Self-assessment of patterns of subjective experience: development and psychometric study of the States of Mind Questionnaire.

States of mind are forms of subjective experience that involve cognitions, emotions, needs, desires and physical sensations, subjectively, some charged with emotional suffering and some charged with well-being. This study presents a new questionnaire designed of States of Mind Questionnaire (SMQ), focused on the self-assessment of recurring patterns of subjective experience. We first review the literature leading to the development of SMQ and then we investigate its psychometric properties.