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Forty-four preschool children ranging from three to five years of age received a series of stones in which the protagonists experience happiness, sadness, or fear These protagonists were portrayed as either similar or dissimilar to the child, and the situations depicted were either familiar or unfamiliar to him/her as well The children's task was to infer the emotions experienced by the protagonists Results indicate that children were more accurate in judging the emotions of similar target persons than they were for dissimilar ones Familiarity with the situation, on the other hand, had no effect on accuracy Children were more accurate in identifying happiness and sadness than they were in judging fear, and age was positively related to judgmental accuracy for the former two but not for the latter These results help to resolve the controversy arising from earlier studies of empathy development which failed to disentangle the similarity and familiarity dimensions 相似文献
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Elizabeth F. Loftus Jonathan W. Schooler Stanley M. Boone Donald Kline 《Applied cognitive psychology》1987,1(1):3-13
In three experiments, 469 subjects watched a short videotape of a bank robbery and later estimated the duration of the tape. Subjects invariably overestimated the durations. Accuracy of time estimation was unrelated to amount of free recall (Experiment 1) or accuracy of memory (Experiment 2). Females overestimated to a greater degree than males (Experiments 2 and 3). A more stressful version of the event produced greater overestimates than a less stressful version (Experiment 3). The relationship between induced arousal and time estimation appears to be different for men and women. 相似文献
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Feldman AG 《Journal of motor behavior》1986,18(1):17-54
The equilibrium control hypothesis (lambda model) is considered with special reference to the following concepts: (a) the length-force invariant characteristic (IC) of the muscle together with central and reflex systems subserving its activity; (b) the tonic stretch reflex threshold (lambda) as an independent measure of central commands descending to alpha and gamma motoneurons; (c) the equilibrium point, defined in terms of lambda, IC and static load characteristics, which is associated with the notion that posture and movement are controlled by a single mechanism; and (d) the muscle activation area (a reformulation of the "size principle")--the area of kinematic and command variables in which a rank-ordered recruitment of motor units takes place. The model is used for the interpretation of various motor phenomena, particularly electromyographic patterns. The stretch reflex in the lambda model has no mechanism to follow-up a certain muscle length prescribed by central commands. Rather, its task is to bring the system to an equilibrium, load-dependent position. Another currently popular version defines the equilibrium point concept in terms of alpha motoneuron activity alone (the alpha model). Although the model imitates (as does the lambda model) spring-like properties of motor performance, it nevertheless is inconsistent with a substantial data base on intact motor control. An analysis of alpha models, including their treatment of motor performance in deafferented animals, reveals that they suffer from grave shortcomings. It is concluded that parameterization of the stretch reflex is a basis for intact motor control. Muscle deafferentation impairs this graceful mechanism though it does not remove the possibility of movement. 相似文献
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Stanley Coren Clare Porac Leonard H. Theodor 《Attention, perception & psychophysics》1986,39(5):327-333
Two experiments showed the influence of perceptual set on the perception of subjective contours. In the first, the perceived shape of a subjective-contour figure (a minimal version of the Ehrenstein configuration) was varied by altering the observer’s viewing set. The second experiment showed that apparent depth emerged in subjective-contour figures when observers were set to perceive the illusory contours. 相似文献
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Alicia Azzano Tricia Vause Rebecca Ward Maurice A. Feldman 《Behavioral Interventions》2023,38(1):140-158
The global pandemic has highlighted the importance of telehealth to access behavioral interventions. Face-to-face parent training improves the development and behaviors of young children at risk for autism spectrum disorder (ASD). We evaluated a telehealth parent training intervention for a child at risk for ASD. Two parents identified possible early ASD symptoms in their 30-month-old son (lack of imitation, pointing, and vocal manding). Both parents simultaneously received telehealth behavioral skills training on the Parent Intervention for Children at Risk for Autism program for 1 hour per week over 29 weeks. Multiple baseline designs across parent and child behaviors showed that both parents improved their parent teaching fidelity above 80% and the child improved on all trained behaviors. This study expands the utility of telehealth behavioral parent training to young children at risk for ASD to mitigate early symptoms of ASD. 相似文献
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The relative efficiency of five techniques of illusion measurement were tested on parametric variations of the Mueller-Lyer and Ebbinghaus figures. The methods of average error, reproduction, and selection from a graded series all showed significant effects of configurational variations. The subjective scaling techniques each failed to measure adequately changes in illusion magnitude for one illusion configuration. The suitability of the tested measures for group administration is also discussed. 相似文献
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