2007-1132 2007-1132 S2007-11322018000600121 10.29298/rmcf.v9i50.229 Mexico Mexico 00 12 2018 00 12 2018 9 50 121 139

1997 9 1859-68 2014 2 1 1 cou005 2001 82 33-49 1996 12 607-27 2003 76 329-41 1995 178 2009 7 185-9 1990 57 366-74 2004 24 1119-27 2002 47 11-23 2014 46 4 4 1421-9 2003 84 463-70 2005 4 2 2 65-74 1986 493-544 2006 229 259-67 2000 14 343-57 2001 4 4 4 454-61 2004 58 4 4 483-503 2011 17 97-109 2011 61 214-9 2016 30 4 4 375-88 2009 32 1060-70 2002 14 2 2 343-57 2010 1 1 1 30-7 2004 93 629-52 2016 333 1996 47 1045-56 2000 131 1984 32 495-510 1996 351 1993 2nd 769 1994 28 333-50 1999 17 125-30 2007 12 3 3 99-105 1975 9 165-254 2000 758 1999 20 51-9 2008 331 3 3 215-25 Statistical Package for the Social Sciences (SPPS) 2000 1991 565 2006 4th 690