“…It is also very important the type of instructions feedback which instructors provide to their athletes/students. Recently, self-talk instructions which athletes were said to themselves loudly, improved the skill technique in volleyball, swimming and Tae-kwon-do (Zetou, Vernadakis, Bebetsos, & Makraki, 2012;Zetou, Vernadakis, Bebetsos, & Liadakis, 2014), archery (Bebetsos, 2015), and in physical exercise involvement in general (Dimitrakaki et al, 2013). Vernadakis, Antoniou, Zetou, and Kioumourtzoglou, (2004) also support the role of computer assistance as instructional mean which instructors could use for skill learning (Vernadakis, Zetou, Antoniou, & Kioumourtzoglou, 2002;Vernadakis, Zetou, Avgerinos, Giannousi, & Kioumourtzoglou, 2006 ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------…”