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251.
Claire F. Michaels 《Psychological research》1986,48(1):1-22
Summary Underlying the classic binocularity problems of singleness and three-dimensionality is a theory that the stimulus for binocular vision constitutes two two-dimensional images and metric differences between parts of those images. This characterization of the stimulus is criticized here and in its stead an ecologically-based characterization is presented wherein a binocular transformational invariant is shown to specify absolute (body-scaled) size, shape, and distance. The transformation is characterized as a rotation and its specificity to distance assumes a constant interocular distance and either homogeneously textured or extended surfaces. Four experiments demonstrate perceivers' abilities to detect this information and report (verbally or by reaching) the absolute distances of surfaces in stereograms. A fifth experiment revealed that accurate performance did not depend on oculomotor information. The assumptions of texture extent and distribution and constant interocular distance and their possible violations were discussed. A sixth experiment demonstrated that violations of interocular distance are absorbed by surface shapes. The existence and detection of a binocular rotation dissolves the putative problems of singleness and stereopsis, indicates that the importance of having two frontal eyes is for perception of absolute distance, and reformulates the problems for an algorithmic (physiological) theory of vision. 相似文献
252.
This study was designed to assess specific social problem-solving, perceived competence, and selfesteem characteristics of 20 aggressive and 18 nonaggressive boys. Significant behavioral differences existed between the groups. The problem-solving measure provided for qualitative assessment of specific problem solutions that children consider, varying according to the interpersonal context of conflicts with peers, teachers, and parents and to the level of others' intent in conflicts (ambiguous frustration and hostile provocation). In univariate analyses, aggressive children had poorer selfesteem, generated fewer verbal assertion solutions in peer conflicts and during hostile frustration, and employed more direct action solutions with teachers and during hostile frustration. Discriminant analyses significantly differentiated the two groups. Findings indicated that future research should consider the relative distribution of specific kinds of problem situations that children produce, and that situational factors in social problem-solving skills should be addressed.This paper is based on a presentation made at the American Psychological Association annual convention in Los Angeles, August 1985. Acknowledgment is made of the administrative support provided by the Durham County Schools and the Durham Community Guidance Clinic. This research was supported in part by grants from the National Institute of Mental Health and from the Research Branch of the North Carolina Division of Mental Health, Mental Retardation and Substance Abuse Services. Appreciation is expressed to the school counselors who assisted with the coordination of this research: Tom Gemmer, Patricia Kirkley, Kathy McSwain, and Geoff Wyckoff. 相似文献
253.
Louise Potvin Judith Lasker Lori Toedter 《Journal of psychopathology and behavioral assessment》1989,11(1):29-45
Despite a considerable number of studies, there are two major drawbacks in the literature on grief and bereavement. One is a lack of adequate and generally agreed upon measures for assessing grief. The second is a lack of ability to predict from existing measures the likelihood of what has been termed chronic or pathological grief reactions. This paper reports the results of the development of a bereavement measure for the study of perinatal loss which attempts to address these gaps. The measure is specific to a pregnancy-related loss, although it has the potential for adaptation to use for other types of loss. Analysis of responses from 138 women has resulted in the reduction of the original measure from 104 to a more manageable and almost equally comprehensive and reliable 33 items. In addition, a factor analysis has produced three factors, two of which indicate the possibility for longer-term and more severe grief reactions. Because of its sound psychometric qualities and interesting factor structure, the measure shows promise of being useful for both research and clinical purposes.This research was funded by National Institute of Child Health and Human Development Grant R01 H18431-04, with additional assistance from the Center for Social Research at Lehigh University. Dr. Potvin is supported by the Quebec Health Research Fund. 相似文献
254.
Ninety-six female and 96 male college students evaluated a briefly described adult female stimulus person on 24 7-point bipolar scales that described personality traits and professional performance characteristics. Each subject rated 1 of 8 mothers, who was described as either employed or nonemployed, either divorced or married, and as having either a 1-year-old or 11-year-old child. Employed mothers were viewed as less family oriented, but as more instrumental than nonemployed mothers. Divorced mothers were perceived as less well adjusted but more instrumental than married mothers. Employed mothers with a 1-year-old child were rated as most professionally competent, while employed mothers with an 11-year-old child were rated as most instrumental.Portions of this paper were presented at the meeting of the Midwestern Psychological Association, Chicago, May 1987. 相似文献
255.
Summary This paper examines the reproduction of both regular rhythms and irregular sequences by 5- and 7-year-old children, concentrating on the important role played by their organization around a pulse train. It is shown that: (a) the closer rhythms are to a regular beat the easier they are to reproduce and the greater are the improvements with age; (b) memory capacity is limited by the number of pulses around which the rhythm is organized rather than by the number of elements it contains; (c) all the children's productions contain two interval lengths that are in a ratio close to 1:2 and arranged in preferential sequences which we have called stereotypes; (d) arrhythmic sequences can only be reproduced if the intervals undergo a systematic distortion towards regularity. These results are interpreted in relation to a pulse-train hypothesis which states that on hearing a rhythm an internal clock or time base is evoked around which the rhythm is structured. 相似文献
256.
