1409-4258 1409-4258 S1409-42582016000300298 10.15359/ree.20-3.15 CL CL CL 00 12 2016 00 12 2016 20 3 298 323

2004 255-76 2007 28 1 1 6-15 1968 2009 3 3-8 1995 16 3 3 1-25 2010 31 4 4 35-68 1991 12 4 4 1-16 1998 2012 38 1 1 215-33 1998 1991 21-35 1997 1991 2004 24 2 2 135-47 2008 47 47 49-70 2004 a 25 1 1 34-44 2004 b 25 2 2 48-60 2005 3 191-215 2013 1997 2009 1993 2001 1998 2004 24 2 2 121-33 Ministerio de Educción (Mineduc) 2013 3 26 26 1-7 1994 3 2011 33 132 132 195-204 2008 2006 76 76 1-16 2010 31 1 1 40-9 2008 29 4 4 6-19 2013 43 148 148 240-55 2016 37 1 1 46-60 2009 18 1 1 85-96 2010 1988