Watch this Micheal Johnson interview https://www.youtube.com/watch?v=ZZ4Lf53eLuQ.
See 0:15 - 0:40 for Micheal's self confidence, 1:25 - 2:30 for how people considered his style and 8:45 - 9:50 for how he changed the way people looked at the 200 & 400. Apply this to the four sources of self efficacy.
