A 1

social media*

50 38 13 2

(Vafopoulos, 2012)

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like ;1 Facebook , 2.5 Likes 77% 13-16 38% 9-12

(Livingstone et al., 2012)

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Social media: ; : , , : - (cyberbullying)

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(Cyberbullying)

(Smith et al., 2008)*

Bullying vs. Cyberbullying *(Hinduja & Patchin, 2010; Menesini & Spiel, 2012)

: : :

(Lazuras et al., 2013)*

/

(Beran & Li, 2007; Pyzalksi, 2011)*

; 12-20% (12-17 ) , . (>70%) (Olweus, 2012; Slonje et al., 2013)

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Cyberbullying , , & (2012) DAPHNE III, 6 997 22 10% 34%

http://www.bullyingandcyber.net/en/documents/ecip/greece/ *

(Hinduja & Patchin, 2010 ; owalksi et al., 2012)*

; .. Like

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, , !

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social mediaStand up to CyberbullyingCyberbullying, Haters, and Trolls Parent Concern Common Sens.mp4 *

: (positive use) /

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http://www.saferinternet.gr/http://www.stopcyberbullying.org/http://www.bullyingnoway.com.au/http://www.cyberbullying.org/http://www.commonsensemedia.org/cyberbullying

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http://www.saferinternet.org/web/guest/centre/-/centre/greece *

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