This study analyzed the effects of a school-based mind subtraction meditation program on depression,
social anxiety, aggression, and salivary cortisol levels of 42 elementary school children in South Korea.
The research design was a nonequivalent group comparison with pretest and post-test. The experimental
group was given 8 weeks of the meditation program. The results showed social anxiety, aggression, and
salivary cortisol levels were significantly lowered in the experimental group. This demonstrated that the
school-based mind subtraction meditation program could be effective in improving psychosocial and
behavioral aspects of mental health in elementary school children.