Zeitschriftenartikel
Röcke, C.,
Hoppmann, C. A., &
Klumb, P. L. (2011). Correspondence between retrospective and momentary ratings of positive and negative affect in old age: Findings from a one-year measurement burst design.
The Journals of Gerontology: B, Psychological Sciences and Social Sciences,
66(4), 411–415. https://doi.org/10.1093/geronb/gbr024