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Assessing The Effectiveness Of A Picture Exchange Communication System On Increasing Manding And Vocal Speech In Identical Twin Adults With Autism, Laura C. Hilton
Assessing The Effectiveness Of A Picture Exchange Communication System On Increasing Manding And Vocal Speech In Identical Twin Adults With Autism, Laura C. Hilton
Dissertations
This study examined the effectiveness of a Picture Exchange Communication System (PECS) on increasing manding (i.e., making requests) and spontaneous vocalizations. Participants were a set of identical twin adult women, both with a diagnosis of autism. The main dependent variable was the number of mands emitted by the participants while utilizing PECS. During each phase of training, participants had to meet a specific criterion before receiving a preferred item. Once the participants met the criterion for each phase of PECS training, a new phase began. Spontaneous vocalizations were tracked during each phase of training to determine if, as previous studies …
An Attempt To Establish Approval As A Learned Reinforcer, Kelly T. Kohler
An Attempt To Establish Approval As A Learned Reinforcer, Kelly T. Kohler
Dissertations
Approval does not function as a powerful reinforcer for many children with autism, making it difficult to reinforce appropriate behavior in a functional and consistent manner. The current study first assessed the effects of establishing approval (“Nice,” accompanied by a smile and nod) and nonsense words as discriminative stimuli, with the intent that they might also become learned reinforcers. We conducted several experiments to assess the effectiveness of approval as a reinforcer, including tests on learning new responses (receptive, expressive, freeoperant, and simple simultaneous discriminations) and tests on the performance of previously mastered responses (receptive and expressive responses). Despite the …
The Gender Of Participants In Published Research Involving People With Autism Spectrum Disorders, Erin Watkins
The Gender Of Participants In Published Research Involving People With Autism Spectrum Disorders, Erin Watkins
Masters Theses
Research articles involving participants with an autism spectrum disorder and published from 2010-2012 in Autism, Journal of Autism and Developmental Disorders, Journal of Child Psychology and Child Psychiatry, and Research in Autism Spectrum Disorders were examined to determine the reported gender of participants. The overall male:female ratio was 4.62, which is similar to that reported in epidemiological studies, but the ratio was 6.07 in intervention studies. These findings suggesting that males were in a statistical sense over-represented in intervention studies, but not in other kinds of research. Most (82.21%) of these studies included both male and female participants, but …