{"id":46867,"date":"2023-04-10T03:02:36","date_gmt":"2023-04-10T00:02:36","guid":{"rendered":"https:\/\/www.lecturesbureau.gr\/1\/?p=46867"},"modified":"2023-04-10T00:26:49","modified_gmt":"2023-04-09T21:26:49","slug":"homophily-what-are-echo-chambers-and-how-do-they-affect-us-3232","status":"publish","type":"post","link":"https:\/\/www.lecturesbureau.gr\/1\/homophily-what-are-echo-chambers-and-how-do-they-affect-us-3232\/","title":{"rendered":"\u039f\u03bc\u03bf\u03c6\u03b9\u03bb\u03af\u03b1 | \u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf\u03b9 \u00ab\u03b8\u03ac\u03bb\u03b1\u03bc\u03bf\u03b9 \u03b1\u03bd\u03c4\u03ae\u03c7\u03b7\u03c3\u03b7\u03c2\u00bb \u03ba\u03b1\u03b9 \u03c0\u03ce\u03c2 \u03bc\u03b1\u03c2 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03bf\u03c5\u03bd"},"content":{"rendered":"<p>\u039f\u03b9 \u03c3\u03c5\u03b6\u03b7\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03c4\u03b5\u03c7\u03bd\u03bf\u03bb\u03bf\u03b3\u03af\u03b1, 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\u03bc\u03b5 \u03c4\u03b9\u03c2 \u03b1\u03c0\u03cc\u03c8\u03b5\u03b9\u03c2 \u03c4\u03bf\u03c5\u03c2, \u03bc\u03b9\u03b1 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03c0\u03bf\u03c5 \u03b5\u03c0\u03b9\u03b4\u03b5\u03b9\u03bd\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03b1\u03bb\u03b3\u03cc\u03c1\u03b9\u03b8\u03bc\u03bf\u03c5\u03c2 \u03c6\u03b9\u03bb\u03c4\u03c1\u03b1\u03c1\u03af\u03c3\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b1\u03c2.<\/p>\n<p>\u038c\u03c3\u03bf\u03bd \u03b1\u03c6\u03bf\u03c1\u03ac \u03c4\u03bf \u03c0\u03c1\u03ce\u03c4\u03bf \u03b6\u03ae\u03c4\u03b7\u03bc\u03b1, \u03c4\u03b7\u03c2 \u03b5\u03bc\u03c6\u03ac\u03bd\u03b9\u03c3\u03b7\u03c2 \u03bf\u03bc\u03bf\u03ca\u03b4\u03b5\u03b1\u03c4\u03ce\u03bd \u03b1\u03c4\u03cc\u03bc\u03c9\u03bd, \u03ad\u03c1\u03b5\u03c5\u03bd\u03b5\u03c2 \u03cc\u03c0\u03c9\u03c2 \u03c4\u03bf\u03c5 Myers and Lamm (1976), \u03ad\u03c7\u03bf\u03c5\u03bd \u03b4\u03b5\u03af\u03be\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03c4\u03b1 \u03ac\u03c4\u03bf\u03bc\u03b1 \u03c0\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03ad\u03bb\u03b7 \u03bf\u03bc\u03bf\u03b9\u03bf\u03b3\u03b5\u03bd\u03ce\u03bd \u03bf\u03bc\u03ac\u03b4\u03c9\u03bd, \u03c5\u03b9\u03bf\u03b8\u03b5\u03c4\u03bf\u03cd\u03bd \u03c0\u03b9\u03bf \u03b1\u03ba\u03c1\u03b1\u03af\u03b5\u03c2 \u03b1\u03c0\u03cc\u03c8\u03b5\u03b9\u03c2 \u03b1\u03c6\u03bf\u03cd \u03c3\u03c5\u03b6\u03b7\u03c4\u03ae\u03c3\u03bf\u03c5\u03bd \u03bc\u03b5 \u03c4\u03b1 \u03ac\u03bb\u03bb\u03b1 \u03bc\u03ad\u03bb\u03b7 \u03bc\u03b5 \u03c4\u03b1 \u03bf\u03c0\u03bf\u03af\u03b1 \u03ad\u03c7\u03bf\u03c5\u03bd \u03c0\u03b1\u03c1\u03cc\u03bc\u03bf\u03b9\u03b5\u03c2 \u03b1\u03c0\u03cc\u03c8\u03b5\u03b9\u03c2. \u03a0\u03b1\u03c1\u0384 \u03cc\u03bb\u03b1 \u03b1\u03c5\u03c4\u03ac, \u03c0\u03bf\u03bb\u03bb\u03ad\u03c2 \u03bf\u03bc\u03bf\u03b9\u03bf\u03b3\u03b5\u03bd\u03b5\u03af\u03c2 \u03bf\u03bc\u03ac\u03b4\u03b5\u03c2 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03bf\u03cd\u03bd \u03bc\u03b9\u03b1 \u03b5\u03c5\u03ba\u03b1\u03b9\u03c1\u03af\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b1 \u03bc\u03ad\u03bb\u03b7 \u03c0\u03bf\u03c5 \u03ad\u03c7\u03bf\u03c5\u03bd \u03ba\u03bf\u03b9\u03bd\u03ac \u03b5\u03bd\u03b4\u03b9\u03b1\u03c6\u03ad\u03c1\u03bf\u03bd\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03b5\u03bc\u03c0\u03b5\u03b9\u03c1\u03af\u03b5\u03c2 \u03bd\u03b1 \u03ad\u03c1\u03b8\u03bf\u03c5\u03bd \u03c3\u03b5 \u03b5\u03c0\u03b1\u03c6\u03ae \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03b5\u03bd\u03b4\u03c5\u03bd\u03b1\u03bc\u03c9\u03b8\u03bf\u03cd\u03bd \u03c9\u03c2 \u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03c9\u03c2 \u03ba\u03bf\u03b9\u03bd\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2, \u03cc\u03c0\u03c9\u03c2 \u03b3\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1 \u03c3\u03c4\u03b7\u03bd \u03c0\u03b5\u03c1\u03af\u03c0\u03c4\u03c9\u03c3\u03b7 \u03b4\u03b9\u03b1\u03c6\u03cc\u03c1\u03c9\u03bd \u03bf\u03bc\u03ac\u03b4\u03c9\u03bd \u03bc\u03b5\u03b9\u03bf\u03bd\u03bf\u03c4\u03ae\u03c4\u03c9\u03bd.<\/p>\n<p>\u0388\u03c1\u03b5\u03c5\u03bd\u03b5\u03c2 \u03cc\u03c0\u03c9\u03c2 \u03b1\u03c5\u03c4\u03ae \u03c4\u03c9\u03bd Lawrence, Sides, and Farrell (2010) \u03ad\u03b4\u03b5\u03b9\u03be\u03b1\u03bd \u03cc\u03c4\u03b9 \u03bf\u03b9 \u03b1\u03bd\u03b1\u03b3\u03bd\u03ce\u03c3\u03c4\u03b5\u03c2 \u03b9\u03c3\u03c4\u03bf\u03bb\u03bf\u03b3\u03af\u03c9\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b9\u03bf \u03c0\u03b9\u03b8\u03b1\u03bd\u03cc \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03bf\u03bb\u03c9\u03bc\u03ad\u03bd\u03bf\u03b9 \u03b9\u03b4\u03b5\u03bf\u03bb\u03bf\u03b3\u03b9\u03ba\u03ac, \u03ba\u03b1\u03b8\u03ce\u03c2 \u03ad\u03c7\u03bf\u03c5\u03bd \u03bc\u03b9\u03b1 \u03c4\u03ac\u03c3\u03b7 \u03c0\u03c1\u03bf\u03c2 \u03b9\u03c3\u03c4\u03bf\u03bb\u03cc\u03b3\u03b9\u03b1 \u03c0\u03bf\u03c5 \u03c4\u03b1\u03b9\u03c1\u03b9\u03ac\u03b6\u03bf\u03c5\u03bd \u03bc\u03b5 \u03c4\u03b7\u03bd \u03c0\u03bf\u03bb\u03b9\u03c4\u03b9\u03ba\u03ae \u03b9\u03b4\u03b5\u03bf\u03bb\u03bf\u03b3\u03af\u03b1 \u03c4\u03bf\u03c5\u03c2. \u03a0\u03b1\u03c1\u03cc\u03bc\u03bf\u03b9\u03b5\u03c2 \u03ad\u03c1\u03b5\u03c5\u03bd\u03b5\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b1 \u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03b9\u03ba\u03ac \u03b4\u03af\u03ba\u03c4\u03c5\u03b1 \u03ad\u03c7\u03bf\u03c5\u03bd \u03ba\u03b1\u03c4\u03b1\u03bb\u03ae\u03be\u03b5\u03b9 \u03c3\u03b5 \u03c0\u03b1\u03c1\u03cc\u03bc\u03bf\u03b9\u03b1 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03ac\u03c3\u03bc\u03b1\u03c4\u03b1. \u03a9\u03c3\u03c4\u03cc\u03c3\u03bf, \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03bc\u03b5\u03b3\u03ac\u03bb\u03b7 \u03c0\u03b9\u03b8\u03b1\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b1\u03c5\u03c4\u03ae \u03b7 \u03c0\u03cc\u03bb\u03c9\u03c3\u03b7 \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03c4\u03bf\u03bd\u03b7 \u03b5\u03be\u03b1\u03b9\u03c4\u03af\u03b1\u03c2 \u03bc\u03b9\u03b1\u03c2 \u03bf\u03bc\u03ac\u03b4\u03b1\u03c2 \u03bb\u03af\u03b3\u03c9\u03bd \u03b1\u03c4\u03cc\u03bc\u03c9\u03bd \u03c0\u03bf\u03c5 \u03ad\u03c7\u03bf\u03c5\u03bd \u03c0\u03b9\u03bf \u03b1\u03ba\u03c1\u03b1\u03af\u03b5\u03c2 \u03b1\u03c0\u03cc\u03c8\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03b1\u03c5\u03c4\u03cc \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b9\u03bf \u03b5\u03bd\u03b5\u03c1\u03b3\u03ae \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03bc\u03ad\u03c3\u03bf \u03c7\u03c1\u03ae\u03c3\u03c4\u03b7 \u03c3\u03c4\u03bf \u03b4\u03b9\u03b1\u03b4\u03af\u03ba\u03c4\u03c5\u03bf.<\/p>\n<p>\u0395\u03c0\u03bf\u03bc\u03ad\u03bd\u03c9\u03c2, \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bb\u03ae\u03b8\u03b5\u03b9\u03b1 \u03cc\u03c4\u03b9 \u03c4\u03b1 \u03ac\u03c4\u03bf\u03bc\u03b1 \u03ad\u03c7\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03c4\u03ac\u03c3\u03b7 \u03bd\u03b1 \u03b3\u03af\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03c4\u03c5\u03b1\u03ba\u03ac \u03bc\u03ad\u03bb\u03b7 \u03bf\u03bc\u03ac\u03b4\u03c9\u03bd, \u03c4\u03c9\u03bd \u03bf\u03c0\u03bf\u03af\u03c9\u03bd \u03c4\u03b1 \u03bc\u03ad\u03bb\u03b7 \u03ad\u03c7\u03bf\u03c5\u03bd \u03c0\u03b1\u03c1\u03cc\u03bc\u03bf\u03b9\u03b1 \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03bc\u03b5 \u03c4\u03b1 \u03af\u03b4\u03b9\u03b1 (\u03bf\u03bc\u03bf\u03c6\u03b9\u03bb\u03af\u03b1). \u03a3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03cc\u03bc\u03c9\u03c2 \u03ac\u03c1\u03b1\u03b3\u03b5 \u03b1\u03c5\u03c4\u03cc \u03cc\u03c4\u03b9 \u03b1\u03c0\u03bf\u03c6\u03b5\u03cd\u03b3\u03bf\u03c5\u03bd \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03b1\u03c0\u03cc\u03c8\u03b5\u03b9\u03c2 \u03b1\u03bd\u03b8\u03c1\u03ce\u03c0\u03c9\u03bd \u03bc\u03b5 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ae \u03b9\u03b4\u03b5\u03bf\u03bb\u03bf\u03b3\u03af\u03b1;<\/p>\n<p>\u039f\u03b9 \u03ad\u03c1\u03b5\u03c5\u03bd\u03b5\u03c2 \u03ad\u03c7\u03bf\u03c5\u03bd \u03ba\u03b1\u03c4\u03b1\u03b4\u03b5\u03af\u03be\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03b5\u03bd\u03ce \u03bf\u03b9 \u03ac\u03bd\u03b8\u03c1\u03c9\u03c0\u03bf\u03b9 \u03b1\u03c0\u03bf\u03b6\u03b7\u03c4\u03bf\u03cd\u03bd \u03c4\u03b7\u03bd \u03b5\u03bd\u03af\u03c3\u03c7\u03c5\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b1\u03c0\u03cc\u03c8\u03b5\u03c9\u03bd \u03c4\u03bf\u03c5\u03c2 \u03b2\u03c1\u03af\u03c3\u03ba\u03bf\u03bd\u03c4\u03b1\u03c2 \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03bf \u03c0\u03b5\u03c1\u03b9\u03b5\u03c7\u03cc\u03bc\u03b5\u03bd\u03bf \u03ba\u03b1\u03b9 \u03ac\u03c4\u03bf\u03bc\u03b1 \u03bc\u03b5 \u03c0\u03b1\u03c1\u03cc\u03bc\u03bf\u03b9\u03b5\u03c2 \u03b1\u03c0\u03cc\u03c8\u03b5\u03b9\u03c2, \u03b4\u03b5\u03bd \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03b1\u03c0\u03bf\u03c6\u03b5\u03cd\u03b3\u03bf\u03c5\u03bd \u03c3\u03ba\u03cc\u03c0\u03b9\u03bc\u03b1 \u03c4\u03b9\u03c2 \u03b1\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03b5\u03c2 \u03b1\u03c0\u03cc\u03c8\u03b5\u03b9\u03c2. \u039c\u03b9\u03b1 \u03bc\u03b5\u03b3\u03ac\u03bb\u03b7 \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1 \u03c4\u03c9\u03bd Flaxman, Goel, and Rao (2016), \u03ad\u03b4\u03b5\u03b9\u03be\u03b5 \u03cc\u03c4\u03b9 \u03b7 \u03ba\u03b1\u03c4\u03b1\u03bd\u03ac\u03bb\u03c9\u03c3\u03b7 \u03b5\u03b9\u03b4\u03ae\u03c3\u03b5\u03c9\u03bd, \u03b1\u03bd \u03ba\u03b1\u03b9 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bf\u03b4\u03b7\u03b3\u03ae\u03c3\u03b5\u03b9 \u03c3\u03c4\u03bf\u03bd \u03b9\u03b4\u03b5\u03bf\u03bb\u03bf\u03b3\u03b9\u03ba\u03cc \u03b4\u03b9\u03b1\u03c7\u03c9\u03c1\u03b9\u03c3\u03bc\u03cc \u03c4\u03bf\u03c5 \u03ba\u03bf\u03b9\u03bd\u03bf\u03cd, \u03c3\u03b5 \u03b1\u03c4\u03bf\u03bc\u03b9\u03ba\u03cc \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03bf\u03b9 \u03ac\u03bd\u03b8\u03c1\u03c9\u03c0\u03bf\u03b9 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b1 \u03bc\u03ad\u03c3\u03b1 \u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03b9\u03ba\u03ae\u03c2 \u03b4\u03b9\u03ba\u03c4\u03cd\u03c9\u03c3\u03b7\u03c2 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03ad\u03c1\u03b8\u03bf\u03c5\u03bd \u03c3\u03b5 \u03b5\u03c0\u03b1\u03c6\u03ae \u03bc\u03b5 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b5\u03c2 \u03b1\u03c0\u03cc\u03c8\u03b5\u03b9\u03c2 \u03c3\u03b5 \u03c3\u03cd\u03b3\u03ba\u03c1\u03b9\u03c3\u03b7 \u03bc\u03b5 \u03c4\u03bf \u03b1\u03bd \u03ad\u03ba\u03b1\u03bd\u03b1\u03bd \u03b1\u03c0\u03bb\u03ae \u03b1\u03bd\u03b1\u03b6\u03ae\u03c4\u03b7\u03c3\u03b7 \u03c3\u03c4\u03b9\u03c2 \u03bc\u03b7\u03c7\u03b1\u03bd\u03ad\u03c2 \u03b1\u03bd\u03b1\u03b6\u03ae\u03c4\u03b7\u03c3\u03b7\u03c2.