Titlebook: ;

savage

PALL

definition

Formidable

Jan Geiss,David Wortmann,Fabian Zuberwhen their assistance is costly. Expressions of gratitude also promote prosocial behavior in others, thereby showing that gratitude is a strong moral reinforcer. I conclude the chapter by summarizing the evidence with S. Algoe’s (Soc Pers Psychol Compass 6:455–469, 2012) find-remind-and-bind theory