Appliance of Textbook Basic on Process Image of Human Respiratory System against High School Student’s Critical thinking Ability

Study in 21st century having much transformation in science and technology. An effective knowledge is a knowledge that includes student's ability in understanding study subject. Therefore,to support an optimum study process there is a need of a text book. Therefore, Process Image (PI) is a series of pictures/diagrams in a shape of object in an order that have a differences in situation, position, shape and combination in a whole and certain complexity. Study in Biology especially in a main study of human respiratory system is a study that have the most complexity. This happened because the study subject is abstract in a process that can't be seen directly because it is inside human body. Objective of this research is to knowing the effectivity of textbook basic on process image. Human respiratory system processing subject against high school student's ability in criticism. Subject of the research is students in XI Science 3 in Senior High School of Arjasa 2017/2018 academic Period. Data collecting technique is performance test. The results showing that textbook basic on process image on student's ability to critical thinking in a good criteria