since critical thinking is one of the main goals of university education system and quality is one of the main attributes of educational systems, identifying quality factors effecting critical thinking of students is necessary. so the purpose of present study is to investigate the role of teaching quality and its 4 components-including lesson plans, teaching performance, teaching and assessing ...

in this thesis, we consider a mathematical model of cancer with completely unknown parameters. we study the stability of critical points which are biologically admissible. then we consider a control on the system and introduce situations at which solutions are attracted to critical points and so the cancer disease has auto healing. the lyapunov stability method is used for estimating the un...

nowadays enhancing critical thinking in learners is considered one of the foreign language teachers’ tasks due to its high position in foreign language classrooms. when it comes to selecting materials for language classrooms, there are obviously some criteria that teachers should apply. the present study aimed at a critical thinking based analysis of ten picture story books and ten folktales th...