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291.
T C Chan M T Turvey 《Journal of experimental psychology. Human perception and performance》1991,17(2):347-358
Nine experiments were conducted on the haptic capacity of people to perceive the distances of horizontal surfaces solely on the basis of mechanical stimulation resulting from contacting the surfaces with a vertically held rod. Participants touched target surfaces with rods inside a wooden cabinet and reported the perceived surface location with an indicator outside the cabinet. The target surface, rod, and the participant's hand were occluded, and the sound produced in exploration was muffled. Properties of the probe (length, mass, moment of inertia, center of mass, and shape) were manipulated, along with surface distance and the method and angle of probing. Results suggest that for the most common method of probing, namely, tapping, perceived vertical distance is specific to a particular relation among the rotational inertia of the probe, the distance of the point of contact with the surface from the probe's center of percussion, and the inclination at contact of the probe to the surface. They also suggest that the probe length and the distance probed are independently perceivable. The results were discussed in terms of information specificity versus percept-percept coupling and parallels between selective attention in haptic and visual perception. 相似文献
292.
From junior high school on, girls report lower estimations of their math ability and express more negative attitudes about math than do boys, despite equivalent performance in grades. Parents show this same sex-typed bias. This paper examines the role that attributions may play in explaining these sex differences in parents' perceptions of their children's math ability. Mothers and fathers of 48 junior high school boys and girls of high, average, and low math ability completed questionnaires about their perceptions of their child's ability and effort in math, and their causal attributions for their child's successful and unsuccessful math performances. Parents' math-related perceptions and attributions varied with their child's level of math ability and gender. Parents credited daughters with more effort than sons, and sons with more talent than daughters for successful math performances. These attributional patterns predicted sex-linked variations in parents' ratings of their child's effort and talent. No sex of child effects emerged for failure attributions; instead, lack of effort was seen as the most important, and lack of ability as the least important, cause of unsuccessful math performances for both boys and girls. Implications of these attributions for parents' influence on children's developing self-concept of math ability, future expectancies, and subsequent achievement behaviors are discussed.This paper is based on a master's thesis by the first author. This research was funded by grants to Jacquelynne S. Eccles from the following agencies: the Foundation for Child Development, the National Institute of Mental Health, and the National Institute of Child Health and Development.We wish to express our thanks to Linda Buford, Sandra Hamman, and Samuel D. Miller, who helped collect and code these data, and especially to the parents, students, and teachers in the Ann Arbor Public School district, whose cooperation made this project possible. 相似文献
293.
Universals and cultural differences in the judgments of facial expressions of emotion 总被引:9,自引:0,他引:9
P Ekman W V Friesen M O'Sullivan A Chan I Diacoyanni-Tarlatzis K Heider R Krause W A LeCompte T Pitcairn P E Ricci-Bitti 《Journal of personality and social psychology》1987,53(4):712-717
We present here new evidence of cross-cultural agreement in the judgement of facial expression. Subjects in 10 cultures performed a more complex judgment task than has been used in previous cross-cultural studies. Instead of limiting the subjects to selecting only one emotion term for each expression, this task allowed them to indicate that multiple emotions were evident and the intensity of each emotion. Agreement was very high across cultures about which emotion was the most intense. The 10 cultures also agreed about the second most intense emotion signaled by an expression and about the relative intensity among expressions of the same emotion. However, cultural differences were found in judgments of the absolute level of emotional intensity. 相似文献
294.
295.
The phallometric method of assessing erotic value of presented stimuli has two main tasks, one is in the breaking down of complex (potentially) sexual stimuli into components, the other is in diagnosing anomalous erotic preferences in ‘Nonadmitters’, i.e. in persons whose behaviour would imply there is such an anomaly, but who deny its presence. Differentiation between Admitters and Nonadmitters was attained by two verbal Admitter scales. Comparison of the scores on these scales with results of phallometric assessment showed (by mutual validation) that the phallometric method diagnoses Admitters more accurately than Nonadmitters. After that, the validity was tested of a new mode of the phallometric method, designed for diagnosing pedo- or hebephilia in Nonadmitters. In cases of homosexual pedophilia or hebephilia (but not in the heterosexual cases) the new Nonadmitter mode was superior to the Standard procedure. 相似文献
296.
