Open Access. Powered by Scholars. Published by Universities.®

Education Commons

Open Access. Powered by Scholars. Published by Universities.®

Special Education and Teaching

Theses/Dissertations

Autism spectrum disorder

Institution
Publication Year
Publication

Articles 1 - 30 of 68

Full-Text Articles in Education

Underserved And Underrecognized: Elevating Teaching Strategies, Special Education Eligibility, And Educational Outcomes For Grade 2-6 Girls On The Autism Spectrum, Jessica T. Ford Jan 2024

Underserved And Underrecognized: Elevating Teaching Strategies, Special Education Eligibility, And Educational Outcomes For Grade 2-6 Girls On The Autism Spectrum, Jessica T. Ford

Doctorate in Education

This study involved a qualitative exploratory case study research design and employed in-depth online interviews as the primary data collection method. Participants were former or current special education teachers in Minnesota who had worked with Grade 2-6 girls on the autism spectrum and were sourced from professional networks, educational associations, online platforms, chain sampling, and snowball sampling. This study sought to elucidate the reasons behind the underidentification of girls eligible for autism spectrum special education services, streamline their qualification process, reveal practical educational strategies for academic, emotional, and social support, and furnish accessible resources and training alternatives for classroom teachers …


Effectiveness Of An Inclusive, Small-Group Adapted Aquatics Program On Increasing Vo2max In Children With Autism Spectrum Disorder, Peggy Manuelita Scarborough Jan 2024

Effectiveness Of An Inclusive, Small-Group Adapted Aquatics Program On Increasing Vo2max In Children With Autism Spectrum Disorder, Peggy Manuelita Scarborough

Cal Poly Humboldt theses and projects

There is a need to examine the effectiveness of interventions, such as swimming, that are aimed at increasing physical health and developing psychomotor skills in an inclusive setting for children with ASD. The purpose of this study was to examine the effectiveness of an inclusive, small-group adapted aquatics program on increasing VO2max in children with ASD. Participants included two 11-year-old children diagnosed with ASD. The study took place over eight weeks and included a six-week Small-Group Adapted Aquatics (SGAA) program. Participants were assessed for VO2max using the 20m PACER test during week one and week eight …


Reducing Emergency Department Visits For Children With Autism Spectrum Disorder: Nurse-Led Home Interventions, Teri Nguyen Jan 2024

Reducing Emergency Department Visits For Children With Autism Spectrum Disorder: Nurse-Led Home Interventions, Teri Nguyen

Nursing | Senior Theses

In the realm of pediatric healthcare, children diagnosed with Autism Spectrum Disorder (ASD) face unique challenges alongside their caregivers. Caregivers face challenges in accessing appropriate support and resources to effectively address the needs of children with ASD. Children with ASD struggle with sensory sensitivities, impaired safety awareness, and difficulties perceiving potential dangers which put them at greater risk for injuries. As a result, children with autism have higher rates of emergency department visits compared to their neurotypical peers. This research aims to assess the effectiveness of nurse-led home injury prevention and education in reducing emergency department visits for children with …


Interventions Based On Mindfulness For Socio-Emotional Skill Building In Children On The Autism Spectrum: A Systematic Review, Nethnie Thilakna Nandadasa Jun 2023

Interventions Based On Mindfulness For Socio-Emotional Skill Building In Children On The Autism Spectrum: A Systematic Review, Nethnie Thilakna Nandadasa

Electronic Thesis and Dissertation Repository

Children on the autism spectrum are characterized by deficits in socioemotional skills. Previous research suggests that mindfulness is effective in improving social, emotional, and behavioural skills in a wide variety of populations. This review systematically investigated the efficacy of mindfulness-based interventions (MBIs) in improving social, emotional, and behavioural functioning in children on the autism spectrum (0-12 years of age). Furthermore, the current review discussed adaptations to traditional MBIs when implemented to children on the autism spectrum. MBIs as a potential evidence-based practice for the target population was also investigated. Eleven studies met inclusion criteria. Results indicated that MBIs led to …


Increasing The Duration Of Treadmill Walking To Reach Moderate Intensity Levels For 2 Students With Autism Spectrum Disorder (Asd), Nicholas Velazquez Jan 2023

Increasing The Duration Of Treadmill Walking To Reach Moderate Intensity Levels For 2 Students With Autism Spectrum Disorder (Asd), Nicholas Velazquez

