Statistics Notes: Validating scales and indexes
نویسندگان
چکیده
منابع مشابه
Statistics Notes: Validating scales and indexes.
the internet remains of paramount concern in Europe, as elsewhere. Self regulatory codes of ethics for health websites abound, yet the quality and practices of many are highly questionable. Little progress seems to have been made, moreover, in assuring consumers that the information they share with health websites will not be misused. Several US studies have already concluded that websites’ pri...
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the course of low back pain in general practice: a one year follow up study. Ann Rheum Dis 1998;57:13-9. 16 Croft PR, Papageorgiou AC, Ferry S, Thomas E, Jayson MIV, Silman AJ. Psychological distress and low back pain: Evidence from a prospective study in the general population. Spine 1996;20:2731-7. 17 Papageorgiou AC, Macfarlane GJ, Thomas E, Croft PR, Jayson MIV, Silman AJ. Psychosocial fact...
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ژورنال
عنوان ژورنال: BMJ
سال: 2002
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.324.7337.606