1659-4142 1659-4142 S1659-41422020000200046 10.15517/eci.v10i2.38946 Costa Rica 00 12 2020 00 12 2020 10 2 46 75

1970 2015 176 709-13 2014 67-83 2016 90-103 2016 110-25 2013 2016 178-92 2016 56 31-47 2013 2012 58 775-86 2010 55 32-42 2013 31 1-15 2018 9 1-30 2017 17 132-44 2017 8 99-116 2014 1-29 1989 13 319-40 2014 3 1 2018 7 31-9 2013 68 429-39 2016 102 202-23 2014 6th 2016 7 41-69 2011 56 1023-31 2012 60 623-38 2013 69 121-30 2015 18 459-73 2019 50 2162-77 2009 51 7-15 2016 95 328-39 2018 1-14 2016 2010 44 1-30 2006 Ministerio de Educación de Chile 2006 2016 27 126-32 2018 74 85-97 2015 21 25-38 2018 18 1-16 2013 196-222 2018 1-22 2016 63 50-8 2016 24 539-52 2012 34 1-22 2018 2019 103-5 2017 2019 19 66-80 2016 17 1-38 2017 18 1-31 2018 19 146-70 2018 18 87-101 2018 a 2018 b 93-121 2020 44 1-18 2015 202-14 2016 15 55-69 2013 63 43-51 2017 110 143-53 2018 122 32-42 2004 2008 39 273-315 2000 46 186-204 2017 71 73-83 2017 104 49-64 2010 55 178-87