Cal Poly Humboldt theses and projects

This study aims to increase the duration of treadmill walking to reach moderate intensity levels for 2 students with autism spectrum disorder (ASD). The researcher incorporated a token-economy board that was used to indicate total time walking and walking goals. A single case changing-criterion design was used in this study and consisted of a baseline, multiple sub-criteria intervention phase, and a follow-up phase. Results showed that there was a positive relationship between the intervention and the total walking time for each participant. Each participant met the criterion for each phase, eventually leading to meeting their overall goal for the study. …


Impact Of Self Determination Theory Amongst Individuals With Autism Spectrum Disorder And Physical Activity: Modifying A Survey, Ruben Guillermo Diaz Jan 2023

Impact Of Self Determination Theory Amongst Individuals With Autism Spectrum Disorder And Physical Activity: Modifying A Survey, Ruben Guillermo Diaz

Cal Poly Humboldt theses and projects

Prior research has expressed concern for individuals with autism spectrum disorder (ASD), who may be at risk regarding exercise and physical activity due to lack of interest, delays in motor skill development, and/or social impairment. Self Determination theory (SDT) has been suggested as an effective approach for supporting individuals with ASD across a variety of domains. SDT expresses that with the satisfaction of three fundamental psychological needs (autonomy, competence, and relatedness), higher levels of intrinsic motivation will develop which will lead to enhanced development and well-being. While SDT is an effective approach to promoting motivation, it has been suggested that …


The Transition Into Higher Education For Students With Autism Spectrum Disorders, Tj Estabrook Jan 2023

The Transition Into Higher Education For Students With Autism Spectrum Disorders, Tj Estabrook

Masters Theses

There are more students with autism spectrum disorders (ASD) in higher education now than ever before and these students need to be supported in ways that will guarantee their success. The purpose of this qualitative study was to examine the experiences of six students with ASD as they transition into higher education through the use of semi-structured interviews. What was discovered is that students with ASD typically overestimate the difficulty of academics and underestimate the amount of social interaction they will encounter at the college level. These students are able to identify aspects of themselves that help them to succeed …


Disability Label And Least Restrictive Environments: General Elementary Education Teachers’ Experiences And Perceptions, Sara Sheffler Jan 2023

Disability Label And Least Restrictive Environments: General Elementary Education Teachers’ Experiences And Perceptions, Sara Sheffler

Theses and Dissertations--Early Childhood, Special Education, and Counselor Education

The least restrictive environment (LRE) is the educational placement determined necessary for obtaining maximum educational benefits. The individualized education program (IEP) team determines the LRE after analyzing the student’s academic and behavioral data and assessing the student’s unique needs. Specific special educational labels may produce a higher-than-normal frequency of more restrictive environment decisions by the IEP team. The current study surveyed general education elementary teachers about LRE placements of a hypothetical student with either autism spectrum disorder or emotional and behavioral disorders. Teachers were provided with a hypothetical vignette of a student engaging in challenging behavior, followed by hypothetical data …


The Impact Of Antecedent Physical Exercises On Increasing On-Task Behaviors And Decreasing Restricted And Repetitive Behaviors In Elementary Students With High Functioning Autism Spectrum Disorder In Saudi Arabia, Shadi Albadawi Dec 2022

The Impact Of Antecedent Physical Exercises On Increasing On-Task Behaviors And Decreasing Restricted And Repetitive Behaviors In Elementary Students With High Functioning Autism Spectrum Disorder In Saudi Arabia, Shadi Albadawi

Electronic Theses and Dissertations

Physical exercises (PEs) are one of the most used approaches by researchers to treat restricted and repetitive behaviors (RRBs) and enhance on-task behaviors in students with high-functioning Autism spectrum disorders (ASD). Although PEs is recognized as Evidence-based Practices (EBPs) for students with ASD in the United States of America (USA) that are based on moderate evidence, it is important to conduct more empirical studies to explore its effects on individuals with ASD from different populations in the KSA. The current study used a single-subject, multiple baseline design across subjects to examine the effect of antecedent structured physical exercises (teaching soccer …


Technology-Based Self-Management Of Initiations For Students With Autism Spectrum Disorder And Low Communication Who Participate In An Alternate Assessment, Amelia Fuqua Dec 2022

