Calibration of an item pool for assessing the burden of headaches: an application of item response theory to the headache impact test (HIT).

MLA

Bjorner, Jakob B., et al. “Calibration of an Item Pool for Assessing the Burden of Headaches: An Application of Item Response Theory to the Headache Impact Test (HIT).” Quality of Life Research : An International Journal of Quality of Life Aspects of Treatment, Care and Rehabilitation, vol. 12, no. 8, Dec. 2003, pp. 913–33. EBSCOhost, https://doi.org/10.1023/a:1026163113446.

APA

Bjorner, J. B., Kosinski, M., & Ware, J. E., Jr. (2003). Calibration of an item pool for assessing the burden of headaches: an application of item response theory to the headache impact test (HIT). Quality of Life Research : An International Journal of Quality of Life Aspects of Treatment, Care and Rehabilitation, 12(8), 913–933. https://doi.org/10.1023/a:1026163113446

Chicago

Bjorner, Jakob B, Mark Kosinski, and John E Ware Jr. 2003. “Calibration of an Item Pool for Assessing the Burden of Headaches: An Application of Item Response Theory to the Headache Impact Test (HIT).” Quality of Life Research : An International Journal of Quality of Life Aspects of Treatment, Care and Rehabilitation 12 (8): 913–33. doi:10.1023/a:1026163113446.