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  Partner: UNT Libraries
 Department: Department of Behavior Analysis
 Degree Level: Master's
Immediate and subsequent effects of response blocking on self-injurious behavior.

Immediate and subsequent effects of response blocking on self-injurious behavior.

Date: August 2006
Creator: Atcheson, Katy
Description: Abstract In many institutional settings, blocking, response restriction (e.g., restraint, protective equipment), and re-direction procedures are used extensively as intervention for self-injurious behavior (SIB) and other forms of problem behavior. In the current study, a three component, multiple-schedule analysis was used to examine the immediate and subsequent effects of blocking on SIB that persisted in the absence of social reinforcement contingencies. During the first and third components the participant was in the room, alone, with no social consequences for SIB. During the second component (response restriction) the therapist sat in the room with the participant and blocked occurrences of SIB. Results indicated that, although blocking was effective in decreasing SIB while it was being implemented, subsequent effects were idiosyncratic across participants. Evidence of increased levels of SIB following blocking was observed for some participants.
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Correspondence between verbal behavior about reinforcers and performance under schedules of reinforcement.

Correspondence between verbal behavior about reinforcers and performance under schedules of reinforcement.

Date: August 2006
Creator: Bekker-Pace, Ruthie
Description: Important advancements have been made in the identification of reinforcers over the past decade. The use of preference assessments has become a systematic way to identify preferred events that may function as reinforcers for an individual's behavior. Typically, preference assessments require participants to select stimuli through verbal surveys or engagement with stimuli as preferred or non-preferred. Not all studies go on to directly test the effects of the preferred stimuli, and even fewer studies directly test for the effects of the non- preferred stimuli. The present study systematically identified preferred and non-preferred stimuli in adult human subjects by verbal report and then proceeded to test the effects of both verbally reported preferred and non preferred events on single and concurrent schedules of reinforcement. The results are discussed in terms of contemporary concerns regarding preference and reinforcer assessments.
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Comparison of client attendance, attrition, and outcomes in 2 class system packages.

Comparison of client attendance, attrition, and outcomes in 2 class system packages.

Date: August 2008
Creator: Berends, Valori
Description: Using the principles of systems analysis as a guide, this study compared two class schedule formats used by Behavior Management and Parenting Services (BMAPS) in order to address the following research questions: 1) What effects do 2 different class formats have on student attrition and appointment keeping? 2) What effects do 2 different class formats have on student outcomes on a pre and posttest assessment? 3) What effects do 2 different class formats have on staff procedures? BMAPS provides parent education to individuals referred by Child Protective Services. The current research included approximately 200 referred clients with an appointment or class scheduled with BMAPS between January 1, 2006 and September 22, 2007. Data was collected by reviewing client files for class attendance and performance records. Results of this study allow BMAPS to enlist the class format that is correlated with better attrition rates and client outcomes.
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The Effects of Interspersed Trials and Density of Reinforcement on Accuracy, Looking Away, and Self-injurious Behavior of a Child with Autism

The Effects of Interspersed Trials and Density of Reinforcement on Accuracy, Looking Away, and Self-injurious Behavior of a Child with Autism

Date: May 2000
Creator: Ybarra, Rita
Description: This research examines the effects of task interspersal and density of reinforcement on several behaviors of an autistic 6-year-old boy during the performance of a visual matching task and two auditory matching tasks. Experiment 1 investigated the effects of interspersing high and low accuracy tasks on correct matching responses, positions of matching responses, looking away, and self-injurious behavior (SIB). The effects of interspersed trials were evaluated using an ABAB multiple treatments design. Results indicated that interspersed trials produced slightly more correct responses during the visual matching task; however, correct responses decreased during the other two tasks. The use of interspersed trials also decreased looking away from the stimuli and SIB. Experiment 2 evaluated the effects of reinforcement density apart from task interspersal. Two conditions, reinforce-corrects-only and reinforce-all-responses, were compared in Experiment 2. Correct responses increased slightly for all three tasks during the reinforce-all-responses condition. Looking away and SIB were very infrequent throughout Experiment 2.
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The effects of alternative contingencies on instruction following.

The effects of alternative contingencies on instruction following.

Access: Use of this item is restricted to the UNT Community.
Date: May 2003
Creator: Patti, Nicole
Description: The purpose of this experiment was to evaluate the effects of alternative contingencies on instruction following by an ABA design. Three college students consistently pressed keys 1-5-3 and 4-8-6 in the presence of the written instruction "Press 153" or "Press 486." During condition A, the contingencies for following and not following the instruction were the same: CON FR5 FR5 and CON FR20 FR20. During condition B, the contingencies for following and not following the instruction were different: CON FR20 FR5. For one participant, the schedule of reinforcement was then changed to FR30. The results showed that subjects followed instructions when the schedule of reinforcement was the same for instruction following and not following.
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Topographical analysis of reinforcement produced variability: Generalizations across settings and contingencies.

