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31.
Tsuji Marcelo da Costa Newton C. A. Doria Francisco A. 《Journal of Philosophical Logic》1998,27(6):553-568
We first state a few previously obtained results that lead to general undecidability and incompleteness theorems in axiomatized theories that range from the theory of finite sets to classical elementary analysis. Out of those results we prove several incompleteness theorems for axiomatic versions of the theory of noncooperative games with Nash equilibria; in particular, we show the existence of finite games whose equilibria cannot be proven to be computable. 相似文献
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Harry A. Tettelbaum J. E. O. Newton W. Horsley Gantt 《Integrative psychological & behavioral science》1971,6(2):101-118
The effect of acetylcholine chloride (ACh) on heart rate (HR) and blood pressure (BP) was studied in four dogs, awake and under anesthesia by means of pentobarbital sodium. In the awake dog, ACh caused a triphasic change in HR—a rise, fall and secondary rise. The BP showed an initial gradual fall followed by a secondary precipitous fall coinciding with the fall in HR, and then return to base line. Anesthesia accentuated the precipitous fall in HR due to ACh, and narrowed the pulse pressure during the initial fall in BP due to ACh. The effects of atropine sulphate, propranolol and d-tubacurarine on the above were studied, indicating the roles of the sympathetic and parasympathetic systems in mediating the HR and BP reactions to ACh in the awake state and under pentobarbital sodium anesthesia. 相似文献
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Richard A. Burgess Michael Davis Marilyn A. Dyrud Joseph R. Herkert Rachelle D. Hollander Lisa Newton Michael S. Pritchard P. Aarne Vesilind 《Science and engineering ethics》2013,19(3):1395-1404
The eight pieces constituting this Meeting Report are summaries of presentations made during a panel session at the 2011 Association for Practical and Professional Ethics (APPE) annual meeting held between March 3rd and 6th in Cincinnati. Lisa Newton organized the session and served as chair. The panel of eight consisted both of pioneers in the field and more recent arrivals. It covered a range of topics from how the field has developed to where it should be going, from identification of issues needing further study to problems of training the next generation of engineers and engineering-ethics scholars. 相似文献
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J. Stephen Newton William R. Ard Robert H. Horner 《Journal of applied behavior analysis》1993,26(2):239-245
We examined the accuracy of 24 staff members' predictions of activities preferred by 14 individuals with severe disabilities. For each of 144 activities, staff members assigned a client preference rating of “likes a lot,” “likes,” or “dislikes.” Two activities from each category were randomly selected for each individual with disabilities. Pairs of selected activities were presented to the individuals, who were prompted to choose an activity. Staff members' activity preference ratings correctly predicted the choices made by the individuals with disabilities for 78% of the trials. The more divergent the preference ratings of the paired activities, the more likely staff members were to predict correctly the activity selected by a participant. 相似文献
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Leslie Podlog Ross Wadey Andrea Stark Marc Lochbaum James Hannon Maria Newton 《Psychology of sport and exercise》2013,14(4):437-446
ObjectivesThe purpose of this investigation was to examine adolescent athletes' injury recovery and return-to-sport experiences. Given previous research highlighting competence, autonomy, and relatedness concerns among returning athletes (Podlog & Eklund, 2006), we sought to examine the extent to which basic psychological needs theory (BPNT: Ryan & Deci, 2007) could be used as framework for interpreting the research findings.DesignA qualitative design was employed in the present investigation.MethodEleven Australian athletes (M age = 15.3) who had incurred a range of severe injuries (e.g., anterior cruciate ligament tears, shoulder dislocations) were interviewed on 2–3 occasions (n = 27 interviews) spanning an 11-month period.ResultsAnalysis of the data revealed the following four key themes: (a) injury stress, (b) coping strategies, (c) experiences with social support, and (d) recovery outcomes. Injury stress provides insights into a range of stressors and strain responses reported by the adolescents across the recovery phases, while the theme on coping highlights the specific strategies used to maintain motivation, reduce uncertainties associated with the injury experience, and to keep focused on future athletic attainment. The third theme, experiences with social support, considers the transactions the adolescents held with members of their social network throughout their recovery. The final theme, recovery outcomes, describes participant perceptions of a successful/unsuccessful recovery and stress-related growth.ConclusionsResults suggest that competence and relatedness issues highlighted in BPNT may be relevant in exploring adolescent athletes' injury experience. Somewhat less evidence for the autonomy dimension of BPNT was apparent in adolescent comments. 相似文献
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Daryl R. Van Tongeren Amanda R. Pennington Daniel N. McIntosh Taylor Newton Jeffrey D. Green Don E. Davis 《Mental health, religion & culture》2017,20(5):413-427
Terror management theory suggests that humans invest in cultural worldviews that allay mortality-related anxiety by promising death transcendence. Many religious individuals adhere to belief in literal immortality – believing that one will live on after death. Across two studies (n?=?1137), we explored the terror management function of such beliefs by exploring whether these beliefs are associated with lower death anxiety and greater meaning among individuals of varying religiousness. In both Study 1 (n?=?236) and Study 2 (n?=?901), belief in literal immortality was related to lower death anxiety only among intrinsically religious participants. Moreover, meaning in life mediated the relationship between belief in literal immortality and death anxiety. Study 2 clarified that this mediational relationship was only present for intrinsically religious individuals. We discuss the importance of particular religious beliefs in the provision of meaning in order to manage existential concerns. 相似文献
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Morgan S. Hall Aubrey Newland Maria Newton Leslie Podlog Brian R. Baucom 《Journal of Applied Sport Psychology》2017,29(1):75-87
The present study investigated the relationship between the social psychological climate and sport commitment on both the individual and team level. High school athletes (n = 400) competing on 27 different teams completed motivational climate, caring climate, and sport commitment measures. Multilevel models were constructed to examine the hierarchical relationship between the climates and commitment. Task-involving (γ20 =.15, t = 2.31, p =.02) and caring climates (γ10 =.33, t = 3.48, p =.002) were significantly related to commitment on the individual level, and a task-involving climate (γ02 = 1.13, t = 2.90, p =.008) was significantly related to commitment on the team level. In an effort to enhance commitment, coaches and sport psychology consultants may wish to employ strategies targeted toward the facilitation of task-involving and caring climates. 相似文献