Traditional EFT has you tapping with the fingertips of your index finger and middle finger and with only one hand. Either hand works just as well. Most of the tapping points exist on either side of the body, so it doesn't matter which side you use, nor does it matter if you switch sides during the tapping.
(October 2015). The Yale attitude change approach, also known as the Yale attitude change model, is the social psychology study of the conditions under which people are most likely to change their attitudes in response to persuasive messages.
Thus, the top-down approach may force a goal at odds with the relative status quo to be achieved through force, and may be the best alternative once the bottom-up approach fails [as opposed to altering the bottom-up approach]. The top-down approach may be the best approach to cause radical change in an unstable environment amidst high conflict. There are numerous concerns regarding the effectiveness of the top-down approach.