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71.
THE PRICE OF EXPERTISE: 总被引:1,自引:0,他引:1
Abstract— When shown a idled container, people often fail to appreciate that the surface of the liquid contained within should remain horizontal with respect to the ground. This study investigated how amenable this bias is to experience in relevant everyday situations. Surprisingly, liquid surfaces that waitresses and bartenders considered natural deviated even more from horizontal than was the case for comparison groups. This finding is, to our knowledge, the only documented case in which performance declines with experience. We suggest that practical experience promotes a functionally relative perspective, in which the orientation of the liquid's surface is evaluated relative to that of its container as opposed to being related directly to the surrounding environment. The container-relative perspective, in turn, evokes a perceptual bias that is responsible for the systematic errors observed on this task. 相似文献
72.
73.
Perceiving geographical slant 总被引:1,自引:0,他引:1
Dennis R. Proffitt Mukul Bhalla Rich Gossweiler Jonathan Midgett 《Psychonomic bulletin & review》1995,2(4):409-428
People judged the inclination of hills viewed either out-of-doors or in a computer-simulated virtual environment. Angle judgments were obtained by having people (1) provide verbal estimates, (2) adjust a representation of the hill’s cross-section, and (3) adjust a tilt board with their unseen hand. Geographical slant was greatly overestimated according to the first two measures, but not the third. Apparent slant judgments conformed to ratio scales, thereby enhancing sensitivity to the small inclines that must actually be traversed in everyday experience. It is proposed that the perceived exaggeration of geographical slant preserves the relationship between distal inclination and people’s behavioral potential. Hills are harder to traverse as people become tired; hence, apparent slant increased with fatigue. Visually guided actions must be accommodated to the actual distal properties of the environment; consequently, the tilt board adjustments did not reflect apparent slant overestimations, nor were they influenced by fatigue. Consistent with the fact that steep hills are more difficult to descend than to ascend, these hills appeared steeper when viewed from the top. 相似文献
74.
DECONSTRUCTING THE MYTH OF THE NONAGGRESSIVE WOMAN 总被引:1,自引:0,他引:1
One of the most pervasive and undisputed gender stereotypes is that men are more aggressive than women. However, this stereotype has, until recently, led researchers to conclude that women are nonaggressive and, therefore, to ignore the topic of female aggression as a distinct phenomenon. The basis of the myth, factors supporting its maintenance, and theories of female aggression are examined. A feminist reinterpretation of aggression that views women's and men's aggressive behavior within social structural arrangements that create and sustain differential power relations is presented. 相似文献
75.
Rhea A. White 《Journal of Near-Death Studies》1998,16(3):181-204
Although I became a parapsychologist in part to help me understand the near-death experience (NDE) I had in 1952 as an undergraduate, it was not until 1990 that I began to integrate my NDE into my life. Doing so alerted me to the role the larger cultural context plays in regard to NDEs and other exceptional human experiences (EHEs). I propose not only that we need to draw on cultural resources to amplify the meaning of our exceptional human experiences, but that EHEs themselves carry the seeds of cultural change. 相似文献
76.
Glen Dunlap Ph.D. Ronnie White Arcadia Vera Diane Wilson Luanne Panacek Ed.D. 《Journal of Behavioral Education》1996,6(4):481-500
In this study, academic task assignments were modified in an effort to improve the conduct and task performance of three students with emotional and behavioral disorders. Functional assessments, including interviews and direct observations, were conducted to identify variables that affected the performance of each student during problematic assignments. The assessments implicated several variables for each student. These variables were then used as guides to modify the problematic tasks. The modifications resulted in reduced levels of problem behaviors and increased rates of task engagement, work productivity and accuracy for each of the students. The effects were demonstrated within ongoing academic activities and replicated through the use of reversal designs. The findings are discussed in relation to the practical process of functional assessment and the relevance of curricular and instructional arrangements to the occurrence of disruptive behavior. 相似文献
77.
Steven A. Hobbs Dennis L. Walle 《Journal of psychopathology and behavioral assessment》1985,7(2):145-153
Relationships between sociometric indices and scores of 160 elementary-school children on the Children's Assertive Behavior Scale (CABS) were examined to determine whether this instrument differentiates children of varying levels of social competence. Children who obtained either high or low scores on peer nominations of friendship and admiration were identified and compared on CABS passive, aggressive, and assertive scores. Children who scored high on positive peer nominations responded in a significantly less aggressive manner than children who received low scores on such nominations. These effects were observed for the CABS format that consisted of stimulus situations involving adults but not for the form involving peers. With regard to responses toward peers, a significant interaction between sex and sociometric status emerged. These findings suggest the importance of incorporating subject variables such as race and sex as well as assessments of behavior toward both adults and children in isolating and training components of social skill.The authors wish to express their appreciation to Jean Birbilis, Gail Hammersly, Marieta Knopf, and Donna Wadley for their assistance in data collection and analysis. 相似文献
78.
79.
Five foster grandparents were taught training skills for use in their daily interactions with severely handicapped persons in an institution. Following baseline, specific teaching procedures consisting of teacher instructions, prompts, modelling, and praise were implemented. The grandparents' frequency of training three skill areas increased as the specific teaching was implemented in multiple-baseline format. The total amount of training continued as teacher instructions, prompts, and modelling were terminated and praise continued, although the grandparents spent their training time emphasizing only two of the three skill areas. Teacher presence was gradually reduced over an 11-week period, with no decrease in grandparents' frequency of training. Four of the foster grandchildren, all profoundly retarded and multiply handicapped, demonstrated progress throughout the study. Results were discussed in light of the available contributions of foster grandparents in institutional settings and maintenance of staff training. 相似文献
80.
White KG 《Journal of the experimental analysis of behavior》1978,29(2):151-160
In Experiment I, hooded rats were exposed to multiple variable-interval schedules of reinforcement in which manipulanda and reinforcement magazines at opposite ends of the experimental chamber were associated with the different components. Time allocated to each component was measured by recording the time spent by the subject in the appropriate half of the chamber. Positive behavioral contrast was observed for the comparison between multiple variable-interval 30-second variable-interval 30-second and multiple variable-interval 30-second variable-interval 90-second conditions for both response frequency and time allocation measures, but not for mean local response rate (response frequency per time allocated to a component). In Experiment II, rats were exposed to multiple variable-time schedules in which reinforcement was response independent. Time allocated to each component was measured for two conditions, multiple variable-time 30-second variable-time 30-second and multiple variable-time 30-second variable-time 90-second. Positive behavioral contrast of time allocation was exhibited. The results indicated that time allocation was differentially sensitive to changes in reinforcement probability, and that behavioral contrast may result from the differential allocation of time to the different components of the multiple schedule. 相似文献