A Present Editorial Policy Seems to Be That

Multiple Choice

A present editorial policy seems to be that:

A) single experiments are preferred over multiple experiments.
B) no more than two experiments should be reported in one paper.
C) multiple experiments or a parametric study involving several levels of two or more independent variables is more acceptable than single experiments.
D) follow-ups to a main experiment reported in a paper should be handled in separate "research notes" publications.