Table 2.

Task analysis and completion criteria for tDCS device use

Task	Task completion criteria
Place batteries into device	Correct orientation of batteries
Put sponges on headband	Correct orientation of sponges
	Securely attached to headband
Plug headband into device	Correct color wire into the correct color port (red-red, black-black)
Turn on device	Pressed correct button
Initiate “stimulation” setting	Pressed correct button
Place headband on participant	Correct orientation of headband
	Remove hair underneath sponges
	Contact quality: Good