highly significantP < .001
The relationship between participants' self-reported experience of “mental activity/silence” and their self-reported experience of “calm/peaceful” and “tension/anxiety/stress” was strong and highly significant, such that the more that participants' mental activity moved toward the silent state, the more calm/peaceful ( r = 0.78, P < .001) and the less tense/anxious/stressed they felt ( r = 0.70, P < .001).