Technology-Based Self-Management Of Initiations For Students With Autism Spectrum Disorder And Low Communication Who Participate In An Alternate Assessment, Amelia Fuqua

UNLV Theses, Dissertations, Professional Papers, and Capstones

Self-management as a behavioral intervention has been used with students who have autism spectrum disorder for a variety of behavioral targets, including communication. Research has been conducted on self-management of communication initiations for students who have autism spectrum disorder in primary grades through high school. The process of self-management includes monitoring one’s own behavior to change that behavior. Currently, there are no studies using technology with self-management for the initiations of students with autism spectrum disorder and low communication who also participate in an alternate assessment. The purpose of this study was a systematic replication of Newman and Ten Eyck …


A Study Of Dual-Language Preschoolers With Moderate To Severe Autism: Perspectives And Practices Of Professionals In Boston-Area Massachusetts School Districts, Susan Davison Sep 2022

A Study Of Dual-Language Preschoolers With Moderate To Severe Autism: Perspectives And Practices Of Professionals In Boston-Area Massachusetts School Districts, Susan Davison

Educational Studies Dissertations

Abstract

The rate of autism continues to increase globally across cultures and languages. Inequities exist in early access to an autism diagnosis and necessary evidence-based education and related services for dual-language children in the U.S. This qualitative dissertation study investigated the perspectives and practices of 10 educators and therapists working in the Boston area of Massachusetts with dual-language preschoolers with moderate to severe autism. Data was collected via semi-structured interviews on Zoom. Practitioners described their commitment to their students and families. Using a social constructivist phenomenological approach, the data analysis of the practitioners’ responses resulted in seven main findings. Assessment …


Strategies For Teachers To Use When Regulating Aggressive Student Behavior Related To Autism Spectrum Disorder, Kailey Dold Aug 2022

Strategies For Teachers To Use When Regulating Aggressive Student Behavior Related To Autism Spectrum Disorder, Kailey Dold

Culminating Projects in Special Education

Abstract not required.


Effectiveness Of The Social Behavior Mapping Intervention On The Social Communication Skills Of Adolescents With Autism Spectrum Disorder, Jessica Ann Donaldson Jul 2022

Effectiveness Of The Social Behavior Mapping Intervention On The Social Communication Skills Of Adolescents With Autism Spectrum Disorder, Jessica Ann Donaldson

Special Education ETDs

The purpose of this study was to evaluate the effectiveness of Social Thinking® Social Behavior Mapping (SBM) on adolescents with autism spectrum disorder. A pretest-posttest control group design with matched sampling was used. There were 22 participants between the ages of 13 and 17 who were matched by age and IQ and then were randomly assigned to either an intervention group or to a treatment-as-usual group. Results revealed that participants made significant improvements on the SBM rating scale scores and participant-reported scores on the Social Skills subscale of the Social Skills Improvement System (SSIS; Elliott & Gresham, 2008) Rating Scales. …


Representation In Visual Schedules For Individuals With Disabilities, Colleen Fowkes May 2022

Representation In Visual Schedules For Individuals With Disabilities, Colleen Fowkes

Masters Theses, 2020-current

A visual activity schedule (VAS) is an evidence-based intervention that can assist individuals to follow a routine, see what is coming next, reduce dependence on others, and aid in transitions. A VAS is a sequence of visuals (photographs, avatars, line drawings, etc.) that can be used to show the user what they are to do in a specific order. A VAS acts as a template for the task the user is supposed to accomplish. Visual schedules can be beneficial for a wide range of users; they have been seen to be especially effective when used with individuals with disabilities, autism …


Diagnosed With Autism Spectrum Disorder In Adulthood: The Often Overlooked Subdivision Of Individuals In The Autism Community, Kayla L. Piacquadio Apr 2022

Diagnosed With Autism Spectrum Disorder In Adulthood: The Often Overlooked Subdivision Of Individuals In The Autism Community, Kayla L. Piacquadio

Honors Student Research

Awareness surrounding the increasing prevalence of autism spectrum disorder and Asperger syndrome has become much more widespread in recent times. Children are diagnosed as being on the autism spectrum more than ever. However, the key here is the word “children.” We focus on the behavior, development, and well-being of our children for good reason.

