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Del Villar F García González L Iglesias D Perla Moreno M Cervelló EM 《Perceptual and motor skills》2007,104(2):355-365
This study deals with decision and execution behavior of tennis players during competition. The study is based on the expert-novice paradigm and aims to identify differences between both groups in the decision-making and execution variables in serve and shot actions in tennis. Six expert players (elite Spanish tennis players) and six novice players (grade school tennis players) took part in this study. To carry out this study, the observation protocol defined by McPherson and Thomas in 1989, in which control, decision-making and execution variables were included, was used, where it was applied to the performance of the tennis player in a real match situation. In the analysis, significant differences between experts and novices in decision-making and execution variables are found wherein it can be observed that experts display a greater ability to make the appropriate decisions, selecting the most tactical responses to put pressure on the opponent. Expert tennis players were also able to carry out forceful executions to their opponent with greater efficiency, making the opponent's response to a large extent more difficult. These findings are in accordance with those of McPherson and colleagues. 相似文献
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In three experiments, participants were faced with a social dilemma in which they could benefit themselves, the group, or other group members as individuals. The results showed that participants who felt high empathy toward a certain individual allocated more resources to the target of empathy, but without reducing the collective good. Then, we adapted the measure of empathy developed by Batson and colleagues (Batson, Ahmad, et al., 1999; Batson, Batson, et al., 1995) to the Spanish context. The results of Experiment 3 supported the existence of a new process: awareness of other individuals present in the social dilemma. It is proposed that this process is independent of those typically studied in research of this field: self-interest, group identification, and the empathy for a specific individual. 相似文献
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Luis Aguado Ana García-Gutierrez Ignacio Serrano-Pedraza 《Attention, perception & psychophysics》2009,71(1):9-25
Classification of faces as to their sex or their expression—with sex and expression varying orthogonally—was studied in three experiments. In Experiment 1, expression classification was influenced by sex, with angry male faces being classified faster than angry female faces. Complementarily, sex classification was faster for happy than for angry female faces. In Experiment 2, mutual interaction of sex and expression was also found when the participants were asked to classify top and bottom face segments. In Experiment 3, a face inversion effect was found for both sex and expression classification of whole faces. However, a symmetrical interaction between sex and expression was again found. The results are discussed in terms of configural versus feature processing in the perception of face sex and expression and of their relevance to face perception models that postulate independent processing of different facial features. 2009 The Psychonomic Society, Inc. 相似文献
137.
The present commentary addresses the main results obtained in the Butler and Klein [Butler, B. C., & Klein, R. (2009). Inattentional blindness for ignored words: Comparison of explicit and implicit memory tasks. Consciousness and Cognition, 18, 811–819.] study and discusses them in relation to the Perceptual Load Theory of Lavie [Lavie, N. (1995). Perceptual load as a necessary condition for selective attention. Journal of Experimental Psychology: Human Perception and Performance, 21, 451–68.]. The authors claim that the use of implicit indexes of conceptual distractor processing in high-load situations would be an important addition to the load literature, which would benefit the research field regardless of their positive or negative findings. 相似文献
138.
Milena Paneque Carolina Lemos Alda Sousa Luis Velázquez Manuela Fleming Jorge Sequeiros 《Journal of genetic counseling》2009,18(5):483-493
To identify possible factors affecting the psychological impact of pre-symptomatic testing for spinocerebellar ataxia type
2 (SCA2) and familial amyloid polyneuropathy (FAP ATTRV30M), we studied (1) the effect of previous experience with the disease
in the family, (2) kinship with the closest affected relative and (3) gender of affected parent, when adapting to test results;
as well as (4) differences in the course of psychological wellbeing in 63 subjects ( 28 at-risk for FAP ATTRV30M, and 35 at
risk for SCA2), who pursued predictive testing for these diseases, in Cuba and in Portugal. Our research shows that individuals
with little or no experience with the disease in their family exhibited more anxiety; at-risk subjects for SCA2 or FAP ATTRV30M
who had a first degree relative with the disease showed lower levels of anxiety and depression during pre-symptomatic testing.
Also those with an affected mother had lower levels of depression, either immediately, or one year after receipt of test results.
Adaptation to pre-symptomatic testing results differed for subjects at-risk for the two different conditions. Unlike the FAP
ATTRV30M families, carriers for SCA2 reported pathological levels of depression immediately after-testing (3 weeks), although
those levels had returned to normal levels at 6 months. Subjects at-risk for FAP ATTRV30M tended to have less anxiety than
those tested for SCA2, at the one-year follow-up. Overall, depression levels improved over time, while anxiety remained more
constant. A longer awareness of the disease in the family, closer kinship, and a transmitting mother all lessened the impact
of pre-symptomatic testing, as expressed by the post-test levels of anxiety and depression. 相似文献
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Irwin N. Sandler Stephen G. West Louise Baca David R. Pillow Joanne C. Gersten Fred Rogosch Lynn Virdin Janette Beals Kim D. Reynolds Carl Kallgren Jenn-Yun Tein Gary Kriege Eloise Cole Rafael Ramirez 《American journal of community psychology》1992,20(4):491-521
Conclusion We have illustrated how our small theory (Lipsey, 1990) of bereavement guided the development and evaluation of a preventive intervention for bereaved children. Our small theory, based on prior empirical research, enabled us to identify family processes that appeared to mediate the effects of parental death on child mental health. Our intervention was designed to attempt to change these processes. The evaluation of our experimental trial of the intervention assessed changes on these processes as well as the more distal mental health outcomes. The experimental trial showed some-what encouraging results, in terms of the program's ability to modify the warmth of the parent–child relationship and to decrease symptomatology in the adolescent children. We also obtained further empirical support for our underlying theoretical model. Finally, implications for redesign of the program were derived from assessing the adequacy of the program components to change each of the mediators in the theoretical model.Support for this research was provided by NIMH grant P5OMH39246 which is gratefully acknowledged. David R. Pillow is now at Western Psychiatric Institute, Pittsburgh; Fred Rogosch is at the University of Rochester; Janette Beals is now at University of Colorado Health Sciences Center; Kim D. Reynolds is now at the University of Alabama, Birmingham; Carl Kallgren is now at the Pennsylvania State University, at Erie; and Rafael Ramirez is now at the University of Puerto Rico. 相似文献