Upward Spirals of Gratitude and Positive Affect in Daily Life: a Time-lagged Ecological Assessment Study

The sample consisted of 106 participants (Mage = 39, SDage =15, range 18 – 65) among which 43 men (41%), that completed on average 46 (68%) out of 70 diary assessments (SD = 12; Min = 23, Max = 70), resulting in a total of 4,870 observations.