With the understanding of importance of pedagogical content knowledge, professional noticing has become one of the research subjects of the mathematics educators for the last 10 years. This qualitative study which explores secondary school students' solution processes regarding the concept of equation ,one of the main components of algebraic…

Sleep is a physiological need that affects physical and mental performances. However, the number of individuals who experience problems directly or indirectly related to sleep is increasing in various countries. Therefore, it is important to have a short, reliable and valid measure to assess both sleep quality and sleep related variables in…