Treatment

In a clinical context, any medical or therapeutic procedure administered with the purpose of alleviating or eliminating a particular disorder, disease, or related problem;

In research, an experimental condition or independent variable;

more generally: the specific manner in which an individual regards, handles, deals with, cares for, or otherwise behaves towards another or other persons – or a claim, subject, argument, or hypothesis.

(see also: therapy, efficacy, experimental group, scientific approach, pseudo-science, systematic evidence, evolution, anecdotal evidence, (conceptual) models, operational definition, critical thinking, theory (scientific) , falsifiability, testability).