The available options are:
A. Repeating the false suggestion several times
B. Electrical shock
C. using a plausible false event
D. Asking the individual to imagine the event.
Answer:
Electric Shock
Explanation:
Option A not correct, because it is LIKELY to be effective in planting the false memories, because repeating the false memory over time, will make it easier for the person involved to retain the false memory.
Option C is not correct, because, using plausible false event for the person involved will make it easier to retain the false memory.
Option D is not correct, because letting the person involved to imagine the false event will make him or her to retain the false memories.
Option B is correct, because, using Electrical Shock, will only make the person involved to retain the memory of electrical shock but not the false memories that need to be planted.
Hence, the right answer is ELECTRIC SHOCK
