A hypnotic regression session, where the patient is relieving anxiety by experiencing memories without negative mentions being attached to them.<unk>  is the technique of using hypnosis in the practice of psychoanalysis and psychotherapy. It attempts to utilize the trance state induced by hypnosis to effect a conscious understanding of a person's unconscious psychodynamics.
Hypnoanalysis
Subgroup analysis
Bioprospecting
PRECEDE–PROCEED model
Meta-analysis
Mixing study
Platform trial
Agent study