title: Depression and the frequency and strength of pleasant events: exploration of the Staats-Heiby theory.
authors.forename: G D
authors.initials: GD
authors.lastname: Rose
authors.forename: A W
authors.initials: AW
authors.lastname: Staats
mesh_terms: D000328:Adult; D003866:Depressive Disorder / Q000523:psychology*; D005260:Female; D006801:Humans; D008016:Life Change Events; D008297:Male; D009042:Motivation; D011581:Psychological Tests