<\/p>\n<p>\u039c\u03b5\u03b3\u03ac\u03bb\u03b7 \u03c3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b5\u03cd\u03c1\u03b5\u03c3\u03b7 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03bf\u03c5 \u03c0\u03b5\u03c1\u03b9\u03b5\u03c7\u03bf\u03bc\u03ad\u03bd\u03bf\u03c5 \u03ad\u03c7\u03bf\u03c5\u03bd \u03bf\u03b9 \u03b1\u03b4\u03cd\u03bd\u03b1\u03bc\u03bf\u03b9 \u03b4\u03b5\u03c3\u03bc\u03bf\u03af (weak ties), \u03b4\u03b7\u03bb\u03b1\u03b4\u03ae \u03bf\u03b9 \u03b5\u03c5\u03c1\u03cd\u03c4\u03b5\u03c1\u03bf\u03b9 \u03c6\u03af\u03bb\u03bf\u03b9, \u03bf\u03b9 \u03c3\u03c5\u03bd\u03b5\u03c1\u03b3\u03ac\u03c4\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03b3\u03b5\u03bd\u03b9\u03ba\u03cc\u03c4\u03b5\u03c1\u03b1 \u03c4\u03b1 \u03c0\u03c1\u03cc\u03c3\u03c9\u03c0\u03b1 \u03b5\u03ba\u03b5\u03af\u03bd\u03b1 \u03c0\u03bf\u03c5 \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03b1\u03bb\u03bf\u03af \u03c6\u03af\u03bb\u03bf\u03b9 \u03ae \u03c3\u03c4\u03b5\u03bd\u03ae \u03bf\u03b9\u03ba\u03bf\u03b3\u03ad\u03bd\u03b5\u03b9\u03b1 \u03c4\u03bf\u03c5 \u03c7\u03c1\u03ae\u03c3\u03c4\u03b7. \u039f\u03b9 \u03b4\u03b5\u03c3\u03bc\u03bf\u03af \u03b1\u03c5\u03c4\u03bf\u03af \u03c6\u03ad\u03c1\u03bd\u03bf\u03c5\u03bd \u03c3\u03c5\u03c7\u03bd\u03ac \u03c4\u03bf\u03bd \u03af\u03b4\u03b9\u03bf \u03c3\u03b5 \u03b5\u03c0\u03b1\u03c6\u03ae \u03bc\u03b5 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b1\u03c0\u03cc\u03c8\u03b5\u03b9\u03c2 \u03c0\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c5\u03c8\u03b7\u03bb\u03ae\u03c2 \u03c3\u03c0\u03bf\u03c5\u03b4\u03b1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u03af\u03b4\u03b9\u03bf.<\/p>\n<p>\u03a3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03ac\u03c1\u03b1\u03b3\u03b5 \u03b1\u03c5\u03c4\u03cc \u03c0\u03c9\u03c2 \u03bf\u03b9 \u03c7\u03c1\u03ae\u03c3\u03c4\u03b5\u03c2 \u03c3\u03c4\u03b7\u03bd \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03ad\u03c1\u03c7\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c5\u03bd\u03b5\u03c7\u03ce\u03c2 \u03c3\u03b5 \u03b5\u03c0\u03b1\u03c6\u03ae \u03bc\u03b5 \u03ac\u03bb\u03bb\u03b5\u03c2 \u03b1\u03c0\u03cc\u03c8\u03b5\u03b9\u03c2; \u0395\u03af\u03bd\u03b1\u03b9 \u03c4\u03b1 eco-chambers \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03ae \u03cc\u03c7\u03b9; \u0394\u03b5\u03bd \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03b1\u03ba\u03c1\u03b9\u03b2\u03ae \u03b1\u03c0\u03ac\u03bd\u03c4\u03b7\u03c3\u03b7 \u03c3\u03b5 \u03b1\u03c5\u03c4\u03ac \u03c4\u03b1 \u03b5\u03c1\u03c9\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1. \u039f\u03b9 \u03ad\u03c1\u03b5\u03c5\u03bd\u03b5\u03c2 \u03b4\u03b5\u03af\u03c7\u03bd\u03bf\u03c5\u03bd \u03cc\u03c4\u03b9 \u03bf\u03b9 \u03ac\u03bd\u03b8\u03c1\u03c9\u03c0\u03bf\u03b9 \u03b4\u03b5\u03bd \u03b1\u03c0\u03bf\u03c6\u03b5\u03cd\u03b3\u03bf\u03c5\u03bd \u03c3\u03ba\u03cc\u03c0\u03b9\u03bc\u03b1 \u03c4\u03b9\u03c2 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b1\u03c0\u03cc\u03c8\u03b5\u03b9\u03c2, \u03b1\u03bb\u03bb\u03ac \u03bf\u03b9 \u03c0\u03b1\u03c1\u03ac\u03b3\u03bf\u03bd\u03c4\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03ba\u03b1\u03b8\u03bf\u03c1\u03af\u03b6\u03bf\u03c5\u03bd \u03c4\u03bf \u03c4\u03b9 \u03b2\u03bb\u03ad\u03c0\u03b5\u03b9 \u03bf \u03c7\u03c1\u03ae\u03c3\u03c4\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b9 \u03cc\u03c7\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03bf\u03bb\u03cd\u03c0\u03bb\u03bf\u03ba\u03bf\u03b9, \u03ac\u03bb\u03bb\u03bf\u03c4\u03b5 \u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03b9\u03ba\u03bf\u03af \u03c0\u03b1\u03c1\u03ac\u03b3\u03bf\u03bd\u03c4\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03bf\u03c5\u03bd \u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ad\u03c2. \u03a3\u03c4\u03b7\u03bd \u03c0\u03bf\u03bb\u03c5\u03c0\u03bb\u03bf\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b1\u03c5\u03c4\u03ae, \u03ad\u03c1\u03c7\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03c4\u03b5\u03b8\u03bf\u03cd\u03bd \u03bf\u03b9 \u03b1\u03bb\u03b3\u03cc\u03c1\u03b9\u03b8\u03bc\u03bf\u03b9 \u03c4\u03bf\u03c5 \u03b5\u03ba\u03ac\u03c3\u03c4\u03bf\u03c4\u03b5 \u03bc\u03ad\u03c3\u03bf\u03c5, \u03ad\u03bd\u03b1 \u03b1\u03bd\u03b5\u03be\u03b5\u03c1\u03b5\u03cd\u03bd\u03b7\u03c4\u03bf \u03bc\u03b1\u03cd\u03c1\u03bf \u03ba\u03bf\u03c5\u03c4\u03af.<\/p>\n<p>\u039c\u03b9\u03b1 \u03b5\u03cd\u03ba\u03bf\u03bb\u03b7 \u03bb\u03cd\u03c3\u03b7 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03bc\u03b7\u03bd \u03c0\u03ad\u03c3\u03b5\u03c4\u03b5 \u03c3\u03c4\u03b7\u03bd \u03c0\u03b1\u03b3\u03af\u03b4\u03b1 \u03c4\u03c9\u03bd \u00abeco-chambers\u00bb \u03b5\u03af\u03bd\u03b1\u03b9 \u03bd\u03b1 \u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03ae\u03c3\u03b5\u03c4\u03b5 \u03c3\u03ba\u03cc\u03c0\u03b9\u03bc\u03b1 \u03bb\u03bf\u03b3\u03b1\u03c1\u03b9\u03b1\u03c3\u03bc\u03bf\u03cd\u03c2 \u03bc\u03ad\u03c3\u03c9\u03bd \u03ba\u03b1\u03b9 \u03b1\u03bd\u03b8\u03c1\u03ce\u03c0\u03c9\u03bd \u03c0\u03bf\u03c5 \u03b1\u03bd\u03ae\u03ba\u03bf\u03c5\u03bd \u03c3\u03b5 