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961.
Signal-detection analyses of conditional discrimination and delayed matching-to-sample performance
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Alsop B 《Journal of the experimental analysis of behavior》2004,82(1):57-69
Quantitative analyses of stimulus control and reinforcer control in conditional discriminations and delayed matching-to-sample procedures often encounter a problem; it is not clear how to analyze data when subjects have not made errors. The present article examines two common methods for overcoming this problem. Monte Carlo simulations of performance demonstrated that both methods introduced systematic deviations into the results, and that there were genuine risks of drawing misleading conclusions concerning behavioral models of signal detection and animal short-term memory. 相似文献
962.
One of the unresolved issues regarding research on bulimia nervosa concerns the question as to how patients diagnosed with bulimia nervosa respond to body image exposure. In addition, it remains unclear whether there are differential responses associated with different exposure techniques (e.g. in vivo exposure vs. exposure by visualization). The aim of the present study was to investigate psychological responses to body image exposure. Twenty participants diagnosed with bulimia nervosa (DSM IV) and twenty non-eating disordered individuals were exposed to their body image using a video recording (video confrontation). In addition, they were asked to imagine and describe the appearance of their body (imagery task). Results indicate that self-reported negative emotions increased in response to both, video confrontation and imagery task, in the clinical as well as in the control group. Furthermore, video confrontation led to more pronounced group differences than exposure by visualization (imagery task). Participants diagnosed with bulimia nervosa took less time to describe their waist, hips and bottom compared to non-eating disturbed controls. This last result could be interpreted in terms of avoidance behavior and other mechanisms during body image exposure. 相似文献
963.
Delayed matching to complex, two-picture samples (e.g., cat-dog) may be improved when the samples occasion differential verbal behavior. In Experiment 1, individuals with mental retardation matched picture comparisons to identical single-picture samples or to two-picture samples, one of which was identical to a comparison. Accuracy scores were typically high on single-picture trials under both simultaneous and delayed matching conditions. Scores on two-picture trials were also high during the simultaneous condition but were lower during the delay condition. However, scores improved on delayed two-picture trials when each of the sample pictures was named aloud before comparison responding. Experiment 2 replicated these results with preschoolers with typical development and a youth with mental retardation. Sample naming also improved the preschoolers' matching when the samples were pairs of spoken names and the correct comparison picture matched one of the names. Collectively, the participants could produce the verbal behavior that might have improved performance, but typically did not do so unless the procedure required it. The success of the naming intervention recommends it for improving the observing and remembering of multiple elements of complex instructional stimuli. 相似文献
964.
Mizen R 《The Journal of analytical psychology》2003,48(3):285-305
Abstract This paper considers some of the clinical and theoretical problems contingent upon the imprecision and lack of clarity with which the word and concept 'violence' is used. A definition of violence is proposed, which separates the concept of violence from the related concept of aggression and sees the former as a particular form of the latter. This definition also proposes that violence must always have a psychological component aspect. It is contended that clarity is important clinically so that analysts can distinguish psychologically destructive from psychologically creative elements in their patients, in their own psychological functioning and in the countertransference. The phenomenon of violence is considered in the light of Fordham's model of development, in particular that violence may be viewed as a consequence of a failure to integrate normal, aggressive aspects of the personality. Violence is seen as uncontained, split-off aggression, subjected to psychological projection. It is proposed that a particular quality of the experience that is being projected is an uncontained sense of violation. The notion of 'mindless violence' is considered. 相似文献
965.
James SE Johnson J Raghavan C Lemos T Barakett M Woolis D 《American journal of community psychology》2003,31(1-2):129-141
One goal of this paper is to present an integrated tripartite model of violence, with a focus on structural violence within an oppression paradigm. Using qualitative and quantitative data from 27 women (70% African American and 30% European American) who participated in a national substance abuse treatment demonstration program, we describe a model of violence in which structural violence is presented within a transactional relationship with interpersonal, and intrapersonal violence. We suggest that the effects of structural, interpersonal, and intrapersonal violence are magnified when race and poverty are considered. The second goal of the paper is to present a preliminary test of the new model of violence. Results indicated that different levels and types of violence are interrelated. Implications of these findings for empowering solutions are suggested. 相似文献
966.
