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131.
132.
Brian A. Iwata Jon S. Bailey Katrina M. Brown Terry J. Foshee Michael Alpern 《Journal of applied behavior analysis》1976,9(4):417-431
Two experiments were conducted on four units of a residential facility for the multiply-handicapped retarded in an attempt to improve daily care and training services. Experiment I compared the effects of two procedures in maintaining the work performance of attendants, using an A-B design on two units. One procedure consisted of implementing specific staff-resident assignments, the other consisted of allowing attendants who had met performance criteria to be eligible for a weekly lottery in which they could win the opportunity to rearrange their days off for the following week. Results showed that the lottery was a more effective procedure as measured by the per cent of time attendants engaged in predefined target behaviors, and by their frequency of task completion in several areas of resident care. Experiment II replicated and extended these results to the area of work quality on two additional units, using a multiple-baseline design. The performance lottery was found to be an effective economical procedure that could be implemented by supervisory staff on a large scale. 相似文献
133.
Brian A. Iwata Stephen E. Wong Mary M. Riordan Michael F. Dorsey Merle M. Lau 《Journal of applied behavior analysis》1982,15(2):191-203
Two studies were conducted to assess and train clinical interviewing skills. In Experiment 1, eight university practicum students (“therapists”) and either role played or volunteer “clients” were audiotaped during simulated interviews. Following the collection of baseline data on both therapist and client responses, training was provided by way of written materials, classroom instruction and practice, and quizzes. Results of a multiple baseline design across subjects showed improvements in therapists' interviewing skills and subsequent increases in client responding. Experiment 2 replicated and extended the research to a hospital outpatient clinic, in which therapists interviewed the parents of children with behavior problems. In addition, four months following the completion of Experiment 2, follow-up data collected during a maintenance condition showed continued high levels of therapist and client behavior. Finally, a panel of expert peers indicated that each response category was judged highly relevant to the behavioral assessment process. 相似文献
134.
Terry J. Page Brian A. Iwata Dennis H. Reid 《Journal of applied behavior analysis》1982,15(3):335-351
This study evaluated an indirect method of training 45 institutional direct care staff to conduct behavioral programs. Three supervisors were trained to improve teaching behaviors (instructions, prompts, and consequences) used by the direct care staff while working with severely and profoundly handicapped residents. In addition to training, daily feedback was provided to supervisors regarding performance of their staff. Results of a multiple baseline analysis across teaching behaviors (instructions, prompts, and consequences) and content areas (communication and gross motor skills) showed that providing training and feedback to supervisors resulted in increases in correct teaching behavior by direct care staff. However, teaching behavior newly learned in one content area (communication) did not generalize to the other area (gross motor skills). Data collected on resident behavior showed small but noticeable improvement in terms of correct responses and attending behavior during programming. Results are discussed in terms of the benefits of a pyramidal approach to training institutional staff. 相似文献
135.
Martin T. Ivancic Dennis H. Reid Brian A. Iwata Gerald D. Faw Terry J. Page 《Journal of applied behavior analysis》1981,14(1):95-107
This study evaluated a program to teach and maintain language training interactions between institutional staff and profoundly handicapped children during a routine care task. Following baseline observations of bath sessions, staff were sequentially taught in multiple baseline fashion to vocalize more during the bath, praise child vocalizations, imitate sounds, and provide sound prompts. Procedures included a brief in-service meeting followed by a series of supervisory prompts and feedback. Results indicated that staff acquired the interaction skills in the bath sessions and that the skills generalized to another direct care task, dressing. The number of days on which components of supervision were implemented decreased from 47% of all days during the experimental conditions to 19% of the days during a 19-week maintenance period with no decrease in staff behavior. The interactions were shown not to interfere with the quality of the direct care task nor to increase the amount of time necessary to complete it. Also, some increases were noted for child vocalization frequencies. The advantages of providing therapeutic interactions during care routines are discussed along with the need for staff management techniques with long-term maintenance value. 相似文献
136.
