katse, mille tulemusel saadakse teada, kas valitud mõõtemetoodika toimib nagu ta peaks toimima ning saadakse ka tagasiside, test it may be useful to conduct a preliminary experiment in order to optimise the test conditions of the definitive test, e.g. selection of test substance concentration(s), duration of the uptake and, process of preliminary testing assumptions of a test using the sample data, before performing a test conditional upon the outcome of the preliminary test, is performed by some researchers, protsess esialgsete testimiste eeldustega katse teostamine, kasutades proovi/katsekeha mõõteandmeid, enne kui tehakse katse tulemus, mis sõltub esialgse katse tulemusest