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.
Spiral approach. The spiral approach is a technique often used in teaching or textbooks where first the basic facts of a subject are learned, without worrying about details. Then as learning progresses, more and more details are introduced, while at the same time they are related to the basics which are reemphasized many times to help enter them into long-term memory.