Research so far:

http://www.ted.com/conversations/6244/what_is_the_difference_between_6.html
http://www.ted.com/conversations/12909/how_do_you_manipulate_yourself.html

"Focusing more on situations most people are familiar with."
- Positive/negative thinking because expected negative/positive outcome.
- Shifting someone's opinion/emotions because of emotional expression.
- Sneezing and biological manipulation.