While the oversaturated focus on children is entirely justified, this focus overshadows a minority within the autism community that deserves the same attention and recognition. This minority group consists of the adults who have gone years without a formal diagnosis of autism spectrum disorder or Asperger …


Using Music Training To Increase Social Responsiveness And Happiness In Children With Autism, Meghan Talarico Jan 2022

Using Music Training To Increase Social Responsiveness And Happiness In Children With Autism, Meghan Talarico

MSU Graduate Theses

Social skills are imperative for individuals’ success in their daily lives because they are applied in areas such as shared interests and cooperative work and play. This study was a replication with extension of the study on a musical treatment of social skills by Finnigan and Starr (2010). The purpose of the present study was to determine the effects of musical and non-musical interventions on the sharing and turn-taking behavior of five children with autism. The participants were four boys and one girl between the ages of 4- and 8-years-old who had a diagnosis of autism and were receiving ABA …


A Comparative Evaluation Of The Effects Of Social Skills Group Training And Computer- Based Social Skills Training, Indira Hightower Jan 2022

A Comparative Evaluation Of The Effects Of Social Skills Group Training And Computer- Based Social Skills Training, Indira Hightower

Theses and Dissertations

This applied dissertation was designed to evaluate the effects of social skills training programs as a method to improve social skills in children diagnosed with autism spectrum disorder. The study sought to advance the social skills training options for children with autism spectrum disorder by comparing various evidence-based social skills training programs in hope to provide meaningful, significant, and sustainable social-emotional changes that are explicitly taught and later generalized across individuals, settings, and environments. The researcher specifically evaluated the effects of social skills group training and computer-based social skills training among the three study participants with autism spectrum disorder.

The …


Factors Affecting Registered Behavior Technicians’ (Rbts’) Intent To Stay Or Leave: A Delphi Study, Samantha Joy Villanueva Jasa Aug 2021

Factors Affecting Registered Behavior Technicians’ (Rbts’) Intent To Stay Or Leave: A Delphi Study, Samantha Joy Villanueva Jasa

UNLV Theses, Dissertations, Professional Papers, and Capstones

Approximately one in 54 children in the United States were diagnosed with Autism Spectrum Disorders (ASD) in 2020 (Center for Disease Control and Prevention, 2020). The most common treatment for children with ASD is Applied Behavior Analysis (ABA), which uses and applies behavior analytic principles to various interventions to increase social skills, self-help skills, and communication skills, as well as decrease protest or self-stimulatory behaviors (BACB, 2021a; Dixon et al., 2017). Registered behavior technicians (RBTs; BACB, 2021d) are the individuals necessary to work directly with children with ASD providing ABA services, however, the estimated turnover rates for RBTs range from …


Content Validity Of Aba Language Assessments In The Totality Of Skinner's Verbal Operant Theory, Taylor Marie Lauer May 2021

Content Validity Of Aba Language Assessments In The Totality Of Skinner's Verbal Operant Theory, Taylor Marie Lauer

MSU Graduate Theses

Content validity describes the degree of which a measure represents all the components of the overall construct being measured. Behavior analytic language assessments are largely based on Skinner’s verbal operant theory (1957). Three behavior analytic language assessments were utilized to measure the coverage of Skinner’s verbal behavior theory: the VB-MAPP, ABLLS-R, and PEAK. The purpose of the current study was to examine the content validity of each of these assessments coverage on the totality of Skinner’s verbal operant theory. Expressive items on each of the three assessments were compared to definitions of Skinner’s verbal operants and were coded as the …


A Study Of Factors That Influence Symbol Selection On Augmentative And Alternative Communication Devices For Individuals With Autism Spectrum Disorder, William Todd Dauterman Jan 2021

A Study Of Factors That Influence Symbol Selection On Augmentative And Alternative Communication Devices For Individuals With Autism Spectrum Disorder, William Todd Dauterman

CCE Theses and Dissertations

According to the American Academy of Pediatrics (AAP), 1 in 59 children are diagnosed with Autism Spectrum Disorder (ASD) each year. Given the complexity of ASD and how it is manifested in individuals, the execution of proper interventions is difficult. One major area of concern is how individuals with ASD who have limited communication skills are taught to communicate using Augmentative and Alternative Communication devices (AAC). AACs are portable electronic devices that facilitate communication by using audibles, signs, gestures, and picture symbols. Traditionally, Speech-Language Pathologists (SLPs) are the primary facilitators of AAC devices and help establish the language individuals with …


