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Factor analysis techniques for assessing sufficient unidimensionality of cancer related fatigue. Quality of Life Research, 15, 1179-90. presented at the Sep.
. (2006). Progress in assessing physical function in arthritis: PROMIS short forms and computerized adaptive testing. Journal of Rheumatology, 36, 2061-2066. presented at the Sep.
. (2009). Developing an initial physical function item bank from existing sources. Journal of Applied Measurement, 4, 124-36.
. (2003). IRT health outcomes data analysis project: an overview and summary. Quality of Life Research, 16, 121-132.
. (2007). Measuring quality of life in chronic illness: the functional assessment of chronic illness therapy measurement system. Archives of Physical Medicine and Rehabilitation, 83, S10-7. presented at the Dec.
. (2002).