2011年3月7日 星期一

Research questions of SF-36 for heroin users

The purpose of the study is to test data quality, scaling properties, reliability, and construct validity of SF-36 for heroin users.

1. data quality, such as completeness of data in both item and scale level
2. scaling properties, such as distribution of item responses, equivalence of item means and standard deviations, and item-internal consistency
3. reliability, such as internal consistency reliability
4. construct validity, such as item-discriminant validity and scaling success rates

1 則留言:

  1. what are the progresses of data analysis and data presentation?

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