It is used in a manner that is best for the student. Actual curriculum choices can make the teacher's job easier or harder. An age appropriate, flexible program is best. Student gains confidence, not being compared with others. Better and longer retention.
Education becomes a practical part of life.
Possible low standardized test scores in early years. Let's look at the study of ducks from the Applied Approach. The study of ducks may begin because the teacher has decided that it is time to learn about ducks, whether the child has expressed interest in them or not. The teacher will find books on ducks and maybe a read-aloud novel that includes a duck character. A published curriculum on ducks may be used.