2. Methodology
2.1. Research model
A qualitative research method, a case study, is used in this research.
2.2. Study participants
The “High School Mathematics Teaching Program Evaluation Survey”
by Aközbek (2008) and “Perspectives on the Nature of Mathematics, Mathematics Teaching and Mathematics Learning Survey” by Yurday (2006) were administered to 164 high school teachers, working in Turkish Ministry of Education secondary schools in the city center of Sivas, during the spring term of the 2011–2012 academic year. Gathered data were analyzed and nine teachers have been chosen for the study group.