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Generally you can prove covert hypnosis to be effective only after applying it yourself. There is no visual of scientific evidence to show that covert hypnosis works. Proofs can be commonly categorized into scientific, testimonial and personal experience. Each has its own advantage and disadvantage.

The researches are proved scientifically in the laboratories. Evidences, experiments and theoretical support are required to support such proofs. Such researches can be quantitative or qualitative.