Table 7.

Comparison of mean values and t-tests for each question in the postexperimental questionnaire.

No.	Contents of question	Average value (normal monkey hand)	Average value (reversed monkey hand)	Difference in means	p-value (two-sided t-test)
Q1	After moving my four fingers freely, I felt like my thumb wasn't there	0.03	−1.56	1.59	0.0003
Q2	I felt that the hand was originally a four-fingered palm, rather than a five-fingered hand with the thumb missing	−0.28	−1.84	1.56	0.0001
Q3	I felt that the four-fingered palm was my palm.	1.50	0.53	0.97	0.0393
Q4	I felt that my four fingers were free to move	2.13	1.69	0.44	0.2250
Q5	I felt that the arm with the palm and four fingers was newly added	−2.28	−2.41	0.13	0.3795
Q6	I felt that my invisible thumb had moved somewhere else on my body	−2.13	−2.38	0.25	0.3399
Q7	I felt that the skin of my four fingers had a different texture than my palms	−1.03	−1.44	0.41	0.3525
Q8	I felt that my palm was covered with a four-fingered palm	−1.97	−1.97	0.00	1.0000
Q9	In Experiment 1, I felt that I was touching something other than my own hands	−1.78
Q10	I felt pain when I touched my hand in Experiment 1	−2.88