Test-retest, the standard method used to investigate reliability of contingent valuation, is limited because when the time period between the two surveys is relatively short the study may exhibit ...

Please provide your email address to receive an email when new articles are posted on . BOSTON – Both tablet-based and website-based Melbourne Rapid Fields tests had high test-retest reliability, with ...

Background: The contribution disclosure forms used by medical journals to assess and confirm authorship are surveys of self-reported behaviour that follow the cognitive rules of psychometric ...

This study evaluated the equivalence of Chinese and US-English versions of the SF-36 Health Survey in a convenience sample of 309 Chinese nationals bilingual in Chinese and English living in a US city ...