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141.
Dos SF Da Silva PA Ribeiro FS Dias AL Frigério MC Dellatolas G von Aster M 《The Spanish journal of psychology》2012,15(2):513-525
Numerical cognition is based on two components - number processing and calculation. Its development is influenced by biological, cognitive, educational, and cultural factors. The objectives of the present study were to: i) assess number processing and calculation in Brazilian children aged 7-12 years from public schools using the Zareki-R (Battery of neuropsychological tests for number processing and calculation in children, Revised; von Aster & Dellatolas, 2006) in order to obtain normative data for Portuguese speakers; ii) identify how environment, age, and gender influences the development of these mathematical skills; iii) investigate the construct validity of the Zareki-R by the contrast with the Arithmetic subtest of WISC-III. The sample included 172 children, both genders, divided in two groups: urban (N = 119) and rural (N = 53) assessed by the Zareki-R. Rural children presented lower scores in one aspect of number processing; children aged 7-8 years demonstrated an inferior global score than older; boys presented a superior performance in both number processing and calculation. Construct validity of Zareki-R was demonstrated by high to moderate correlations with Arithmetic subtest of WISC-III. The Zareki-R therefore is a suitable instrument to assess the development of mathematical skills, which is influenced by factors such as environment, age, and gender. 相似文献
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As humans, our ability to help others effectively is at least in part dependent upon our capacity to infer others’ goals in a variety of different contexts. Several species of nonhuman primate have demonstrated that they will also help others in some relatively simple situations, but it is not always clear whether this helping is based on an understanding of another agent’s goals. Although the results of a number of different studies support the hypothesis that chimpanzees represent others’ goals in various helping contexts and are sensitive to these goals when actually helping others, less work has addressed whether more distantly related species actively represent goals when helping. To explore the cognitive mechanisms underlying helping behaviors in species less closely related to humans, we tested whether a species of New World monkey—the brown capuchin (Cebus apella)—would provide an experimenter with a desired out-of-reach object more often than an alternative object when the experimenter attempted to obtain the former object only. We found that capuchins reliably helped by providing the experimenter’s goal object (Experiment 1) and that explanations based on the use of several less sophisticated strategies did not account for the overall pattern of data (Experiments 2–4). Results are thus consistent with the hypothesis that capuchins help others based on an understanding of their goals although more work is needed to address the possibility that capuchins may be responding to gestural and postural factors alone. 相似文献
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146.
Antúnez Beatriz Elena Arroyo dos Santos Cristiano V. Flores Carlos Javier 《The Psychological record》2022,72(4):633-645
The Psychological Record - The effect of stimuli dimension was assessed on the emergence of transitivity relations by the use of a go/no go procedure and the training of identity relations. Four... 相似文献
147.
Gabriela Gonçalves Cátia Sousa Joana Santos Tânia Silva Karen Korabik 《Sex roles》2018,78(3-4):194-207
Transformations in family and work life have led to profound changes in the articulation of both spheres. The massive entry of women into the labor market, the decline of a family model based on the male provider, increasing job demands, and persistent gender inequality are factors that can generate work-family conflict and lead to feelings of guilt. Work-family guilt is a topic still rarely studied, particularly in Portugal. Given the importance of understanding the complexity of the relationships underlying the work-family interface and the lack of instruments in Portuguese to assess the feeling of guilt as it pertains to the work-family interface, our goal was to adapt the Work-Family Guilt Scale (WFGS) to the Portuguese population. Our results confirmed the two-dimensional structure of the scale with good reliability and validity. The WFGS was invariant between genders, with no significant mean differences between men and women. Convergent validity with the variables of work-to-family and family-to-work conflict and discriminant validity between the two dimensions of the WFGS was demonstrated. Use of this scale will allow the identification of feelings of guilt, which pose risks to the physical, emotional and psychological well-being of workers. Guilt feelings should, like conflict, be considered as a psychosocial risk that must be mitigated through policies and practices aimed at promoting a balance between family and working life. 相似文献
148.
This study investigated the influence of wearing unstable shoe construction (WUS) on compensatory postural adjustments (CPA) associated with external perturbations. Thirty-two subjects stood on a force platform resisting an anterior-posterior horizontal force applied to a pelvic belt via a cable, which was suddenly released. They stood under two conditions: barefoot and WUS. The electromyographic (EMG) activity of gastrocnemius medialis, tibialis anterior, rectus femoris, biceps femoris, rectus abdominis, and erector spinae muscles and the center of pressure (CoP) displacement were acquired to study CPA. The EMG signal was used to assess individual muscle activity and latency, antagonist co-activation and reciprocal activation at joint and muscle group levels. Compared to barefoot, WUS led to: (1) increased gastrocnemius medialis activity, (2) increased total agonist activity, (3) decreased antagonist co-activation at the ankle joint and muscle group levels, (4) increased reciprocal activation at the ankle joint and muscle group levels, and (5) decrease in all muscle latencies. No differences were observed in CoP displacement between conditions. These findings demonstrate that WUS led to a reorganization of the postural control system associated to improved performance of some components of postural control responses. 相似文献
149.
Mariño TC Armiñán RR Cedeño HJ Mesa JM Zaldivar YG Rodríguez RA Santos MV Mederos LE Herrera MP Pérez LV 《Journal of genetic counseling》2011,20(3):241-248
Predictive testing protocols are intended to help patients affected with hereditary conditions understand their condition
and make informed reproductive choices. However, predictive protocols may expose clinicians and patients to ethical dilemmas
that interfere with genetic counseling and the decision making process. This paper describes ethical dilemmas in a series
of five cases involving predictive testing for hereditary ataxias in Cuba. The examples herein present evidence of the deeply
controversial situations faced by both individuals at risk and professionals in charge of these predictive studies, suggesting
a need for expanded guidelines to address such complexities. 相似文献
150.
Richard F. Haase LaRae M. Jome Joaquim Armando Ferreira Eduardo J.R. Santos Christopher C. Connacher Kerrin Sendrowitz 《Journal of Vocational Behavior》2011,79(2):403-413
The purpose of this study was to provide additional validity evidence for a model of person–environment fit based on polychronicity, stimulus load, and information processing capacities. In this line of research the confluence of polychronicity and information processing (e.g., the ability of individuals to process stimuli from the environment along five dimensions of information load, interpersonal load, change load, time structure, and activity structure) is applied to the occupational environment. Using magnitude estimation scaling, college students in the United States and Portugal rated 42 occupations across five information processing demand characteristics. Results indicated that occupations could be differentiated by the information load conditions, thus producing a profile of information processing demand characteristics unique to each of the occupations tested. Additional findings provided evidence for the validity of the scaled occupational values; ratings differed reliably across Holland categories, were fairly consistent across the two cultural groups, and showed expected relationships with salary and educational level. 相似文献