Effective Trial-And-Error Management Has Preconditions That "________" Is NOT One

Multiple Choice

Effective trial-and-error management has preconditions that "________" is NOT one of them.

A) the experiment must provide evidence
B) the experiment should not cause irreversible, negative changes to the environment
C) the experiment should not destroy the experimenter
D) the experimenter must have the will and capability to try again if the first experiment "fails"