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Video modelling and video self-modelling: Facilitating reciprocal conversation in adolescents with ASD using AAC

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AIM. The aim of this project was to investigate and compare the effectiveness of video modeling and video self-modeling in facilitating conversational turn-taking in adolescents with ASD and CCN, who use AAC.
METHOD. This project comprised two studies that used a combination of alternating treatments and multiple baseline designs. Each study was conducted across 9 sessions and involved four participants between 10-18 years old. The intervention involved the participants watching video clips of two individuals having conversations about selected topics. The models in the video clips were either the participant (VSM) or an age and gender matched peer (VM). Outcome measures included: number of scripted responses and generalisation. Maintenance and social validation were also conducted.
RESULTS: The findings of this study showed mixed results. This study demonstrated that VM and VSM are more effective when offered with additional instruction modality, like prompts. Comparison between VM and VSM also showed mixed results. For some participants VM was more effective, whilst for others VSM was more effective. Parents/teachers of participants noted positive changes, especially in terms of increased use of AAC systems for communication.
CONCLUSION: This study provides preliminary findings on the effectiveness of VM and VSM in facilitating conversation skills in adolescents with ASD and CCN. For this group of individuals, VM and VSM are more effective when supplemented with additional instructions like prompting. Given the small sample size, a study with more participants is warranted to make a conclusive judgment.


Abirami Thirumanickam    
Flinders University

Julie McMillan    
Flinders University

Parimala Raghavendra    
Flinders University

Willem van Steenbrugge    
Flinders University


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