Ristock JL 《American journal of community psychology》2003,31(3-4):329-341
This paper presents preliminary results from a multisite, qualitative study on violence in lesbian relationships. A framework for conducting community-based, empowerment research that draws on theories of community psychology, feminism, and postmodernism is presented. The study was designed to understand the dynamics of abusive lesbian relationships and social service providers' responses to the abuse. Results from 80 in-depth interviews with lesbians who have experienced relationship violence are examined with a particular focus on a pattern of first relationships being abusive and a theme of shifting power dynamics. Analysis of focus group discussions with 45 feminist service providers (e.g., counselors, shelter workers, social workers, healthcare providers) reveals the difficulties in assessing the power dynamics of abusive same-sex relationships and in developing appropriate responses when relying on heterosexually gendered models developed to address men's violence against women. The preliminary results present implications both for how we theorize and research this form of violence, and for improving the practices and policies of social services that work with lesbian, gay, bisexual, and transgendered communities. 相似文献
967.
The papers in this special issue of Clinical Child and Family Psychology Review provided an overview of what is known about children's exposure to domestic violence, and include indications of gaps in extant research. These gaps and research needs are summarized in this conclusion. Specifically, there is need for further research in several broad areas: definition and measurement of children's exposure to domestic violence; development of research methods and statistical designs that provide detailed information and provide for evidence of intervention effectiveness; impact of domestic violence on parenting and family functioning; the role of child factors and exposure to violence factors in predicting developmental risk and resilience; medical and health consequences of exposure to violence; and the nature of child-system interaction in response to domestic violence. Research needs in these areas are discussed in greater detail, and specific questions are raised for further development. 相似文献
968.
Holden GW 《Clinical child and family psychology review》2003,6(3):151-160
Three definitional issues regarding children exposed to domestic violence are examined. First, the multiple ways in which a child can be exposed to violence is discussed. A taxonomy of 10 types of exposure is proposed. Nine key characteristics of domestic violence, as they relate to children and children's exposure, are then outlined. The third issue addressed concerns why children who are exposed to domestic violence can be considered victims of child maltreatment. These children, by nature of their experience in the home, are psychologically maltreated and are also at high risk for physical abuse and some risk for sexual abuse. Empirical questions concerning these definitions and taxonomies and their interrelations are discussed. 相似文献
969.
Berkowitz SJ 《Clinical child and family psychology review》2003,6(4):293-302
Children are exposed to violence in their homes and communities at extraordinarily high rates. Given the alarming rates of exposure and its known impact on child developmental outcomes, crisis intervention geared at interrupting the negative effects of violence exposure are increasingly important. This review provides a rationale for the implementation of early and crisis intervention strategies for children exposed to community violence and recommends principles for applying these interventions. These principles are based on the body of research concerning risk and protective factors for children who have been exposed to violence. Relevant factors are reviewed and recommended principles are explicated that correlate to these factors. Issues concerning developmentally informed crisis intervention, support of parental executive functioning, and the need for active community partnership to help ameliorate risk factors are highlighted. 相似文献
970.
Consequences of Children's Exposure to Community Violence 总被引:3,自引:0,他引:3
Lynch M 《Clinical child and family psychology review》2003,6(4):265-274
Much has been learned over the past decade about the way children respond to experiences of violence in their community. The goal of this paper is to review what is known about the effects of community violence on children's development. In addition to main effects, factors that mediate these effects, as well as factors that moderate children's response to community violence are discussed. Special attention is paid to developmental differences in children's responses to community violence and the factors that may promote resilient functioning. 相似文献