A$($n$)\_\_\_$ is a detailed problem solving method that produces the answer, whereas a$($n$)\_\_\_$ is an informal method.

A$($n$)\_\_\_$ is a detailed problem solving method that produces the answer, whereas a$($n$)\_\_\_$ is an informal method.

heuristic; algorithm

algorithm; normative model

descriptive model; heuristic

algorithm; heuristic