Table 2.

Similarity matrix of Ochiai coefficients for high frequency keywords (parts).

	Painting therapy	Art therapy	Painting art therapy	Schizophrenia	Fine art therapy	Expressive art therapy	University students	Mental health education	Autistic children
Painting therapy	1.000	0.008	0.057	0.179	0.015	0.112	0.137	0.154	0.099
Art therapy	0.008	1.000	0.000	0.090	0.015	0.000	0.120	0.155	0.079
Paint art therapy	0.057	0.000	1.000	0.104	0.000	0.000	0.060	0.000	0.069
Schizophrenia	0.179	0.090	0.104	1.000	0.000	0.029	0.000	0.000	0.000
Fine art therapy	0.015	0.015	0.000	0.000	1.000	0.000	0.032	0.108	0.111
Expressive art therapy	0.112	0.000	0.000	0.029	0.000	1.000	0.067	0.151	0.000
University students	0.137	0.120	0.060	0.000	0.032	0.067	1.000	0.363	0.000
Mental health education	0.154	0.155	0.000	0.000	0.108	0.151	0.363	1.000	0.000
Autistic children	0.099	0.079	0.069	0.000	0.111	0.000	0.000	0.000	1.000