The most difficult decision$-$making situation is ambiguity

$q,,$ because the problem to be solved is unclear, alternatives are difficult to define, and information about outcomes is unavailable.

When a decision must be made without having clear information about the problem, or any information about how probable the outcomes of the decision are, it is being made under ambiguous conditions.

Decisions are more likely to fail when they are $$ decisions, made under conditions of $$