This study examined the hypothesis that gender differences in eating restraint might mediate previously reported gender differences in cognitive restructuring tasks. Thirty female and 30 male college students matched for dietary restraint were administered two tests that had differentiated females from males and obese from normal-weight individuals in previous research: Luchins' water jar problems, and the Embedded Figures Test. On the water jar problems, use of the initial solution when no longer most efficient was greater for restrained eaters than for unrestrained eaters and no gender differences were found, supporting the hypothesis. On the Embedded Figures Test, males performed better than females, with restrained females tending to perform most poorly.Portions of this paper were presented at the meeting of the Midwestern Psychological Association, Chicago, May 1985. 相似文献
257.
Irwin N. Sandler Stephen G. West Louise Baca David R. Pillow Joanne C. Gersten Fred Rogosch Lynn Virdin Janette Beals Kim D. Reynolds Carl Kallgren Jenn-Yun Tein Gary Kriege Eloise Cole Rafael Ramirez 《American journal of community psychology》1992,20(4):491-521
Conclusion We have illustrated how our small theory (Lipsey, 1990) of bereavement guided the development and evaluation of a preventive intervention for bereaved children. Our small theory, based on prior empirical research, enabled us to identify family processes that appeared to mediate the effects of parental death on child mental health. Our intervention was designed to attempt to change these processes. The evaluation of our experimental trial of the intervention assessed changes on these processes as well as the more distal mental health outcomes. The experimental trial showed some-what encouraging results, in terms of the program's ability to modify the warmth of the parent–child relationship and to decrease symptomatology in the adolescent children. We also obtained further empirical support for our underlying theoretical model. Finally, implications for redesign of the program were derived from assessing the adequacy of the program components to change each of the mediators in the theoretical model.Support for this research was provided by NIMH grant P5OMH39246 which is gratefully acknowledged. David R. Pillow is now at Western Psychiatric Institute, Pittsburgh; Fred Rogosch is at the University of Rochester; Janette Beals is now at University of Colorado Health Sciences Center; Kim D. Reynolds is now at the University of Alabama, Birmingham; Carl Kallgren is now at the Pennsylvania State University, at Erie; and Rafael Ramirez is now at the University of Puerto Rico. 相似文献
258.
Andrew Burton Louise Connor Christine Haley 《British Journal of Guidance & Counselling》1992,20(3):303-312
Information was gathered by means of a questionnaire survey and interviews from a group of patients (N = 17) and health professionals (N=13) working within a stroke unit, concerning the emotional needs of patients and and their relatives and how staff responded to these needs. Although most of the staff had received some training or information about counselling and felt that their interactions with patients often involved an element of counselling, there was strong support for separate specialised counselling services to deal with psychological problems suffered by both patients and their relatives. Patients rated assistance with personal and emotional worries and advice about physical problems as equally useful. A strong need for a counselling service in some form or other was expressed by patients. Neither the level of the patients' social support nor the presence or absence of aphasia, however, predicted the strength of interest expressed. It is concluded that specialised psychological help could be useful in various ways for both in- and out-patients and for their families. 相似文献
259.
It has been suggested that victimization during childhood may be a primary factor in the adoption of offending behaviour during adolescence. Why is it, therefore, that the majority of child abuse victims do not become delinquent? Although empirical and theoretical evidence abounds in the victim to offender literature, the pathways responsible for vulnerability towards and protection against criminal activity have so far been unidentified. The significance of detecting these influencing factors is apparent, specifically in relation to termination of the cycle either before or after it has begun. 相似文献
260.
Stephanie Walker Vicki Bruce Claire O’Malley 《Attention, perception & psychophysics》1995,57(8):1124-1133
An experiment was conducted to investigate the claims made by Bruce and Young (1986) for the independence of facial identity and facial speech processing. A well-reported phenomenon in audiovisual speech perception—theMcGurk effect (McGurk & MacDonald, 1976), in which synchronous but conflicting auditory and visual phonetic information is presented to subjects—was utilized as a dynamic facial speech processing task. An element of facial identity processing was introduced into this task by manipulating the faces used for the creation of the McGurk-effect stimuli such that (1) they were familiar to some subjects and unfamiliar to others, and (2) the faces and voices used were either congruent (from the same person) or incongruent (from different people). A comparison was made between the different subject groups in their susceptibility to the McGurk illusion, and the results show that when the faces and voices are incongruent, subjects who are familiar with the faces are less susceptible to McGurk effects than those who are unfamiliar with the faces. The results suggest that facial identity and facial speech processing are not entirely independent, and these findings are discussed in relation to Bruce and Young’s (1986) functional model of face recognition. 相似文献