The study found that Kortland [8] conducted a
study to explore a decision making of students aged
13-14 in the Netherlands, after teaching the students
arguments about a decision making situation had
improved as far as clarity of the criteria used for
evaluating alternatives is concerned. Ratcliffe [15]
conducted a study to explore a decision making on
environment issues. The result found that the
appropriate framework to follow during discussion
among small groups of 15 year olds being able to
begin to address.