Higher Order Thinking Skills Not Taught?

While the ranking of higher order thinking skills can be a bit arbitrary, it definitely encourages teachers to think about how they are structuring their lessons.  I try and use these different thinking skills to make sure that I am providing a varied learning environment for my students.  However, it seems that that is not the case in all places.  Check out this study that found little evidence of higher order thinking skills being taught and used in classrooms.