The Influence of Problem Based Learning Model with Key Relation Chart Media Toward Critical Thinking and Student\u27s Group Cooperation in Class VIII SMP Negeri 14 Surakarta Academic Year 2012/2013

摘要

The purposes of this research are to know the influence of problem based learning model with key relation chart media toward the student\u27s critical thinking and group cooperation in VIII class of SMP Negeri 14 Surakarta Academic Year 2012/2013. This research was quasi experimental research with post-test non equivalent control croup design and cluster sampling technique. The population of this research was all students in VIII class of SMP Negeri 14 Surakarta Academic Year 2012/2013, the sample was two classes, they are experiment class used problem based learning model with key relation chart media and control class with convensional model, that is variative speech learning model with simple chart. Data collection technique was with essay test, cooperation observation sheet, questionnaire of cooperation, and student\u27s early value documentation. Based on hypothesis test result with t test, it has obtained t count value, that are 2,169 and sig. are 0,037 for student\u27s group cooperation value. Sig\u27s value from two t test for critical thinking variable and student\u27s group cooperation were bigger than 0,05, so Ho was denied. It has showed that critical thinking and student\u27s group cooperation in experiment and control class was really different. The result of data analysis above proof that there was an influence of problem based learning model with key relation chart media toward critical thinking and student\u27s group cooperation in VIII class of SMP Negeri 14 Surakarta Academic Year 2012/2013.