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ae \u03b9\u03b4\u03b5\u03bf\u03bb\u03bf\u03b3\u03af\u03b1 \u03b1\u03c0\u03cc \u03b5\u03c3\u03ac\u03c2, \u03ce\u03c3\u03c4\u03b5 \u03bd\u03b1 \u03ad\u03c7\u03b5\u03c4\u03b5 \u03bc\u03b9\u03b1 \u03c0\u03bb\u03b7\u03c1\u03ad\u03c3\u03c4\u03b5\u03c1\u03b7 \u03b5\u03bd\u03b7\u03bc\u03ad\u03c1\u03c9\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u03ba\u03cc\u03c3\u03bc\u03bf. \u0395\u03c0\u03af\u03c3\u03b7\u03c2, \u03bd\u03b1 \u03b8\u03c5\u03bc\u03ac\u03c3\u03c4\u03b5 \u03c0\u03c9\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b9\u03b8\u03b1\u03bd\u03cc \u03bd\u03b1 \u03ad\u03c1\u03c7\u03b5\u03c3\u03c4\u03b5 \u03c0\u03b9\u03bf \u03c3\u03c5\u03c7\u03bd\u03ac \u03c3\u03b5 \u03b5\u03c0\u03b1\u03c6\u03ae \u03bc\u03b5 \u03c7\u03c1\u03ae\u03c3\u03c4\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03ad\u03c7\u03bf\u03c5\u03bd \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b5\u03c2 \u03b9\u03b4\u03b5\u03bf\u03bb\u03bf\u03b3\u03af\u03b5\u03c2 \u03c3\u03c4\u03b1 \u03bc\u03ad\u03c3\u03b1 \u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03b9\u03ba\u03ae\u03c2 \u03b4\u03b9\u03ba\u03c4\u03cd\u03c9\u03c3\u03b7\u03c2, \u03b5\u03c0\u03b5\u03b9\u03b4\u03ae \u03b5\u03ba\u03b5\u03af\u03bd\u03bf\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b9\u03bf \u03b5\u03bd\u03b5\u03c1\u03b3\u03bf\u03af \u03ba\u03b1\u03b9 \u03b5\u03ba\u03c6\u03c1\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c0\u03b9\u03bf \u03ad\u03bd\u03c4\u03bf\u03bd\u03b1.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><em><strong>\u03a0\u03b7\u03b3\u03ad\u03c2:<\/strong><\/em><\/p>\n<p><em><strong>1. Barber\u00e1, P. (2020). Social Media, Echo Chambers, and Political Polarization. In N. Persily &amp; J. Tucker (Eds.), Social Media and Democracy: The State of the Field, Prospects for Reform (SSRC Anxieties of Democracy, pp. 34-55). Cambridge: Cambridge University Press.<\/strong><\/em><\/p>\n<p><em><strong>2. https:\/\/www.csii.gr\/<\/p>\n<p><\/strong><\/em>\u0395\u03b9\u03ba\u03cc\u03bd\u03b1: https:\/\/www.jou.ufl.edu\/insights\/why-trying-to-break-people-out-of-their-echo-chambers-might-be-counterproductive\/<em><strong><br \/>\n<\/strong><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u039f\u03b9 \u03c3\u03c5\u03b6\u03b7\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03c4\u03b5\u03c7\u03bd\u03bf\u03bb\u03bf\u03b3\u03af\u03b1, \u03c4\u03b7\u03bd \u03c0\u03bf\u03bb\u03b9\u03c4\u03b9\u03ba\u03ae, \u03c4\u03b1 \u03bd\u03ad\u03b1 \u03bc\u03ad\u03c3\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03ac\u03c3\u03ba\u03b7\u03c3\u03b7 