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Measuring Mindfulness: A Rasch Analysis of the Freiburg Mindfulness Inventory
Generation Research Program, Human Science Center, Ludwig-Maximilians-Universität, Prof.-Max-Lange-Platz 11, 83646 Bad Tölz, Germany
Peter Schilffarth Institute, Prof.-Max-Lange-Platz 16, 83646 Bad Tölz, Germany
Institute of Transcultural Health Studies, European University Viadrina, Frankfurt (Oder), Postfach 1786, 15207 Frankfurt (Oder), Germany
Institute of Psychiatry, King’s College London, Stamford St, London SE1 8WA, UK
Brain, Mind and Healing Program, Samueli Institute, 1737 King Street, Suite 600, Alexandria, VA 22314, USA
* Author to whom correspondence should be addressed.
Received: 31 October 2011; Accepted: 1 December 2011 / Published: 8 December 2011
Abstract: The objective of the study was to assess the psychometric properties of the Freiburg Mindfulness Inventory (FMI-14) using a Rasch model approach in a cross-sectional design. The scale was administered to N = 130 British patients with different psychosomatic conditions. The scale failed to show clear one-factoriality and item 13 did not fit the Rasch model. A two-factorial solution without item 13, however, appeared to fit well. The scale seemed to work equally well in different subgroups such as patients with or without mindfulness practice. However, some limitations of the validity of both the one-factorial and the two-factorial version of the scale were observed. Sizeable floor and ceiling effects limit the diagnostical use of the instrument. In summary, the study demonstrates that the two-factorial version of the FMI-13 shows acceptable approximation to Rasch requirements, but is in need of further improvement. The one-factorial solution did not fit well, and cannot be recommended for further use.
Keywords: mindfulness; measurement; assessment; Rasch; item response theory
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Sauer, S.; Walach, H.; Offenbächer, M.; Lynch, S.; Kohls, N. Measuring Mindfulness: A Rasch Analysis of the Freiburg Mindfulness Inventory. Religions 2011, 2, 693-706.
Sauer S, Walach H, Offenbächer M, Lynch S, Kohls N. Measuring Mindfulness: A Rasch Analysis of the Freiburg Mindfulness Inventory. Religions. 2011; 2(4):693-706.
Sauer, Sebastian; Walach, Harald; Offenbächer, Martin; Lynch, Siobhan; Kohls, Niko. 2011. "Measuring Mindfulness: A Rasch Analysis of the Freiburg Mindfulness Inventory." Religions 2, no. 4: 693-706.