graded effect

antonyms: all-or-none effect, quantal effect, stochastic effect
https://doi.org/10.1351/goldbook.14722
Consequence that can be measured on a graded scale of intensity or severity and its magnitude related directly to the dose or concentration of the substance producing it.
Source:
PAC, 2009, 81, 829. (Glossary of terms used in ecotoxicology (IUPAC Recommendations 2009)) on page 891 [Terms] [Paper]