Understanding indecisiveness: Dimensionality of two self-report questionnaires and associations with depression and indecision.

Indecisiveness is a prevalent and impairing symptom among individuals with major depressive disorder (MDD). However, the use of different self-report questionnaires and factor analysis methods in past research has been a barrier to understanding the nature of indecisiveness in depression. Addressing these barriers could help to elucidate the dimensionality and validity of indecisiveness questionnaires, which in turn would clarify the relation of indecisiveness to depression. In our study of an online sample of adults (