Sentence examples for validity investigators from inspiring English sources

It has been explained that to ensure that a protocol's statistical analysis strategy is appropriate and that it includes optimal analysis design to achieve scientific validity, investigators are encouraged to consult a biostatistician early in the design process.

The comparisons consistently supported data validity between investigators.

36 To increase validity, two investigators analysed and coded the transcripts independently, then discussed discrepancies until agreement was reached.

To maintain data validity, two investigators ascertained the analysis process, but there may have been limitations to this approach.

To maximize analytic validity, two investigators (LDLW and WWTL) independently coded the data and held joint interpretive discussions.

Health-related quality of life (HRQL) instruments should demonstrate adequate test-retest reliability, cross-sectional and longitudinal validity before investigators use them to assess outcomes in research studies.

This is according to the suggestion of Liang and Jette; to fully establish construct validity the investigator must also demonstrate what variables are uncorrelated with the construct of interest [ 32].

23 The validity scores enable investigators to down-weight evidence based on studies with flaws or other concerns, such as confounding in non-randomized trials.

In the validation process the investigators found adequate internal consistency, test-retest reproducibility, adequate convergent construct validity, and discriminant validity.

The abdominal drawing-in manoeuvre was analysed for both concurrent and discriminative validity and that the investigators were blinded to the health status of all the participants.

Botkin (2001) presents a cogent argument against this position, noting that because all science rests on the validity of data collected, investigators designing a study must provide ample evidence of the validity of second-hand reports if they are relying on such reports as a means of collecting data about familial variables interacting with environmental factors.