... other things, make decisions, and form the individual behavior of us. 2. Critical thinking in classrooms The same with critical thinking in any context of life, critical thinking in classrooms ... R. (2003). Defining Critical Thinking. Retrieved December 7, 2011 from http://www.criticalthinking.org/University/univclass/Defi ning.html 19. Wiggins, A. (2011). Critical Thinking, Retrieved ... critical thinking is of Edward Glaser in 1941. He defined critical thinking that “The ability to think critically, as conceived in this volume, involves three things: ( 1 ) an attitude of being...