participants disengaged from autonomy restoration, seemingly to favor competence. These findings are discussed using self-determination theory and models of stress and coping.  相似文献   
20.
Two complementary studies were conducted to explain the dropout phenomenon with French female handball players, utilizing the tenets of social exchange theory (Thibaut & Kelley, 1959; Rusbult, 1980). In the first study, the aim was to more fully explore the sources of enjoyment by emphasizing the key variables in the costs/benefits analysis. We postulate that the costs/benefits analysis consists in each athlete estimating the probability of reaching the most desired consequences for him or her (e.g., learn and improve skill, affiliation with others, be better than the others). The subjects were 488 French women aged from 15–19 years. Structural equation modeling (SEM) revealed that enjoyment in handball was predicted by a latent variable (named perceived benefits) subjacent to perceptions of competence, autonomy, relatedness, progress, coach's support, and time of play. In the second study, we tested a sport commitment model based on the social exchange postulates, using SEM analyses and a prospective design over 8 months. In view of the results of study 1, we replaced the construct of enjoyment with perceived benefit. This analysis provides a more comprehensive understanding of the enjoyment construct and is more consistent with the notion of cost and benefits outlined in social exchange theory. Participants were 253 French handball players between the ages of 14 and 16 years. A first set of analyses, focused on the differences, showed that dropout players perceived themselves as significantly less competent, less autonomous, less related to their team, lower in progress and less supported by their coach than persistent players. The second set of analyses with SEM revealed that the commitment level was positively associated with perceived benefits and negatively with social constraints and alternatives opportunities. Finally, a lack of commitment led to dropping out of the sport 8‐months later.  相似文献   
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