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Are you better? Describing and expl...

Beaton, Dorcas Eleanor.

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Are you better? Describing and explaining changes in health status in persons with upper-extremity musculoskeletal disorders.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Are you better? Describing and explaining changes in health status in persons with upper-extremity musculoskeletal disorders./
作者:	Beaton, Dorcas Eleanor.
面頁冊數:	243 p.
附註:	Source: Dissertation Abstracts International, Volume: 61-06, Section: B, page: 3319.
Contained By:	Dissertation Abstracts International61-06B.
標題:	Psychology, Psychometrics. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=NQ49951
ISBN:	0612499510

Are you better? Describing and explaining changes in health status in persons with upper-extremity musculoskeletal disorders.
Beaton, Dorcas Eleanor.

Are you better? Describing and explaining changes in health status in persons with upper-extremity musculoskeletal disorders. - 243 p.

Source: Dissertation Abstracts International, Volume: 61-06, Section: B, page: 3319.

Thesis (Ph.D.)--University of Toronto (Canada), 2000.

"Are you better?" is a fundamental question for both clinical practice and clinical research. Measuring changes in health status questionnaire scores is one way we attempt to answer the question in a standardized way, but how do we know if they do it well? The ability of a questionnaire to accurately detect change when it has occurred is called responsiveness. This is tested by examining change score in patients deemed to be improved by some reasonable indicator of true change. This thesis shows that the description of an instruments responsiveness is dependent on the indicator used. Measures are not "responsive" but are "responsive to...". A taxonomy is developed describing different types of change (i.e., important change) and different perspectives that can be taken (patient, clinician). Each category is a different kind of responsiveness.

ISBN: 0612499510Subjects--Topical Terms:

1017742
Psychology, Psychometrics.

Are you better? Describing and explaining changes in health status in persons with upper-extremity musculoskeletal disorders.
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500 $a Adviser: Claire Bombardier.
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520 $a "Are you better?" is a fundamental question for both clinical practice and clinical research. Measuring changes in health status questionnaire scores is one way we attempt to answer the question in a standardized way, but how do we know if they do it well? The ability of a questionnaire to accurately detect change when it has occurred is called responsiveness. This is tested by examining change score in patients deemed to be improved by some reasonable indicator of true change. This thesis shows that the description of an instruments responsiveness is dependent on the indicator used. Measures are not "responsive" but are "responsive to...". A taxonomy is developed describing different types of change (i.e., important change) and different perspectives that can be taken (patient, clinician). Each category is a different kind of responsiveness.
520 $a One perspective, the patient's, is examined in detail in a qualitative study. The results show that being "better" is highly individualized, and may have little to do with a change in health state. This perspective is operationalized in a cohort study evaluating if different categories of change (cells in the taxonomy) result in different descriptions of an instruments responsiveness. The results show a high degree of variability.
520 $a "Are you better?" is challenging to measure, but it is usually the question we are trying to answer when health status questionnaires are used in evaluative manners. Responsiveness studies need to be designed with attention to the indicator being used for change, which should reflect the target application.
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