0379-3982 0379-3982 S0379-39822017000200058 10.18845/tm.v30i2.3197 Costa Rica Costa Rica Costa Rica Costa Rica Costa Rica 00 06 2017 00 06 2017 30 2 58 66

[1] 2002 [2] 2007 [3] 2009 [4] 2013 I [5] 2007 [6] 2008 [7] 2004 [8] 2013 [9] 2009 27 1 1 21-51 [10] 2003 [11] 2003 [12] 2003 [13] 2010 [14] 2005 153-9 [15] 2012 [16] Human Factors Research and Engineering Group 2004 [17] Health and Safety Laboratory 2009 [18] 2008