The feasibility, validity and reliability of the Time Trade-Off (TTO) and Visual Analogue Scale (VAS) methods in obtaining preference values for health states were compared in a random sample of the ...

Background: Self-report questionnaires play an important role as outcome measures in shoulder research. Having an estimate of the measurement error of these ...

Phase III randomized double-blind study to evaluate the efficacy of a polycarbophil-based vaginal moisturizer in women with breast cancer. This is the first published report on the validation of the ...

HESI determines the reliability of HESI exams by conducting an item analysis on each exam that is administered and returned to the company for a composite report of the aggregate data. Discrimination ...

There is a distinction that one learns about on the first day of a course in psychological research methods. It is the difference between internal and external validity. Internal validity is ...

Objectives: To evaluate the reliability and validity of measures taken during the Chester step test (CST) used to predict VO 2 max and prescribe subsequent exercise. Methods: The CST was performed ...

Assessing the Consistency of Observations by Different Observers. In research, healthcare, and various other fields, the ...

As an expert witness I am often called upon to educate the courts about parental alienation theory and research (generic testimony) or to comment on the presence of alienation in a specific case ...