Training Peer Mentors In Reinforcement And Modeling With Prompting (Ramp): Using Mixed Reality Simulation To Encourage Social Reciprocity Skills In Adolescents With Autism Spectrum Disorder, Jasmine V. Sadler Dec 2020

Training Peer Mentors In Reinforcement And Modeling With Prompting (Ramp): Using Mixed Reality Simulation To Encourage Social Reciprocity Skills In Adolescents With Autism Spectrum Disorder, Jasmine V. Sadler

Doctor of Education in Special Education Dissertations

Children diagnosed with autism spectrum disorder (ASD) can face many challenges, including limited ability in social reciprocity, nonverbal communication, and restrictive and repetitive behaviors and interests as a result of the disorder (APA, 2013). This hinders their ability to build and maintain friendships in the same manner as their typically developing peers and affects their interactions, speech and language abilities, and emotional regulation (Whitman & DeWitt, 2011). Peer Mentors (PMs) are trained to support the development of these skills as part of the Peer Mediated Instruction and Intervention (PMII) evidence-based practice (EBP). However, and explicit training program is not always …


Validation Of A Brief Prosody Rating Scale For Children With Autism Spectrum Disorder, Sarai S. Holbrook Aug 2020

Validation Of A Brief Prosody Rating Scale For Children With Autism Spectrum Disorder, Sarai S. Holbrook

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Differences in the speech prosody, or "melody" of speech, of persons with autism spectrum disorder (ASD) have long been noted by researchers. Yet, despite many studies, researchers have not identified a universal description of speech prosody in ASD. It may be flat or monotonous, not different from typical, or overly variable. However, atypical speech prosody can immediately set someone apart from their peers. This distinction could negatively social, academic, and vocational interactions. For those persons with ASD whose speech prosody is different from typical and interferes with daily functioning, valid, reliable, and efficient assessments of speech prosody are needed. Currently, …


The Use Of Speech-Generating Devices For Preschoolers With Autism Spectrum Disorder, Jessica Miller Jul 2020

The Use Of Speech-Generating Devices For Preschoolers With Autism Spectrum Disorder, Jessica Miller

Graduate Theses and Dissertations

The first of the following articles provides a review of the literature related to vocalizations among individuals with autism spectrum disorder (ASD) who use augmentative and alternative communication (AAC) systems, with special attention paid to speech-generating devices (SGD). After providing an overview of ASD, evidence-based practices (EBP), and AAC types and a brief history, this review evaluates studies that collected data on vocalizations in SGD-users, including both those that targeted vocalizations as a dependent variable and those that measured vocalizations as a collateral effect without directly targeting it. The goal of this review is to evaluate whether SGD use may …


Effects Of Behavioral Skills Training With In Situ Training On Workplace Conversational Skills Of Transition-Aged High School Students With Autism Spectrum Disorder, Holly N. Whittenburg Jan 2020

Effects Of Behavioral Skills Training With In Situ Training On Workplace Conversational Skills Of Transition-Aged High School Students With Autism Spectrum Disorder, Holly N. Whittenburg

Theses and Dissertations

Young adults with autism spectrum disorder (ASD) experience high rates of unemployment in the years immediately following high school (Hendricks & Wehman, 2009; Roux et al., 2015), yet very few studies to date have investigated approaches to teaching transition-aged high school students work-related social skills within competitive, integrated workplace settings. Furthermore, difficulties in developing relationships with coworkers within the workplace may negatively affect employment (Baldwin et al., 2014; Sperry & Mesibov, 2005). Research is needed that examines methods for improving interactions with coworkers.

This study investigated the effects of a behavioral skills training (BST) with in situ training intervention package …


A Review Of The Evidence Supporting Play-Based Learning For Children With Autism Spectrum Disorder, Josh Wilson Jan 2020

A Review Of The Evidence Supporting Play-Based Learning For Children With Autism Spectrum Disorder, Josh Wilson

Cal Poly Humboldt theses and projects

Autism Spectrum Disorder (ASD) has become more prevalent through more diagnosis, with about 1 in 54 being diagnosed with ASD (Center for Disease Control, 2016). With more children being diagnosed with ASD, more services are needed. Adapted Physical Education (APE) is a direct service provided for children with disabilities, and APE teachers should use proven methods to effectively and efficiently assist these children in their area of need. Play-based learning has proven to help improve many social, communication, social skill engagement and play behaviors in children with ASD so play-based learning should be utilized more within the context of APE …


