Table 2. Questionnaire statements for the three handed paradigm.

	Questionnaire statements
Q1	It felt natural for me to control three hands simultaneously.
Q2	It was easy for me to control the third hand by foot.
Q3	I got confused with the number of tasks that I had to perform simultaneously.
Q4	It was physically tiring for me.
Q5	It was mentally tiring for me.
Q6	I felt as if the virtual third hand was my own.
Q7	I felt as if my foot was turning into the third hand.
Q8	I felt as if my real hands were turning into the ‘virtual’ hands.