A model is valid
A)if it is based on human behavior.
B)if it is new.
C)if it has been around for many years.
D)if it can explains some observations or events.
E)only if it makes predictions perfectly.

Question

Quizplus · Accepted Answer

A model is considered valid if it can explain some observations or events. It does not have to be based on human behavior, new, or around for many years. While making predictions is important, it is not the only factor in determining the validity of a model.

A Model Is Valid