Item Selection in Development of WHOQOL-OLD
- VernacularTitle:老年人生存质量量表条目的初步筛选
- Author:
Xifeng SUN
;
Yuantao HAO
;
Jiqian FANG
- Publication Type:Journal Article
- Keywords:
mental health quality of life psychometric studies elderly item selection Cronbach ? test-retest reliability
- From:
Chinese Mental Health Journal
2002;0(07):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective: Selecting items from item pool for the development of WHOQOL-OLD by six statistical methods. Testing the function of Cronbach ? and test-retest reliability method for item selection.Methods:Collecting data by the means of multistage sampling, two new methods based on Cronbach ? and test-retest reliability were employed to select items in view of internal consistency and stability in addition to the commonly used methods such as methods of dispersion and correlation coefficient. Results: Items selected by different methods were remained to constitute the old module of WHOQOL; items with high internal consistency or high stability were selected by methods based on Cronbach ? and test-retest reliability. Conclusion: The four commonly used methods select items from aspects of representation, independence and discrimination, while methods based on Cronbach ? and test-retest reliability select the items in view of internal consistency and stability. The two new methods are recommended together with the conventional methods in item selection.