Topographical analysis of reinforcement produced variability: Generalizations across settings and contingencies.

Date: August 2007
Creator: Gomez, Francisco
Description: This study evaluated the effects of programming a variability contingency on one object and the generalization of variability across other objects and contingencies when the defining features of the variable responses were topographical differences. A dog's interactions with five different objects were measured under both ANY (where any physical contact with the object would be reinforced on a fixed ratio schedule) and the VAR contingencies (where only the novel responses per trial would be reinforced). The ANY contingency produced stereotyped responding of behavior with all objects. When one of the dog-object interactions was changed to the VAR contingency, a marked decrease in stereotypic behavior and an increase in novel responses in the form of topographical combinations were observed across both contingencies.
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Increasing activities and interests in a child dually diagnosed with PDD-NOS and DS.

Increasing activities and interests in a child dually diagnosed with PDD-NOS and DS.

Date: August 2008
Creator: Zeug, Nicole M.
Description: Expanding interests may be a behavioral cusp, resulting in widespread changes across skills, and therefore is particularly relevant in intervention programs for children with autism. Little research has addressed directly increasing the diversity of activities and interests for this population. This study describes a program developed to increase activities and interests in a girl dually-diagnosed with pervasive developmental disorder (PDD-NOS) and Downs syndrome (DS). A multiple-baseline design across stimuli was employed to evaluate the program. The results show that the program increased number of total and different toy interactions. No effects were observed for overall duration of toy interactions. Results are discussed in relation to play skill instruction and preference assessment literature, the cusp, and autism intervention programs.
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Choices in Reinforcer Delivery

Choices in Reinforcer Delivery

Date: August 2008
Creator: Law, Sarah Ann
Description: The current study consisted of two experiments, both of which were comparisons of choice conditions replicated across four participants. Four typically-developing pre-school children participated in this study. Experiment 1 evaluated participants' preference for choosing consequent stimuli prior to engaging in academic tasks (pre-session choice) versus choosing consequent stimuli each time criterion for reinforcement had been met within the session (within-session choice). In Experiment 2, preference for choice-making was evaluated when outcomes for both choice and no-choice conditions were identical. For two participants, results indicated strong preference for choice-making.
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Developing a function-based treatment for problem behavior using a structured descriptive assessment.

Developing a function-based treatment for problem behavior using a structured descriptive assessment.

Date: August 2007
Creator: Harris, Curtis Joe
Description: This study evaluated the utility of structured descriptive assessment (SDA) to generate a hypothesis regarding the operant function of problem behavior when the analogue functional analysis (FA) failed to evoke problem behavior for an adult with developmental disabilities. The effectiveness of interventions based on that hypothesis was evaluated in the natural environment. The SDA succeeded in producing a relatively controlled baseline of problem behavior where the FA and direct observation could not. However, the extent to which treatment procedures affected problem behavior could not be determined due to confounding variables outside the control of the experimenter. The results provide cautionary evidence highlighting both the potential utility of SDA and challenges that may be encountered when conducting SDA and evaluating treatments in natural environments.
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Toward a systematic evaluation of evaluating favorable conditions in a parent training program: The pursuit of happiness.

Toward a systematic evaluation of evaluating favorable conditions in a parent training program: The pursuit of happiness.

Date: August 2007
Creator: Broome, Jessica L.
Description: Research has shown that parents of children with disabilities, such as autism, experience significantly higher stress levels than parents of typically developing children. It has been suggested that parent education programs, in particular naturalistic communication training, will reduce parental stress. Most of the literature in this area has relied on parental reports and has only focused on decreasing stress and has not directly addressed increasing alternate feelings, such as happiness. In different but related areas of behavior analysis, an emphasis has been placed on the importance of happiness as a quality of life indicator and that the development of multileveled assessment is sorely needed. This study was designed to analyze one set of measures within a data-based intervention program for parents of toddlers with autism. The Family Connections Project (FCP) is a parent training project designed to enhance the quality of relationships for families who have toddlers with autism. Within this project parents are taught to identify and arrange opportunities to interact with their children in ways that will increase motivation and social responsivity. This study looked at the collateral effects of this training program and investigated if FCP affected the relationship between parents and their toddlers; of particular interest ...
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