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261.
262.
R. Ross MacLean Aaron L. Pincus Joshua M. Smyth Charles F. Geier Stephen J. Wilson 《Journal of psychopathology and behavioral assessment》2018,40(1):107-116
The Balloon Analogue Risk Task (BART) is a behavioral measure that is commonly used to assess risk taking propensity. The primary goal of the present study was to introduce a mobile version of the BART (mBART) that can be included within ambulatory assessment protocols to assess risk taking in daily life. Study 1 compared common BART indices (i.e., total money earned, adjusted average pumps, balloon explosions, and coefficient of variability [CV]) on a single administration of the laboratory BART on a computer and the mBART on a smartphone (n = 78). Results revealed generally consistent relationships between indices of risk taking propensity in both the laboratory BART and mBART. Study 2 administered the mBART as part of a 7-day ecological momentary assessment (EMA) protocol in a population of nondaily smokers (n = 51). Using multi-level models, results suggest that males have greater adjusted average pumps (p = .03), and that a participant’s average CV is negatively related to trait sensation seeking (p = .03) and positively associated with trait positive urgency (p = .04). There were within-person effects of study day (p = .05) and environment (p = .02) with respect to adjusted average pumps such that individuals took greater risks as the study progressed and were riskier when alone compared to with others. Inclusion of the mBART in EMA did not appear to significantly increase participant burden and demonstrated acceptable levels of compliance. These results offer initial evidence supporting the feasibility and utility of the mBART for ambulatory research designs. 相似文献
263.
Abigail M. Shepherd Sarah S. Schnitker G. Michael Leffel Ross A. Oakes Mueller Farr A. Curlin John D. Yoon 《The journal of positive psychology》2018,13(2):143-154
The Project on the Good Physician is a national longitudinal study of moral and professional formation of American physicians over the course of medical training. The purpose of this paper is to examine the processes by which spirituality influences the development of three virtues (mindfulness, empathic compassion, and generosity) in medical students as mediated by the moral intuition to care/harm, as well as make predictions as to how this type of study could be generalizable to other populations. Study participants were 563 medical students recruited by the University of Chicago from 24 medical schools across the U.S. (54.7% male, 57% white) who completed measures assessing virtue formation 9 months apart. Path analysis of a cascade model showed that spirituality (but not religiousness) was directly and indirectly related to change in the virtue empathic compassion, and also indirectly related to change in the virtue generosity. Moreover, the moral intuition to care/harm partially mediated the association between spirituality and the virtues of empathic compassion and generosity (but not mindfulness). 相似文献
264.
Movement organization of cricket batters' actions was analyzed under three distinct experimental task constraints: a representative condition of a practice context in which the batters batted against a "live" bowler, a ball projection machine, and a near life-size video simulation of a bowler. Results showed that each distinct set of task constraints led to significant variations in the patterns of movement control. Removal of advanced information sources from a bowler's actions when the batters faced the ball projection machine caused significant delays in movement initiation, resulting in reduced peak bat swing velocities and a reduction in the quality of bat-ball contact, when compared with batting against a "live" bowler. When responding to a two-dimensional video simulation, batters were able to use information from the bowlers' action, enabling fidelity of initial behavioral responses consistent with the task of batting against a "live" bowler. However, without interceptive task requirements or actual ball flight information, significant variations in downswing initiation timing and peak bat velocities were demonstrated. Findings stress the need for representative experimental and learning designs in fast ball sports for developing performers. 相似文献
265.
John Hidalgo William A. Tarleton Ross J. Dileo Charles R. Thompson 《Behaviour research and therapy》1968,6(4):461-471
Dogs were conditioned to an anxiety response characterized by an increase in heart rate upon presentation of a musical tone. Meprobamate, chlordiazepoxide and diazepam effectively prevented the cardiac conditioned response. Phenobarbital and chlorpromazine were less effective. Amphetamine, 1.5
orally, also blocked the cardiac conditioned response. Atropine, meperidine, caffeine, imipramine and -methyl-dopa had no effect on the cardiac conditioned response. Morphine and methyl phenidate were clearly active only in doses producing marked side effects. Ethanol in relatively small doses was mildly effective. 相似文献
266.
Ross BH 《Memory & cognition》2000,28(1):51-63
Frequently, people learn to classify instances of a concept and later learn additional information about the concept. What is the effect of this later learning on the original classification? In five experiments, this issue was investigated with a common classification paradigm in which symptom sets were classified into disease categories. After learning to classify these sets, the subjects learned to use the category to decide what treatment should be given for a symptom set. The symptoms that were important for the treatments were later classified by disease more accurately and were generated earlier from the disease name. However, this effect occurred only if the category representation was activated during the learning of the treatments. Thus, later learning about a particular use of the concept can sometimes affect the original classification. 相似文献
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Wood JV Heimpel SA Newby-Clark IR Ross M 《Journal of personality and social psychology》2005,89(5):764-780
Successes--defined broadly as meeting important standards or receiving positive evaluations--are widely assumed to be enjoyed equally by people with high self-esteem (HSEs) and low self-esteem (LSEs). Three studies examined the contradictory hypothesis that HSEs react more favorably to success than do LSEs and that success brings about certain unfavorable consequences for LSEs. Undergraduate participants reacted to a laboratory-manipulated success (Studies 1 and 2) or imagined highly positive events in the future (Study 3). Self-esteem differences emerged in anxiety, thoughts about the self, and (in Study 3) thoughts about non-self-related aspects of the event. LSEs were more anxious than HSEs after succeeding, success improved HSEs' self-relevant thoughts but not LSEs', and LSEs focused more on success's negative aspects. 相似文献
270.
People tend to believe that their own judgments are less prone to bias than those of others, in part because they tend to rely on introspection for evidence of bias in themselves but on their lay theories in assessing bias in others. Two empirical consequences of this asymmetry are explored. Studies 1 and 2 document that people are more inclined to think they are guilty of bias in the abstract than in any specific instance. Studies 3 and 4 demonstrate that people tend to believe that their own personal connection to a given issue is a source of accuracy and enlightenment but that such personal connections in the case of others who hold different views are a source of bias. The implications of this asymmetry in assessing objectivity and bias in the self versus others are discussed. 相似文献