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131.
132.
Carlos Petrozzi 《Motivation and emotion》1995,19(3):237-243
Teaching younger physicians the art of medicine should be an activity that engenders joy, satisfaction, and pride for the teacher. It is important to not that technical knowledge of medicine is complemented by special skills in facilitating reflective learning. Methods for teaching and learning the art of medicine are not easy but can be developed for such an important goal. 相似文献
133.
Michael C. Corballis Jane Zbrodoff Carlos E. Roldan 《Attention, perception & psychophysics》1976,19(6):525-530
We report two experiments on the influence of head tilt on mental rotation. In Experiment I, subjects decided whether dot patterns were or were not repeated about a line. Their reaction times (RTs) were consistent with the interpretation that they mentally rotated the patterns so that the line was subjectively vertical before making their decisions. When the subjects tilted their heads, the RT functions shifted in the direction of the tilt, indicating that the subjective vertical lay closer to the retinal than to the gravitational vertical. In Experiment II, subjects decided whether singly presented alphanumeric characters in various orientations were standard or backward (mirror-reversed). Again, analysis of their RTs suggested mental rotation to the standard upright, but the function was unaffected by head tilt; in this case, the subjects operated in subjective gravitational rather than retinal coordinates. The choice of retinal or gravitational coordinates may depend on whether the stimuli are interpreted egocentrically or as part of the external world. 相似文献
134.
135.
In three experiments, Ss responded to individual digits or letters according to whether or not each was in some prememorized list. There were either two possible responses (yes-no condition) or a single response (yes-only and no-only conditions). With memory sets of one, two, or four digits, RT was a linear function of memory set size. The slope of the function was least under the yes-only condition and greatest under the yes-no condition. Nonspecific practice had little effect on any of the slopes. With memory sets of 4, 8, or 12 letters, the slopes under the yes-only and yes-no conditions did not seem to differ, and practice with specific sets flattened the function considerably in both cases. Overall, the errors under the yes-no condition were mostly false alarms, those under the no-only condition mostly misses, and those under the yes-no condition were divided about equally. The results are interpreted partially in terms of a multiple-observations model of decision time. 相似文献
136.
William M. Baum Carlos F. Aparicio 《Journal of the experimental analysis of behavior》2020,113(3):530-548
The multiscale molar view sees behavior as a flow, like a river, extended in time. Matching theory expresses the way activities compete for time. Relative time taken by any activity depends on relative induction. The present experiment tested matching theory applied to concurrent contingent and noncontingent food. As adjunctive activities that compete with operant activity, we recorded hopper head entries and presses on a lever near the food hopper that had no programmed consequences. Eight naïve rats were first exposed to a variable-time 60 s schedule, which across conditions was gradually transformed into a variable-interval 60 s schedule by increasing the proportion of food that was delivered contingent on pressing a lever far from the hopper. Another group of 4 rats that had been trained to press a lever near a food hopper were introduced in the second condition, in which one food delivery was contingent on far-lever pressing. We found induction following a power function to describe pressing on the far lever (operant activity). Matching theory combined with power-function induction also accounted for adjunctive activity. Results with single contingent food deliveries provided little support for the molecular view that behavior consists of discrete responses “strengthened” by immediately following reinforcers. 相似文献
137.
138.
To identify and investigate coping mechanisms and other factors which may impact upon the psychosomatic symptoms of aging German Roman Catholic priests. A cross-sectional study was conducted among 499 aging German Roman Catholic priests with standardized questionnaires: Brief Symptom Inventory, Coping Inventory Stressful Situations, and Religious Coping Scale. Task-Oriented Coping exhibited a significant difference between the two groups. Multiple regression analyses indicated that psychosomatic symptoms could be best predicted by means of Task-Oriented Coping mechanisms, identification with priesthood, and by a low Negative Religious Coping. The success of adaptive coping processes for older clergy may depend on how they employ strategies, strengthen their spiritual dimensions, and manage important psychosocial aspects of aging. In our sample, Depression and Somatization are explained best by Emotion-Oriented Coping. It is desirable for aging priests to be aware of protective factors like Role Identification, Task-Oriented Coping, and low Negative Religious Coping, which may be helpful in improving their psychological well-being. 相似文献
139.
Carlos R. X. Cançado Josele Abreu‐Rodrigues Raquel Moreira Aló Flávia Hauck Adam H. Doughty 《Journal of the experimental analysis of behavior》2018,109(1):176-193
The effects of the response–reinforcer dependency on resistance to change were studied in three experiments with rats. In Experiment 1, lever pressing produced reinforcers at similar rates after variable interreinforcer intervals in each component of a two‐component multiple schedule. Across conditions, in the fixed component, all reinforcers were response‐dependent; in the alternative component, the percentage of response‐dependent reinforcers was 100, 50 (i.e., 50% response‐dependent and 50% response‐independent) or 10% (i.e., 10% response‐dependent and 90% response‐independent). Resistance to extinction was greater in the alternative than in the fixed component when the dependency in the former was 10%, but was similar between components when this dependency was 100 or 50%. In Experiment 2, a three‐component multiple schedule was used. The dependency was 100% in one component and 10% in the other two. The 10% components differed on how reinforcers were programmed. In one component, as in Experiment 1, a reinforcer had to be collected before the scheduling of other response‐dependent or independent reinforcers. In the other component, response‐dependent and ‐independent reinforcers were programmed by superimposing a variable‐time schedule on an independent variable‐interval schedule. Regardless of the procedure used to program the dependency, resistance to extinction was greater in the 10% components than in the 100% component. These results were replicated in Experiment 3 in which, instead of extinction, VT schedules replaced the baseline schedules in each multiple‐schedule component during the test. We argue that the relative change in dependency from Baseline to Test, which is greater when baseline dependencies are high rather than low, could account for the differential resistance to change in the present experiments. The inconsistencies in results across the present and previous experiments suggest that the effects of dependency on resistance to change are not well understood. Additional systematic analyses are important to further understand the effects of the response–reinforcer relation on resistance to change and to the development of a more comprehensive theory of behavioral persistence. 相似文献
140.
José-Antonio Navia Carlos Avilés Sergio López Luis-Miguel Ruiz 《Estudios de Psicología》2018,39(1):1-19
The classical cognitive concept of anticipation and timing (for example, reaction time) somewhat limits the study of sports actions under spatio-temporal pressure. The presence, duration and evolution of the information of the opponents, spatio-temporal pressure, the evolution of the athlete’s response movements or the degree of representativeness are some of the issues facilitating research into an anticipation that is better adjusted to the specific circumstances of interception tasks. This article proposes that temporalization of response actions is based on the balance between the spatio-temporal demands of the task, the athlete’s action capabilities and the evolution of the reliability of the available variables. In order to obtain good performance in these actions under pressure, individual perceptual differences and possible interactions with other information sources must also be considered. 相似文献