Quality of Life instruments purpose to measure and explore feelings and daily life experiences, and should not formulate questions which assume to know a person's state of being, simply due to a condition they have.
I have had the great advantage of visiting places unseen and using instruments purpose-built to work in the Arctic Ocean waters.
Six criteria are proposed to evaluate cross-cultural validity of child mental health instruments: (i) purpose of instrument, (ii) construct measured, (iii) contents of construct, (iv) local idioms employed, (v) structure of response sets, and (vi) comparison with other measurable phenomena.
Claes Borgstrom told Reuters: It's an abuse of the asylum instrument, the purpose of which is to protect people from persecution and torture if sent back to one's country of origin.
Decisions based on the content of the instrument, usage purpose, target country and population, and available evidence are recommended.
It is important that the development process includes a clear definition of the instrument's purpose and that domains relevant from the patient's perspective are covered.
In a frequently cited paper, Guyatt et al. [ 1] made the distinction between discriminative instruments, whose purpose it is to measure differences between subjects and evaluative instruments, designed to examine change over time.
We also report on our progress in reviewing and benchmarking atomic data for the Fe coronal ions, that are of particular importance for spectral and instrument calibration purposes.
Finite difference schemes and other time-stepping algorithms used for musical instrument modelling purposes are normally arrived at by discretising a Newtonian description of the system.
It does not address the use of PRO instruments for purposes beyond evaluation of claims made about a drug or medical product in its labeling.
