Siblings are a critical part of lifelong support for individuals with autism spectrum disorder (ASD). But siblings face their own social-emotional adjustment needs. These needs may be addressed through programs that include support groups specifically for the siblings. This study examined the effects of a community program on typical siblings' depression, anxiety, ASD knowledge, and peer network as well as reciprocal interactions between the typical sibling and sibling with ASD. The program provided a sibling support group, a skills intervention for children with ASD, and an inclusive recreation time. Siblings reported significant decreases in depression and physiological anxiety and improvements in their peer network. Autism knowledge increased but only approached significance. Direct observations revealed improvement in reciprocal interactions by most children that did not reach statistical significance. Parents, typical siblings, and interventionists indicated positive reactions to the program and its goals and outcomes. Findings are discussed in terms of the need to continue to explore interventions for siblings of children with ASD.
Recent research has demonstrated that some participants prefer to complete a larger series of responses in exchange for a longer duration of reinforcer access, rather than completing fewer tasks associated with smaller, but more frequent, reinforcer access. This review provides a summary of this line of research, examines variables contributing to participant preference and performance under different response-reinforcer arrangements, and discusses limitations and areas for future research.
Research has demonstrated that most-to-least (MTL) and least-to-most (LTM) prompting are effective in helping children with Autism Spectrum Disorders acquire a variety of new skills. However, when directly compared to one another, the efficiency and efficacy of the prompting procedures have been variable. The inconsistencies in the literature could be due to selecting prompt topographies that do not promote correct responding. To address this, the present study began by assessing different prompt topographies and then compared most-to-least (MTL) and least-to-most (LTM) prompt-fading with only prompt topographies that were potent enough to promote correct responding. The subsequent comparison of prompt-fading procedures revealed that MTL prompting was more effective and efficient than LTM prompting for all three participants. Further implications for practice and future research are discussed.Keywords Least-to-most . Most-to-least . Prompt . Prompting . Prompt-fading Children with autism spectrum disorders (ASDs) often require prompts to learn new behaviors and prompt-fading strategies to transfer stimulus control from the prompt to the naturally occurring discriminative stimuli. Two of the most commonly used prompt-fading procedures are most-to-least (MTL) and least-to-most (LTM) prompting (Libby et al., 2008). These procedures employ the same prompt topographies, including verbal, gestural, and physical prompts; however, they differ in the order in which the prompts are presented. MTL fading sequences order prompt topographies from the most intrusive (e.g., physical prompts) to the least intrusive (e.g., verbal). In LTM fading, prompt sequences are arranged in the opposite order.Both MTL and LTM prompting can effectively improve independent responding when compared to baseline levels of responding or control procedures (for a review, see Demchak 1990). A few studies have directly compared the effectiveness and efficiency of these two popular procedures (Libby et al. 2008;McConville et al. 1998;Walls 1981). In all of these studies with the exception of Libby et al. (2008), MTL and LTM procedures were similarly effective; however, efficiency outcomes were variable across participants and different measurements of efficiency.Of the aforementioned studies, Libby et al. (2008) conducted the most systematic analysis and comparison of MTL and LTM procedures. In the first experiment, a direct comparison of the procedures revealed that three of five participants met a mastery criterion with both procedures, whereas the other two participants only met a mastery criterion with the MTL procedure. Therefore, overall, the MTL procedure was more effective than the LTM procedure in this experiment. Efficiency data, on the other hand, were variable across dependent variables. The LTM procedure was more efficient for the three participants who met a criterion with this procedure when considering trials to criterion; however, the MTL procedure was more efficient for all participants when considering errors to criterion....
This study examined the effects of presession attention on the acquisition of tacts (Experiment 1) and intraverbals (Experiment 2) in children diagnosed with autism. Each participant experienced 3 conditions. In the first 2 conditions, participants experienced a 15‐min interval of either presession attention (PA) or no presession attention (NPA) followed by a teaching session. The third condition was a control condition. Across experiments, all participants acquired the verbal operants assigned to the NPA condition, whereas only 4 of the 6 participants acquired the verbal operants assigned to the PA condition. Five of the 6 participants required fewer sessions to meet the mastery criterion and a shorter duration of training for the verbal operants assigned to the NPA condition as compared to the PA condition. These outcomes suggest that antecedent manipulations traditionally reserved for mand training can positively affect the acquisition of other verbal operants. Theoretical implications are discussed.
The purpose of this study was to evaluate treatment procedures for problem behavior maintained by escape from attention in the form of conversation for a child diagnosed with autism spectrum disorder. After conducting a functional analysis that confirmed this function, we implemented a preference assessment to identify some forms of attention that were not aversive. Treatment consisted of four conditions, implemented in a series of reversals. During each condition, the participant chose from some of the following concurrently available options: three forms of attention, escape from conversation, and escape from conversation with a 2‐min delay. We implemented the delay to reduce (devalue) the reinforcing value of escape from conversation. The participant preferred escape from conversation to social interaction when all four consequences were available immediately. When escape from conversation was possible with a delay, the participant's preference changed to social interaction. Implications for clinical practice and future research are discussed.
Simultaneous prompting has been effective in teaching a variety of skills, of different levels of complexity, to children with learning difficulties. The current study replicated and extended previous research by teaching three children with Autism to calculate elapsed time. Elapsed time is the duration from a start to end time. When the minutes of the start time are greater than the end time, regrouping is necessary. Simultaneous prompting was used to teach participants to discriminate the type of problem and engage in the respective behavior chain for problems that required (5-step) and did not require (3-step) regrouping. Results demonstrated that all three participants readily acquired the respective behavior chains and were able to accurately report the elapsed time for both types of problems.
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