Simple rules for detecting depression |
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Authors: | Mirjam A Jenny Thorsten Pachur S Lloyd Williams Eni Becker Jürgen Margraf |
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Institution: | 1. Max Planck Institute for Human Development, Lentzeallee 94, 14195 Berlin, Germany;2. Ruhr University Bochum, Department of Clinical Psychology and Psychotherapy, Universitätsstrasse 150, 44780 Bochum, Germany;3. Radboud University Nijmegen, Faculty of Social Sciences, P.O. Box 9104, 6500 HE Nijmegen, The Netherlands |
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Abstract: | Depressive disorders are major public health issues worldwide. We tested the capacity of a simple lexicographic and noncompensatory fast and frugal tree (FFT) and a simple compensatory unit-weight model to detect depressed mood relative to a complex compensatory logistic regression and a naïve maximization model. The FFT and the two compensatory models were fitted to the Beck Depression Inventory (BDI) score of a representative sample of 1382 young women and cross validated on the women's BDI score approximately 18 months later. Although the FFT on average inspected only approximately one cue, it outperformed the naïve maximization model and performed comparably to the compensatory models. The heavier false alarms were weighted relative to misses, the better the FFT and the unit-weight model performed. We conclude that simple decision tools—which have received relatively little attention in mental health settings so far—might offer a competitive alternative to complex weighted assessment models in this domain. |
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Keywords: | Depressed mood Fast and frugal trees Medical decision making Screening Beck Depression Inventory |
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