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151.
Decreased variability of both response outcome and movement kinematics is generally thought to be a characteristic of skilled performance. This note reports an apparently paradoxical case in which expertise is associated with greater variability of an aspect of movement kinematics. The relative variability of backswing and downswing duration (standard deviation as a percent of movement time) was assessed for experienced and novice field hockey players performing a drive of an approaching ball. The experienced group exhibited higher relative variability of backswing duration than the novice group. It is argued that this variability is functional (in the sense that greater backswing duration variability is associated with superior task performance) and may result from the joint effects of players visually controlling movement during its execution (Bootsma 1988) and the experienced subjects' earlier pick-up of relevant information for visual control (cf. Abernethy and Russell 1987). 相似文献
152.
Kelly Gurley Lambert Tara Neal Jill Noyes Conway Parker Pamela Worrel 《Current Psychology》1991,10(4):297-303
In the present study, the effect of food-related cues on the desire to eat chocolate in hungry and satiated subjects was investigated.
Subjects (n=46) were randomly assigned to either a hungry or satiated group and then assigned to a group receiving one of the following
stimuli: taste (2 M&Ms), sight (a photograph of M&Ms), cognition (a passage describin M&Ms), or control (no stimulus). In
each testing session, subjects rated their desire to eat chocolate before and after the 90-s presentation of the particular
stimulus. Each subject was then given a half pound of M&Ms so that actual consumption could also be measured. Results indicated
that, following the presentation of the sight and taste stimuli, the subjects’ desire to eat chocolate was significantly increased.
Furthermore, no differences in chocolate consumption due to state of hunger or type of food-related stimulus presented were
found. 相似文献
153.
154.
Neal Milner 《Journal of Contemporary Religion》2000,15(2):247-272
In recent years the Church of England has renewed its interest in carrying out exorcism. The spiritual renewal manifested by the growth in the Charismatic movement, a growth based very much on healing and exorcism, is attractive to the Church, as is the idea that healing activities based on the practices of the Apostolic church will enhance the Church of England's spiritual presence. This renewal, however, carries many risks, because exorcism can be seen as superstitious behavior based on archaic beliefs contrary to modern science. Confronting Satan has physical risks for both the victim and the helper. There is a potential for wild, unrestrained, erotic, bizarre activities that can get the Church into trouble with the law and with the broader society. In its attempt to respond to these risks and opportunities, the Church has adopted practices that medicalize, bureaucratize, normalize, and restrain the process of dealing with the devil. These policies stress the compatibility between medical practices and exorcism. 相似文献
155.
Michel Schmitt Albert Postma Edward De Haan 《The Quarterly Journal of Experimental Psychology Section A: Human Experimental Psychology》2000,53(1):105-130
Six experiments were carried out to investigate the issue of cross-modality between exogenous auditory and visual spatial attention employing Posner's cueing paradigm in detection, localization, and discrimination tasks. Results indicated cueing in detection tasks with visual or auditory cues and visual targets but not with auditory targets (Experiment 1). In the localization tasks, cueing was found with both visual and auditory targets. Inhibition of return was apparent only in the within-modality conditions (Experiment 2). This suggests that it is important whether the attention system is activated directly (within a modality) or indirectly (between modalities). Increasing the cue validity from 50% to 80% influenced performance only in the localization task (Experiment 4). These findings are interpreted as being indicative for modality-specific but interacting attention mechanisms. The results of Experiments 5 and 6 (up/down discrimination tasks) also show cross-modal cueing but not with visual cues and auditory targets. Furthermore, there was no inhibition of return in any condition. This suggests that some cueing effects might be task dependent. 相似文献
156.
Research indicates that self-attribution of responsibility for various types of problems is affected by a number of variables, including number of bystanders, persuasive communications, and focus of attention. The present study was designed to test the hypothesis that attributions of responsibility are also influenced by cognitive appraisal of sufficiency of resources relative to the magnitude of the problem in question. When circumstances indicate that self is the most plausible locus of responsibility, attribution to self will occur only if the person also assesses his or her resources as being sufficient to fulfill the obligations implied upon locating responsibility for problem solution in self. The converse is also held to be true. Results confirmed this hypothesis. Implications of this theoretical approach for various theories that include attribution of responsibility to self as a critical factor are discussed. 相似文献
157.
158.
In selection research and practice, there have been many attempts to correct scores on noncognitive measures for applicants who may have faked their responses somehow. A related approach with more impact would be identifying and removing faking applicants from consideration for employment entirely, replacing them with high-scoring alternatives. The current study demonstrates that under typical conditions found in selection, even this latter approach has minimal impact on mean performance levels. Results indicate about .1 SD change in mean performance across a range of typical correlations between a faking measure and the criterion. Where trait scores were corrected only for suspected faking, and applicants not removed or replaced, the minimal impact the authors found on mean performance was reduced even further. By comparison, the impact of selection ratio and test validity is much larger across a range of realistic levels of selection ratios and validities. If selection researchers are interested only in maximizing predicted performance or validity, the use of faking measures to correct scores or remove applicants from further employment consideration will produce minimal effects. 相似文献
159.
Despite nationwide efforts to professionalize public-school teaching, little attention has been given to the matter of standards of professional conduct for teachers. The authors examined teachers' perceptions of the frequency and seriousness of different categories of teacher misconduct. They administered a 34-item questionnaire to 235 school professionals in northwestern South Carolina. For each item, respondents rated the extent to which they agreed or disagreed that the behavior occurred frequently and represented a serious violation of professional ethics. Factor analysis of the ratings of seriousness yielded 3 domains of ethical concerns: (a) student-teacher boundary violations, (b) carelessness in behavior, and (c) subjectivity in grading and instruction. Teachers rated boundary violations as the most serious but least common violations and carelessness in behavior as the most frequent but least serious violation. Problems of subjectivity in grading were rated as moderately frequent and moderately serious. The authors found no differences between male and female teachers or between elementary and secondary teachers in their ratings of the seriousness or frequency of any of the 3 groups of ethical concerns. The authors discuss implications for development of a national code of teacher conduct. 相似文献
160.
Roese NJ Pennington GL Coleman J Janicki M Li NP Kenrick DT 《Personality & social psychology bulletin》2006,32(6):770-780
Few sex differences in regret or counterfactual thinking are evident in past research. The authors discovered a sex difference in regret that is both domain-specific (i.e., unique to romantic relationships) and interpretable within a convergence of theories of evolution and regulatory focus. Three studies showed that within romantic relationships, men emphasize regrets of inaction over action (which correspond to promotion vs. prevention goals, respectively), whereas women report regrets of inaction and action with equivalent frequency. Sex differences were not evident in other interpersonal regrets (friendship, parental, sibling interactions) and were not moderated by relationship status. Although the sex difference was evident in regrets centering on both sexual and nonsexual relationship aspects, it was substantially larger for sexual regrets. These findings underscore the utility of applying an evolutionary perspective to better understand goal-regulating, cognitive processes. 相似文献