title: Biases resulting from the use of indexes: an application to attributional style and depression.
authors.forename: J M
authors.initials: JM
authors.lastname: Perloff
authors.forename: J B
authors.initials: JB
authors.lastname: Persons
mesh_terms: D003866:Depressive Disorder / Q000523:psychology*; D006778:Hospitals, Psychiatric; D006801:Humans; D011581:Psychological Tests; D011594:Psychometrics; D012718:Set, Psychology