Construct validation and the Rasch model: functional ability of healthy elderly people. Export

@article{Avlund K, Kreiner S, Schultz-Larsen K , abstract = {The purpose of this study was to test the construct validity of a measure of functional ability, developed with the intention of achieving a high degree of variability and capacity for discriminating among a group of healthy elderly people. Data were collected from 734 70-year-old people in Denmark in the county of Copenhagen. Functional ability was measured with the traditional activities of daily living and with a classification system developed specially for healthy elderly people. Construct validity was tested by the Rasch model for item analysis, addressing specifically the internal validity by assessing the homogeneity of items under different conditions. The results show that the proposed measure of functional ability is a combination of six different dimensions, divided into 3 types: mobility function, lower limb function and upper limb function. With regard to these three types decreased functional ability can appear by either tiredness or reduced speed.}, address = {Institute of Social Medicine, University of Copenhagen.}, author = {Avlund, K. and Kreiner, S. and Schultz-Larsen, K.}, citeulike-article-id = {3043329}, citeulike-linkout-0 = {http://view.ncbi.nlm.nih.gov/pubmed/8310276}, citeulike-linkout-1 = {http://www.hubmed.org/display.cgi?uids=8310276}, comment = {rasch\_community-dwell\_unavaialble}, issn = {0300-8037}, journal = {Scandinavian journal of social medicine}, keywords = {community-dwelling}, month = {December}, number = {4}, pages = {233--246}, posted-at = {2008-07-25 18:42:57}, priority = {5}, title = {Construct validation and the Rasch model: functional ability of healthy elderly people.}, url = {http://view.ncbi.nlm.nih.gov/pubmed/8310276}, volume = {21}, year = {1993} }

TY - JOUR ID - Avlund K, Kreiner S, Schultz-Larsen K L3 - citeulike-article-id:3043329 N2 - The purpose of this study was to test the construct validity of a measure of functional ability, developed with the intention of achieving a high degree of variability and capacity for discriminating among a group of healthy elderly people. Data were collected from 734 70-year-old people in Denmark in the county of Copenhagen. Functional ability was measured with the traditional activities of daily living and with a classification system developed specially for healthy elderly people. Construct validity was tested by the Rasch model for item analysis, addressing specifically the internal validity by assessing the homogeneity of items under different conditions. The results show that the proposed measure of functional ability is a combination of six different dimensions, divided into 3 types: mobility function, lower limb function and upper limb function. With regard to these three types decreased functional ability can appear by either tiredness or reduced speed. IS - 4 JF - Scandinavian journal of social medicine SN - 0300-8037 AD - Institute of Social Medicine, University of Copenhagen. EP - 246 TI - Construct validation and the Rasch model: functional ability of healthy elderly people. VL - 21 SP - 233 KW - community-dwelling N1 - rasch_community-dwell_unavaialble AU - Avlund, K AU - Kreiner, S AU - Schultz-Larsen, K PY - 1993/12// UR - http://view.ncbi.nlm.nih.gov/pubmed/8310276 ER -