tailieunhanh - báo cáo hóa học: " Understanding the role of discriminative instruments in HRQoL research: can Ferguson's Delta help?"

Tuyển tập các báo cáo nghiên cứu về sinh học được đăng trên tạp chí hóa học quốc tế đề tài : Understanding the role of discriminative instruments in HRQoL research: can Ferguson's Delta help? | BioMed Central Health and Quality of Life Outcomes Letter to the Editor Understanding the role of discriminative instruments in HRQoL research can Ferguson s Delta help Kathleen W Wyrwich Address Senior Research Scientist United BioSource Corporation Bethesda MD USA Email Kathleen W Wyrwich - Open Access Published 16 October 2008 Received 5 August 2008 Accepted 16 October 2008 Health and Quality of Life Outcomes 2008 6 82 doi 1477-7525-6-82 This article is available from http content 6 1 82 2008 Wyrwich licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http licenses by which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract A critique of Hankins M How discriminating are discriminative instruments Health and Quality of Life Outcomes 2008 6 36 As a PhD student in the 1990s one of my favorite places on campus was the Lewis Annex to our university s library. It is an underground shelf space with limited accessibility very low ceilings and dim lighting. However hidden in the damp Lewis Annex were bound volumes of Psy-chometrika dating back to the 1930s. Alone with no other library patrons near I could spread open several articles at once on the floor and follow the thoughts of past psychometric sages late into the night with great interest and content with complete abandonment of time and my real-world responsibilities outside of those yellow-paged tomes and narrow library aisles. As I read Matthew Hankins paper on the use of Ferguson s Delta 1 as an index of discriminate validity the smell and fond memories of the Lewis Annex swept over me like a soft cloud. However not only did this paper trigger a reflection on the psychometric masters of the mid 20th century it caused me to contemplate the debt of gratitude I and other health outcomes