1996-2452 1996-2452 S1996-24522020000200371 Ecuador Ecuador 00 08 2020 00 08 2020 15 2 371 381

2007 2 1 1 5-9 American Psychological Association 20 2002 76 5 5 423-36 2002 2019 54 16 16 140-52 2005 2019 1 22 22 9-22 2001 Ministerio de Educación del Ecuador 2017 2018 2015 18 1-16 1-16 2015 15 2 2 1-21 2012 22 6-33