Evaluating a youth program whose goals are to provide instruction in Cambodian dance, increase awareness and pride in Cambodian culture, promote healthy behaviors, and create linkages within the community has been a challenge. A primary source of conflict was incorporating evaluation methods that were required of all funded programs with our own specifically tailored measures. One of our concerns was that the required tools were not culturally appropriate for our participants. Our experiences reinforce the importance of forming partnerships that embrace principles of respect, equity, and empowerment among all involved before establishing a research agenda. The choices we made and did not make contributed to our struggles and frustration and also to the insight that was gained. Our analysis examines the importance of clear communication, cultural awareness, tailoring evaluation, and meaningful participation. We believe that the lessons we learned will help facilitate the conduct of culturally sensitive community-based research. 相似文献
297.
Interactive effects of situational judgment effectiveness and proactive personality on work perceptions and work outcomes 总被引:5,自引:0,他引:5
Chan D 《The Journal of applied psychology》2006,91(2):475-481
This study was based on a sample of 139 employees. The results support the hypothesis that proactive personality (PAP) predicts work perceptions (procedural justice perception, perceived supervisor support, and social integration) and work outcomes (job satisfaction, affective organizational commitment, and job performance) positively among individuals with high situational judgment effectiveness (SJE) but negatively among those with low SJE. The findings on the disordinal SJE = PAP interaction effects show that high levels of PAP may be either adaptive or maladaptive, depending on the individual's level of SJE, and these findings caution against direct interpretations of bivariate associations between PAP and work-relevant criteria. Limitations and implications of the study as well as future research directions on the study of PAP and situational judgment are discussed. 相似文献
298.
Rape crisis volunteers who provide direct-care services to victims of sexual assault are a much-understudied group. Volunteers provide a crucial role in support of nonprofit rape crisis centers, and factors influencing their continued service are an important consideration for decision makers. In the present study, the authors examined--among volunteers providing hospital and crisis-line advocacy to victims of sexual assault--the training, service self-efficacy, social support, and experiences with victim blaming as correlates with overall satisfaction, affective commitment, and the intent to remain. Overall satisfaction and affective commitment were positively related to the intent to stay. Additionally, the perceived value of training was positively related to overall satisfaction and the intent to remain. 相似文献
299.
This pilot study examined the internal consistency and concurrent validity of the Chinese version of the Acute Lower Back Pain Screening Questionnaire. A sample of 45 acute low back pain patients (27 men and 18 women; mean age = 47.8) were recruited from the Department of Orthopaedics and Traumatology of the Tuen Mun Hospital in Hong Kong. Three items of the original questionnaire were excluded from the analyses because response was low by 30 of the 45 patients. The questionnaire showed good internal reliability (Cronbach alpha = .88) and correlated significantly with other test scores: the Faces Pain Scale-Revised (alpha = .74), the Chinese (Hong Kong) SF-12 Health Survey (Mental subscale, alpha = -.47; Physical subscale alpha = -.62), and the Chinese Hospital Anxiety and Depression Scale (Anxiety subscale, alpha = .42; Depression subscale, alpha = .43). The questionnaire could be used in research and clinical work to provide data on the multicomponents of a pain experience as well as psychosocial risk factors related to pain among the Chinese. Researchers might examine the course of change in chronic pain. 相似文献
300.
McComb C Rosenegger D Varshney N Kwok HY Lukowiak K 《Neurobiology of learning and memory》2005,84(1):9-24
Operant conditioning of aerial respiratory behaviour and its consolidation into long-term memory in Lymnaea has been previously studied in both intact, freely moving snails and in in vitro preparations made from previously trained snails. Here, we show in previously untrained semi-intact in vitro Lymnaea preparations that aerial respiratory behaviour can also be operantly conditioned. Neither yoked control nor 'run-down' control procedures in these in vitro preparations result in an alteration of aerial respiratory behaviour. Memory in the operantly trained semi-intact preparations persists for at least 1h after training. Intracellular recordings made from RPeD1, one of the 3-CPG neurons and the neuron that initiates CPG activity; show that there are specific changes in central excitatory input to this neuron concurrent with learning and its consolidation into memory. In addition following the acquisition of learning and its consolidation into memory the ability of RPeD1 and VI/J neurons when depolarized to cause a pneumostome opening is significantly decreased. Thus, previously untrained in vitro semi-intact preparations can be used to study changes in neuronal activity in a neuron known to be both necessary for the behaviour and for memory formation. 相似文献