Advantages
It aims at developing listening and speaking skills which is a step away from the Grammar translation method
The use of visual aids has proven its effectiveness in vocabulary teaching.
Disadvantages
The method is based on false assumptions about language. The study of language doesn’t amount to studying the “parole”, the observable data. Mastering a language relies on acquiring the rules underlying language performance. That is, the linguistic, sociolinguistic, and discourse competences.
The behaviorist approach to learning is now discredited. Many scholars have proven its weakness. Noam Chomsky ( “Chomsky, Noam (1959). “A Review of B. F. Skinner’s Verbal behavior”) has written a strong criticism of the principles of the theory.