Alannah, Bree And Cassie: The Abc Of Girls On The Autism Spectrum In Early Years Classrooms, Jillian Stansfield Jan 2020

Alannah, Bree And Cassie: The Abc Of Girls On The Autism Spectrum In Early Years Classrooms, Jillian Stansfield

Theses: Doctorates and Masters

The prevalence of children diagnosed with autism spectrum disorder in classrooms is an increasingly common phenomenon in schools in Australia and in many other countries. While there is increasingly growing literature on how autistic boys manage and are managed in schools, little is known about the learning needs of girls on the autism spectrum. One reason offered for this imbalance of literature is that fewer girls are diagnosed than boys, as their presentations may differ. As girls on the autism spectrum are an underdiagnosed phenotype, it is little wonder that teachers do not have adequate knowledge or strategies to support …


Socio-Dramatic Work Systems For Children With Autism Spectrum Disorder, Jorey Prange Dec 2019

Socio-Dramatic Work Systems For Children With Autism Spectrum Disorder, Jorey Prange

Theses/Capstones/Creative Projects

This capstone project assessed the integration of socio-dramatic work systems for two children with Autism Spectrum Disorder (ASD) in an inclusive preschool classroom. It provides details about Teaching Strategies GOLD assessment tool and Structured Treatment and Education of Autistic and Communication related handicapped Children (TEACCH) Work Systems. My experience working with two children with ASD shows that creating and implementing dramatic play work systems helped these two students improve their dramatic play skill progression as rated with the Teaching Strategies GOLD assessment tool.


The Effects Of A Multi-Component Social Skills Self-Monitoring Program On Two Females Diagnosed With Autism Spectrum Disorder, Mckenzie Bacon Dec 2019

The Effects Of A Multi-Component Social Skills Self-Monitoring Program On Two Females Diagnosed With Autism Spectrum Disorder, Mckenzie Bacon

MSU Graduate Theses

Individuals diagnosed with Autism Spectrum Disorder (ASD) often struggle to engage in the skills necessary to engage in a back-and-forth conversation, or reciprocal social conversations (American Psychiatric Association, 2013; Koegel, Park, & Koegel, 2014; Landa et al., 1992; Paul et al., 2004). An ABAB withdrawal design was employed to assess the use of a social skills program which consisted of 2 main components: (1) ASD on the Go module training with embedded video modeling, and (2) social skills self-monitoring with goal setting. Two participants were selected, both 13-year-old females with high-functioning ASD. During both treatment phases, participants were taught verbal …


Component Analysis Of The Cool Vs. Not Cool Procedure, Mary Yoo May 2019

Component Analysis Of The Cool Vs. Not Cool Procedure, Mary Yoo

Culminating Projects in Community Psychology, Counseling and Family Therapy

One of the characteristics of individuals with Autism Spectrum Disorder is the inability to develop the social skills needed to develop meaningful relationships. Several behavior programs have been developed to effectively teach a variety of necessary social skills. One of these programs has been proven to be effective with children with autism is the cool versus not cool procedure. There is a growing body of research that has demonstrated its effectiveness to helping teach appropriate social behaviors to individuals in this population (Au et al., 2016; Leaf et al., 2012; Leaf et al., 2015; Leaf, Leaf et al., 2016). However, …


An Evaluation Of Conventional And Progressive Discrete Trial Teaching When Teaching Receptive Labels, Elizabeth Wong May 2019

An Evaluation Of Conventional And Progressive Discrete Trial Teaching When Teaching Receptive Labels, Elizabeth Wong

Culminating Projects in Community Psychology, Counseling and Family Therapy

This study evaluated the effectiveness and efficiency of conventional DTT and progressive DTT when teaching receptive labels to three children all diagnosed with autism spectrum disorder. The conventional DTT approach used a conventional approach, which is a method of balancing the trial order and location of at least three stimuli in a teaching session. In contrast, the progressive approach DTT allowed the teacher to be flexible and assess in the moment the trial order. Using an alternating treatment design replicated for three sets and three participants, the results showed that progressive DTT was the most efficient and effective procedure for …