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03bf\u03cd \u03b5\u03bb\u03ad\u03b3\u03c7\u03bf\u03c5 \u03c3\u03b5 \u03b1\u03c5\u03c4\u03ac, \u03b1\u03c6\u03bf\u03c1\u03bf\u03cd\u03bd \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03ac\u03bb\u03bb\u03c9\u03bd \u03c3\u03c4\u03b7 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u03c4\u03c9\u03bd \u03b1\u03bb\u03b3\u03bf\u03c1\u03af\u03b8\u03bc\u03c9\u03bd \u03ba\u03b1\u03b9 \u03c4\u03b7 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u03c4\u03c9\u03bd \u00ab\u03b8\u03b1\u03bb\u03ac\u03bc\u03c9\u03bd \u03b1\u03bd\u03c4\u03ae\u03c7\u03b7\u03c3\u03b7\u03c2\u00bb (eco-chambers). \u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03cc\u03bc\u03c9\u03c2 \u03b1\u03c5\u03c4\u03bf\u03af; \u03a3\u03cd\u03bc\u03c6\u03c9\u03bd\u03b1 \u03bc\u03b5 \u03c4\u03bf \u03bb\u03b5\u03be\u03b9\u03ba\u03cc \u03c4\u03bf\u03c5 Cambridge, \u00abeco-chamber\u00bb \u03b5\u03af\u03bd\u03b1\u03b9 \u201c\u03bc\u03b9\u03b1 \u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[66],"tags":[1012,1008,1013,168,288,1007,1011,1009,1014,1010],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","rttpg_featured_image_url":null,"rttpg_author":{"display_name":"admin","author_link":"https:\/\/www.lecturesbureau.gr\/1\/author\/admin\/"},"rttpg_comment":0,"rttpg_category":"<a href=\"https:\/\/www.lecturesbureau.gr\/1\/category\/science\/\" rel=\"category tag\">\u0395\u03a0\u0399\u03a3\u03a4\u0397\u039c\u0397<\/a>","rttpg_excerpt":"\u039f\u03b9 \u03c3\u03c5\u03b6\u03b7\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03c4\u03b5\u03c7\u03bd\u03bf\u03bb\u03bf\u03b3\u03af\u03b1, \u03c4\u03b7\u03bd \u03c0\u03bf\u03bb\u03b9\u03c4\u03b9\u03ba\u03ae, \u03c4\u03b1 \u03bd\u03ad\u03b1 \u03bc\u03ad\u03c3\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03ac\u03c3\u03ba\u03b7\u03c3\u03b7 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03bf\u03cd \u03b5\u03bb\u03ad\u03b3\u03c7\u03bf\u03c5 \u03c3\u03b5 \u03b1\u03c5\u03c4\u03ac, \u03b1\u03c6\u03bf\u03c1\u03bf\u03cd\u03bd \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03ac\u03bb\u03bb\u03c9\u03bd \u03c3\u03c4\u03b7 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u03c4\u03c9\u03bd \u03b1\u03bb\u03b3\u03bf\u03c1\u03af\u03b8\u03bc\u03c9\u03bd \u03ba\u03b1\u03b9 \u03c4\u03b7 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u03c4\u03c9\u03bd \u00ab\u03b8\u03b1\u03bb\u03ac\u03bc\u03c9\u03bd \u03b1\u03bd\u03c4\u03ae\u03c7\u03b7\u03c3\u03b7\u03c2\u00bb (eco-chambers). \u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03cc\u03bc\u03c9\u03c2 \u03b1\u03c5\u03c4\u03bf\u03af; 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