Jennifer R. Zarcone Brian A. Iwata Timothy R. Vollmer Suneeta Jagtiani Richard G. Smith Jodi L. Mazaleski 《Journal of applied behavior analysis》1993,26(3):353-360
Three individuals with developmental disabilities participated in a study of the treatment of self-injurious behavior (SIB) maintained by negative reinforcement (escape from educational tasks). Treatment was implemented in a multiple baseline design across subjects, in which two treatments were compared in a multielement format. Both treatment conditions included an escape-extinction component in which SIB no longer produced escape. One of the conditions also included a fading component in which the frequency of instructions was initially reduced to zero and then was gradually faded back in across sessions until the instructional rate matched that of the original baseline. Results indicated that extinction alone reduced SIB to the end-of-treatment criterion in fewer sessions than did extinction plus fading for all 3 subjects. For 2 of the 3 subjects, however, there was an initial increase in the frequency of SIB at the outset of treatment with extinction (an extinction burst) that was not observed when extinction was combined with the fading component. 相似文献
137.
Jodi L. Mazaleski Brian A. Iwata Timothy R. Vollmer Jennifer R. Zarcone Richard G. Smith 《Journal of applied behavior analysis》1993,26(2):143-156
Previous research has shown that self-injurious behavior (SIB) maintained by positive reinforcement may be reduced under differential-reinforcement-of-other-behavior (DRO) contingencies. In this study, we conducted an analysis of the reinforcement and extinction components of DRO while treating the self-injury of 3 women with developmental disabilities. A functional analysis revealed that each subject's SIB was maintained by positive reinforcement in the form of attention. Subsequent reinforcer assessments identified preferred and nonpreferred stimuli for later use in conjunction with DRO. Results showed high rates of SIB for all 3 subjects during baseline, which persisted when DRO was implemented without the relevant extinction component (withholding of attention for SIB) for 2 of the subjects. Low rates of SIB were observed for all subjects when DRO plus extinction was implemented or when extinction was implemented alone, suggesting that extinction may be a critical component of DRO schedules. 相似文献
138.
139.
George A. Thompson Brian A. Iwata Holly Poynter 《Journal of applied behavior analysis》1979,12(3):325-333
Pathological tongue thrust (reverse swallowing) has been associated with neuromuscular disorders and linked to dental malocclusion, articulation problems, difficulty in eating, and excessive drooling. In this study, observable tongue thrust in a 10-year-old retarded male was modified during mealtime using a procedure consisting of differential reinforcement (presentation of food contingent upon tongue in) and punishment (gently pushing the tongue back into the mouth with a spoon). Results of a reversal design showed substantial decreases in tongue thrust and food expulsion, and a large increase in observed chewing. These data compared favorably with data obtained for other retarded persons not judged to be tongue thrusters; in addition, the objective results of the treatment program were substantiated via pre-post evaluations done by occupational and physical therapists. These findings suggest that operant techniques may be an effective means of treating tongue thrust and its associated problems, and that further development and evaluation of behavioral interventions may provide a desirable alternative to more intrusive surgical or mechanical procedures. 相似文献
140.
Bridget A. Shore Brian A. Iwata Timothy R. Vollmer Dorothea C. Lerman Jennifer R. Zarcone 《Journal of applied behavior analysis》1995,28(3):323-332
We implemented a pyramidal training procedure for staff working with individuals who exhibited self-injurious behavior (SIB), aggression, and disruption. Two adults with developmental disabilities and their direct-care staff and supervisors participated. Following successful treatment by the experimenters, two types of baselines were conducted with the clients and their direct-care staff. During an initial baseline, the staff implemented preexisting procedures. Staff members then received instruction on the new treatment procedures using training methods common throughout the institution, and data were collected during this “post-in-service” baseline. Experimenters then taught unit supervisors to implement treatment, collect and interpret data, and provide similar instructions and feedback to the staff members. The supervisor training was implemented in a multiple baseline design across subjects (clients and direct-care staff). Results showed little change following in-service training but noticeable improvements in direct-care staff behaviors and corresponding decreases in the clients' inappropriate behavior following the pyramidal training intervention with supervisors. Six additional clients (along with their direct-care staff and supervisors) participated in pre- and posttreatment replication designs, and their results provided additional support for the efficacy of the supervisor training procedures. 相似文献