Figure 10.
Questions related to Tongue Drive System (TDS) usability compared with other assistive technologies. AT = assistive technology, PQ = poststudy system usability questionnaire question, PWC = powered wheelchair, SnP = sip-and-puff.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.