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We conducted a modified paired‐choice preference assessment and used a multielement design to examine the effects of noncontingent access to high‐ and low‐preference music on vocal stereotypy exhibited by children with autism. For 3 of the 4 participants, high‐preference music (a) produced lower levels of vocal stereotypy than low‐preference music and (b) reduced vocal stereotypy when compared to a no‐interaction condition. Results underscore the potential importance of assessing musical preference prior to using noncontingent music to reduce vocal stereotypy.  相似文献   

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This study determined the effects of procedures designed to “enrich” the physical and social environment of an institutional ward on the “adaptive” and “maladaptive” child, adult, self, and object-directed behaviors of five profoundly retarded ambulatory females. Behavior observed in two treatment conditions, an environment “enriched” with toys and objects and an “enriched” environment coupled with differential reinforcement of adaptive behavior, was compared to behavior occurring in corresponding baseline or “austere” conditions and during a period of noncontingent reinforcement. The results generally revealed: (1) little change in adaptive and maladaptive child and adult-directed behavior across conditions, (2) an overall higher incidence of adaptive object-directed behavior and reduced self-directed maladaptive behavior in each treatment condition from that observed in corresponding control conditions, and (3) the use of an “enriched” environment and differential reinforcement of adaptive behavior resulted in maladaptive self-directed behavior being reduced and adaptive object-directed behavior being increased beyond that observed in the “enriched” environment alone. These behavioral gains were largely maintained during a follow-up condition by continuing the “enriched” environment and transferring the responsibility for differential reinforcement to direct-care staff.  相似文献   

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This study used a multielement baseline design to analyze the effects of token rewards delivered contingent upon completion of math problems by 2 middle-school boys. Time spent on math and number of work pages completed increased (with high accuracy) during reward conditions and were maintained during fading and withdrawal. At follow-up, time spent and work pages completed remained well above baseline for 1 boy and fell below for the other, while accuracy remained high and ratings of liking math were the highest possible for both boys. Overall, the results are inconsistent with warnings about use of token rewards to motivate children.  相似文献   

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The effects of prompting and social reinforcement directed to target subjects on their social behavior and that of peers who never received prompting and reinforcement for positive social behavior, were examined. In a combined reversal and multiple-baseline design, three behaviorally handicapped preschool boys who exhibited divergent social behavior repertoires and varied histories with social reinforcement events, were sequentially exposed to intervention conditions in order to investigate “spillover” of treatment effects. Prompting and reinforcement increased positive social behavior and decreased negative social behavior emitted by all target subjects. The results also demonstrated a “spillover” effect on two target subjects, who at various times were not under intervention, and on the peers as well. The findings suggest that: (a) the direct and indirect effects of intervention procedures may be enhanced by designing treatment based on the social repertoire and reinforcement histories of the subjects; and (b) the treatment “spillover” effect may be increased by applying procedures to two children at once, rather than to one at a time.  相似文献   

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The effectiveness of functional communication training (FCT) as a treatment for behavior disorders has been attributed to a number of variables, one of which is the individual's ability to exert control over the delivery of reinforcement. We evaluated this component of FCT by exposing individuals to conditions in which their behavior either did or did not affect the delivery of reinforcement. Three adults with mental retardation who engaged in self-injurious behavior (SIB) participated. Following a functional analysis of their SIB, the effects of FCT were compared to those of noncontingent reinforcement (NCR) in a multielement design. The amount of reinforcement during both conditions was equated by yoking the schedule of reinforcement during NCR sessions to that in effect during FCT sessions. Results indicated that FCT and NCR were equally effective in reducing the SIB of all participants and suggest that control over reinforcement delivery may not affect the degree to which FCT produces behavioral suppression. However, a different benefit of FCT was evident in the results: More consistent increases in the alternative response were observed during the FCT condition than during the NCR condition.  相似文献   

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Abstract: In this article I distinguish a type of justification that is “epistemic” in pertaining to the grounds of one's belief, and “practical” in its connection to what act(s) one may undertake, based on that belief. Such justification, on the proposed account, depends mainly on the proportioning of “inner epistemic virtue” to the “outer risks” implied by one's act. The resulting conception strikes a balance between the unduly moralistic conception of William Clifford and contemporary naturalist virtue theories.  相似文献   

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The multimodal counseling model is based on the notion that a client's concerns can be dealt with most successfully when the counselor or therapist treats several aspects of a client's functioning. The multimodal model uses the acronym BASIC ID to identify the areas of client functioning that frequently need to be treated. These areas include behavior, affect, sensation, imagery, cognition, interpersonal relations, and drugs. The D mode, which represents drugs, is a misunderstood aspect of the BASIC ID partly because it does not seem to parallel other aspects of the model. Over the past few years the D mode has been expanded to include more than drugs, in particular, to include diet and other physiological factors. This article describes the evolution of the D mode and attempts to show the importance of a physiological dimension to the multimodal counseling approach.  相似文献   

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Messages received from other social actors cannot always be taken at face value. When people have reason to question such messages, it is hypothesized that they engage in a cognitive process called “second-guessing,” wherein they reevaluate the literal interpretation of the message to determine its veridicality. Should they determine that it is not veridical, they generate an alternative, potentially more plausible interpretation. We assessed the frequency and importance of situations that might provoke reinterpretation of messages. Such situations were seen as occurring frequently and were of some importance. Social actors revealed sophisticated knowledge concerning the strengths and weaknesses of information obtained about people or events outside their direct experience. They also claimed to be able to “debias”such information, winnowing a “correct” interpretation from one judged to be “incorrect.” Preliminary data suggest that naive social actors are quite good at delecting scientifically documented sources of bias and making reasonable adjustments in their judgments to correct for those biases when plausibly present.  相似文献   

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The purpose of this paper is to reconstruct a Christian theology of “hospitality” through a critical reading of Jacques Derrida and Friedrich Nietzsche as well as through an in‐depth biblical and theological reflection on the ethics of hospitality. Out of this reconstructive investigation, I propose a new Christian ethics of hospitality as a radical kind. As a new paradigm, this radical hospitality is distinguished from other types in that it is no longer conceived on the model of “gift”. The new Christian ethics of hospitality is rather reconstructed on the model of “forgiveness” by critically appropriating the concept of “invisible debt” that lies between the hosting citizens and the migrants in the senses of “you owe us your presence” and “I owe you my security and success.” While the hospitality of the gift defines the relationship between the hosting citizens and the migrants as givers and givees, the new paradigm of hospitality identifies this relationship as between creditors and debtors. In this regard, a new Christian hospitality called for unto citizens of the hosting society is a radical kind that challenges them to transcend the creditor‐debtor consciousness.  相似文献   

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Results of brief functional analyses indicated that motor and vocal stereotypy persisted in the absence of social consequences for five participants diagnosed with autism spectrum disorder (ASD). Subsequently, effects of a stimulus control procedure involving contingent reprimands for each participant's higher probability (targeted) stereotypy were evaluated. Results indicated that contingent verbal reprimands (i) decreased the targeted stereotypy for all five participants, (ii) decreased the untargeted stereotypy for two of five participants, and (iii) increased the untargeted stereotypy for one of five participants. Although response suppression was not achieved for any participant, three participants maintained low levels of the target stereotypy with one or two reprimands during 5‐min sessions. Furthermore, two of those participants maintained near‐zero levels of motor and vocal stereotypy during 10‐min sessions. These findings suggest that signaled verbal reprimands may be a practical intervention for reducing stereotypy in some children with ASD. Some limitations of the findings and areas of future research are briefly discussed. Copyright © 2014 John Wiley & Sons, Ltd.  相似文献   

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