Correlation coefficients between the IPDS, the GMDS, and the BHS were calculated to assess convergent validity of the new measure with well validated instruments for measuring emotional distress.
Finally, it provides examples of existing approaches to measurement and previously validated instruments for each type of patient-centered outcome.
For validation of both of them, studies comparing performance of control and clinical populations were conducted (Pawlowski et al. 2013; Gonçalves et al., 2013), as well as studies comparing populations of different age ranges (Zibeti et al., 2010) and studies investigating correlations with previously validated instruments for the Brazilian population (Yates et al., 2013).
While numerous livelihood factors were examined, few were measured using standardized or validated instruments for particular constructs, again reflecting the dearth of research conducted in this area to-date and perhaps the lack of experience among clinical investigators with use of standard measures more out of social science traditions.
The 2002 RLS module predated validated instruments for measuring RLS outside of a clinical setting [ 2].
Both are validated instruments for the measurement of general health-related quality of life.
Firstly the study used validated instruments for measuring QoL, common mental disorders and stigma.
Although most studies included assessment data, few used published, validated instruments for assessing their students' learning.
The Conners' questionnaires are validated instruments for the assessment of ADHD [ 18, 19].
Finally, the outcome measures were carefully selected, validated instruments for various domains including physician distress, well-being, and meaning in work.
