Effectiveness of combining tangible symbols with the Picture Exchange Communication System to teach requesting skills to children with multiple disabilities including visual impairment

Final Quality and Data Extraction Decisions

Age: 

  • 6-11.9 years
  • 12-14.9 years

Domains: 

  • Communication

Intervention: 

  • Augmentative and alternative communication
  • Picture Exchange Communication System (PECS®)