Strengths in older adults: differential effect of savoring, gratitude and optimism on well-being.

: The present study aimed to compare the efficacy of three separate strengths training-based interventions - Gratitude, Savoring, and Optimism - in older adults. : The sample comprised 124 older adults, namely, 74 women and 50 men, non-institutionalized individuals who regularly attend day centers in the provinces of Jaén and Córdoba, southern Spain. Their ages ranged between 60 and 89 years.