Item bank measurement of depression: will one dimension work?

Tim J. Croudace (Lead / Corresponding author), Jan R. Böhnke

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)


Wahl et al. [ 1 ] have provided an elegant exemplar of the psychometric calibration approach known as item banking, applying modern item response theory (IRT) to multi-instrument depression severity measurement. Their inclusive approach, integrative data analysis, and identification of commensurate items from a large number of common scales are enriched by test information functions for each item set, instrument-to-common-metric mapping functions and threshold locations. The authors are to be congratulated on offering a comprehensive standardized view of what might otherwise be 11 unrelated depression metrics. Applied research could unite behind their unidimensional measures.
Original languageEnglish
Pages (from-to)4-6
Number of pages3
JournalJournal of Clinical Epidemiology
Issue number1
Early online date16 Oct 2013
Publication statusPublished - Jan 2014


  • Epidemiology

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