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21.
Two experiments investigated the effects of different types of movement responses on coincidence timing skill. The view was taken that the sensory-motor integration of the movement responses would be reflected in the accuracy and consistency of anticipation timing. A Bassin anticipation timer provided a light stimulus velocity of 3 mph for both experiments and the movements studied included a simple key press using a finger, an arm movement to a key press, and whole body movements culminating with a kick or step to a target. The experiments were modelled closely on the seminal study by Grose (1967). The results of Exp. 1 supported our prediction by demonstrating superiority of the finger task over the two larger movements for all measures of coincidence timing ability. The purpose of Exp. 2 was to compare the slightly different versions of the whole body task-that used in the first experiment and that used by Grose (1967). The results confirmed the close similarity of the two movement tasks and re-affirmed the results of Exp. 1. Exp. 2 also investigated sex effects on coincidence timing ability and, in contrast to previous evidence indicating that females perform with less accuracy and consistency than do males, no significant differences were found. Analysis of practice effects showed that, although there were no significant improvements over trial blocks in Exp. 1, there were significant improvements in Exp. 2. Comparisons with other research suggests that repeated practice in solving a coincident timing problem using whole body movements can lead to improved performance. In general, the findings are consistent with the constructs of action theory and emphasize the roles perceptual and movement variables have in defining situational constraints. Also, findings indicate that proficiency in coincidence anticipation appears to be influenced by the planning and organisation required for movement execution. 相似文献
22.
Cyril Simmons 《Journal of Beliefs & Values》1999,20(2):208-218
This article compares the results of three surveys in adolescent values. The subjects comprise young people with a modal age of 15 years from three countries‐‐England, Saudi Arabia and the United States. The contrasting educational systems of these countries are described with particular reference to the place of religious education within their curricula. An open‐ended questionnaire, designed to prompt statements from young people about their values, is introduced and its provenance is described. Similarities but also significant differences are found in the values expressed across the three cultures. Most marked is the high value placed on parents and friendship by the English young people, the importance attached to being well adjusted and feeling good about oneself in the American group and the prominence given to Islam by the Saudi Arabian adolescents. 相似文献
23.
Arthur A. Stukas Mary Amanda Dew Galen E. Switzer Roberta G. Simmons 《Journal of applied social psychology》1999,29(1):1-22
The current study sought to provide a better understanding of the reactions of bone-marrow volunteers to the possibility of donating by examining these volunteers in the context of their closest relationships. Using Tesser's (1988) self-evaluation maintenance (SEM) model as a guide, we examined the influence of spouses who are also volunteers on each member of the couple's distress levels and on the marrow volunteer's ambivalence about donating. We also examined the independent effects of known risk factors for donation-related distress and the combined effects of spouse volunteer status and these risk factors on distress levels. Questionnaire data were collected from 278 couples selected from 39 bone-marrow donor centers. Results demonstrated that when spouses of potential donors were engaged in any type of volunteer activity, members of the couple felt greater anxiety than when spouses were not volunteers. Additionally, other variables were found to have a conjoint effect with spouse volunteer status on volunteer and spouse anxiety levels. 相似文献
24.
According to the rapid auditory processing theory, the ability to parse incoming auditory information underpins learning of oral and written language. There is wide variation in this low-level perceptual ability, which appears to follow a protracted developmental course. We studied the development of rapid auditory processing using event-related potentials (ERPs) elicited by tone pairs presented at varying inter-stimulus intervals (25, 50, 100, 200, and 400 ms) in a sample of children (N = 103) aged 7-9 years initially and again at 9-11 years. We also assessed their ability to repeat nonsense words at both time-points. The amount of difference between the ERP to single tones and paired tones (as assessed by the intra-class correlation coefficient, ICC) provided a measure of the brain's capacity to discriminate auditory information delivered at different presentation rates. Results showed that older children showed greater neural discrimination to tone pairs than younger children at rapid presentation rates, although these differences were reduced at slower presentation rates. The ICC at time 1 significantly predicted nonword repetition scores two years later, providing support for the view that rapid auditory temporal processing ability affects oral language development in typically developing children. 相似文献
25.
