The prefix "dis-" can be used in various psychological terms to indicate a separation, disconnection, or negation of a concept or behavior.
In the case of "Dis-Identification Technique," it refers to a cognitive technique that involves distancing oneself from thoughts, feelings, or behaviors that are causing distress. This technique can be used to help individuals detach from negative thought patterns and beliefs, allowing them to gain a more objective perspective and reduce their emotional reactivity. Other psychological terms that use the "dis-" prefix include dissonance (a state of cognitive inconsistency or conflict), dissociation (a disruption of the normal integration of consciousness, memory, and identity), and disinhibition (a loss of inhibitions or self-control).