0123-1294 0123-1294 S0123-12942018000200219 10.5294/edu.2018.21.2.3 USA Estados Unidos de América USA 00 08 2018 00 08 2018 21 2 219 236

2013 2008 7 4 4 305-19 2001 2017 47 47 107-19 2005 34 7 7 24-31 2008 1-46 2007 2012 2014 20 2 2 103-29 CAL - Center for Applied Linguistics 2018 a CAL - Center for Applied Linguistics 2018 b 2012 96 2 2 251-69 2011 58 58 29-40 2008 26 1 1 5-17 CDE - California Department of Education 2018 a CDE - California Department of Education 2018 b CLI - California Legislative Information 2018 1979 49 49 222-51 2010 2016 70 1 1 6-16 2009 72 1 1 81-99 2009 324-37 2017 2014 2011 66 66 87-97 2010 68 3 3 60-4 2010 2014 2009 1 1 1 1-44 2007 2008 1672-82 2012 61 61 9-21 1985 2004 2007 135 2009 64 4 4 367-75 2005 62 4 4 56-9 2010 73 1 1 43-60 2011 32 6 6 531-45 2009 44 2 2 89-118 2014 9-17 2013 36 2 2 167-86 2010 3 1 1 2013 2012 2014 2014 2007 70 6 6 2013 25 3 3 361-78 2004 88 1 1 75-101 2007 63 2014 2009 77 1 1 10-3 2017 33 4 4 63-75 2017 4 1 1 2014 29 29 251-70 2007 2 2 2 2002 26 1 1 85-101 2012 2012 9 1 1 1-26 2010 75 2 2 1995 79 2 2 166-78 2011 USCB - United States Census Bureau 2018 a USCB - United States Census Bureau 2018 b 2003 4 7 7 153-69 1996