Alexandra L. Seddon Anna S. Law Anne-Marie Adams Fiona R. Simmons 《Journal of Cognitive Psychology》2018,30(7):728-742
Media-multitasking involves simultaneous engagement with information streams from multiple media sources, and is most prevalent in young adults. Heavy media-multitasking has been associated with differential performance on tasks involving attentional control and working memory relative to light media-multitasking. The aim of the present study was to systematically investigate relationships between executive functions and self-reported media-multitasking. Healthy participants (N?=?112, aged 18–25, male N?=?36) completed a battery of 10 traditional executive function tasks, that included assessments of attentional inhibition, response inhibition, working memory, and cognitive flexibility. Scores on the individual executive function tasks were correlated against frequency of self-reported media-multitasking, but no significant relationships were found. Trait anxiety, however, was found to be significantly associated with greater frequency of self-reported media-multitasking. The present study found no evidence of a relationship between the frequency of self-reported media-multitasking and executive functioning. The possible reasons for this are discussed. 相似文献
26.
Ernest L. Simmons 《Dialog》2018,57(2):99-106
The focus question of this article is, “In what ways should Lutheran higher education's teaching on vocation be revised to include the fact that we are living in a natural world massively impacted by human behavior, the Anthropocene Era?” This can be broken down into two more explicit questions: “What is the role of liberal arts education in such a changed context?” and “What resources in the Lutheran tradition can contribute to preparing students to become effective sustainability leaders?” The thesis of this article is that Lutheran liberal arts education, to foster planetary citizenship, must move students from an anthropocentric to an ecocentric understanding of vocation, preparing them to become leaders for a sustainable, interfaith society. This change can be accomplished by reaffirming the value of the liberal arts to foster sustainability education and retrieving Luther's understanding of creation to elicit wonder and appreciation of the natural world. 相似文献
27.
28.
Norman JF Crabtree CE Herrmann M Thompson SR Shular CF Clayton AM 《Perception & psychophysics》2006,68(1):94-101
In two experiments, we investigated the ability of younger and older observers to perceive and discriminate 3-D shape from static and dynamic patterns of binocular disparity. In both experiments, the younger observers' discrimination accuracies were 20% higher than those of the older observers. Despite this quantitative difference, in all other respects the older observers performed similarly to the younger observers. Both age groups were similarly affected by changes in the magnitude of binocular disparity, by reductions in binocular correspondence, and by increases in the speed of stereoscopic motion. In addition, observers in both age groups exhibited an advantage in performance for dynamic stereograms when the patterns of binocular disparity contained significant amounts of correspondence "noise." The process of aging does affect stereopsis, but the effects are quantitative rather than qualitative. 相似文献
29.
Dale D. Simmons 《Journal of personality assessment》2013,95(3):39-41
Summary Children's responsiveness to animal drawings led to the theory that they identify more closely with animals than with humans. Werner's (1948) theory suggests, however, that children may identify equally with humans or animals until they become aware that animals are not appropriately personalized. To determine the development of emotional responses to personalized animals, a matched-pair set of drawings (each set comparing a natural versus a humanized animal) were administered to 377 children, aged 6 to 12. Preferences elicited resulted in random distributions of scores from age 6 through age 9. At age 10 (and after) a “J” curve distribution of scores developed. From the age of 10, a majority of children preferred the natural animals while a few dissidents preferred the humanized animals. 相似文献
30.
Keith Simmons 《逻辑史和逻辑哲学》2013,34(2):121-140
In this paper, I examine a solution to the Liar paradox found in the work of Ockham, Burley, and Pseudo-Sherwood. I reject the accounts of this solution offered by modern commentators. I argue that this medieval line suggests a non-hierarchical solution to the Liar, according to which ‘true’ is analysed as an indexical term, and paradox is avoided by minimal restrictions on tokens of ‘true’. In certain respects, this solution resembles the recent approaches of Charles Parsons and Tyler Burge; in other respects, it is related to a suggestion of Gödel. But, as a whole, it suggests an original solution to the Liar paradox, quite unlike any current proposals. 相似文献