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 depuration phases, 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
