Assertion: gratitude's effect | /r/HasProperty | explained by the act
Facets:
value: partly
type: DEGREE
value: with optimism
type: OTHER
value: with hope
type: OTHER
Source sentences:
text: We should be wary, he says, of leaping to conclusions about how a gratitude diary can improve mental health: the positive effects may be partly explained by the act of doing something for oneself, with hope and optimism.