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981.
The influence of antecedent events on behavior disorders has been relatively understudied by applied behavior analysts. This lack of research may be due to a focus on consequences as determinants of behavior and a historical disagreement on a conceptual framework for describing and interpreting antecedent variables. We suggest that antecedent influences can be described using terms derived from basic behavioral principles and that their functional properties can be adequately interpreted as discriminative and establishing operations. A set of studies on assessment and treatment of behavior disorders was selected for review based on their relevance to the topic of antecedent events. These studies were categorized as focusing on assessment of antecedent events, antecedent treatments for behavior disorders maintained by either positive or negative reinforcement, and special cases of antecedent events in behavior disorders. Some directions for future research on antecedent influences in the analysis and treatment of behavior disorders are discussed. 相似文献
982.
This investigation used functional analyses to identify the social variables that maintained the inappropriate social-communicative behaviors of 2 adolescent students with mental retardation. Analyses were performed in the students' classrooms with the assistance of peers and teachers. The results of these assessments were used to identify appropriate, functionally equivalent behaviors that the students were taught to self-monitor. Findings showed substantial decreases in inappropriate social responding and increases in the use of appropriate social skills. 相似文献
983.
Melissa J. Shirley Brian A. Iwata SungWoo Kahng Jodi L. Mazaleski Dorothea C. Lerman 《Journal of applied behavior analysis》1997,30(1):93-104
We examined the effectiveness of functional communication training (FCT) in reducing self-injurious behavior (SIB) and in shaping an alternative (communicative) response while SIB continued to be reinforced. Following a functional analysis of 3 individuals' SIB, we attempted to teach an alternative response consisting of a manual sign to each individual, using the reinforcer that maintained SIB. When FCT was implemented without extinction, SIB remained at baseline rates for all participants, and none of the participants acquired the alternative response. When extinction was added to the training procedure, SIB decreased and manual signing increased for all participants. To determine if signing, when established, would compete with SIB when both were reinforced, extinction was then withdrawn. Signing was maintained and SIB occurred at low rates for 2 individuals, but SIB returned to baseline rates for the 3rd individual, necessitating the reimplementation of extinction. These results suggest that it may be difficult to establish alternative behaviors if inappropriate behavior continues to be reinforced, but that, when established, alternative behavior might compete successfully with ongoing contingencies of reinforcement for inappropriate behavior. 相似文献
984.
John Northup Kevin Jones Carmen Broussard Gina DiGiovanni Melissa Herring Iantha Fusilier Alicia Hanchey 《Journal of applied behavior analysis》1997,30(1):121-125
To assess the drug—behavior interaction effects with an 8-year-old boy with attention deficit hyperactivity disorder, common classroom antecedent (e.g., seating arrangement) and consequent (e.g., peer prompts) stimuli were alternated within a school day while drug conditions (methylphenidate vs. placebo) were alternated across days. The results suggested that peer attention maintained disruptive behavior when methylphenidate was absent but not when it was present. 相似文献
985.
We developed a methodology, derived from the theoretical literatures on rule-governed behavior and private events, to experimentally investigate the relationship between covert verbal self-regulation and nonverbal behavior. The methodology was designed to assess whether (a) nonverbal behavior was under the control of covert rules and (b) verbal reports of these rules were functionally equivalent to the covert rules that control nonverbal behavior. The research was conducted in the context of teaching shopping skills to persons with mild intellectual disabilities using a self-instruction training format. In Phase 1, 4 participants were successfully taught to perform shopping skills using overt and covert self-instructions. The self-instructions were then blocked under overt and covert self-instruction conditions, which resulted in a reversal of shopping skills to baseline levels. This indicated that the overt and covert self-instructions might be controlling responding. In Phase 2, we demonstrated that the self-instructions, when used as external directives, produced successful shopping with 3 other participants. By demonstrating that self-rules can produce correct responding when used as external directives, we were more confident that it was the self-instructions and not other verbal or nonverbal behavior that controlled responding under overt, covert, and blocking conditions in Phase 1. 相似文献
986.
The search for a narrative in acute psychosis exists but the result of this search can be insufficient because the stories available do not sufficiently capture the pre-narrative quality of personal experience, and hence the sense of agency may be diminished. The context of reflexivity is lost when a subjugating story blocks an individual off from making a choice from among a multiplicity of stories. Psychosis can also be an escape in order to maintain a sense of agency. When the patient has trouble in creating meaning through narrative action, the aim of therapy and treatment is to open a channel through which the pre-narrative quality of life can become narrated, to create a multiplicity of stories, and so offer the possibility of choice in the construction of a narrative identity. 相似文献
987.
Thomas St. James O'Connor Elizabeth Meakes M. Ruth Pickering Martha Schuman 《Contemporary Family Therapy》1997,19(4):479-495
This article presents an ethnographic research on eight families' experience of narrative therapy and discusses six major themes found in the interviews including externalizing conversation, developing the alternate story, personal agency, reflecting/consulting teams, building a wider audience, and the helpful and unhelpful aspects of the therapy. The findings and the notation that families found the therapy to be very effective are also included. 相似文献
988.
Henk A. L. Kiers 《Psychometrika》1997,62(4):579-598
Factor analysis and principal components analysis (PCA) are often followed by an orthomax rotation to rotate a loading matrix to simple structure. The simple structure is usually defined in terms of the simplicity of the columns of the loading matrix. In Three-mode PCA, rotational freedom of the so called core (a three-way array relating components for the three different modes) can be used similarly to find a simple structure of the core. Simple structure of the core can be defined with respect to all three modes simultaneously, possibly with different emphases on the different modes. The present paper provides a fully flexible approach for orthomax rotation of the core to simple structure with respect to three modes simultaneously. Computationally, this approach relies on repeated (two-way) orthomax applied to supermatrices containing the frontal, lateral or horizontal slabs, respectively. The procedure is illustrated by means of a number of exemplary analyses. As a by-product, application of the Three-mode Orthomax procedures to two-way arrays is shown to reveal interesting relations with and interpretations of existing two-way simple structure rotation techniques.This research has been made possible by a fellowship from the Royal Netherlands Academy of Arts and Sciences to the author. The author is obliged to Jos ten Berge and two anonymous reviewers for useful comments on an earlier version of this paper. 相似文献
989.
The posterior analysis in estimating factor score in a confirmatory factor analysis model with polytomous, censored or truncated data is investigated in this paper. For the above three types of data, posterior distributions of the factor score are studied, and the estimators of the factor score are obtained to be the location parameters of the posterior distributions. The accuracy of Bayesian estimates is studied via simulation studies.This research was supported by a Hong Kong UGC grant. 相似文献
990.