Paper Title
Designing a Model Hypothesis of the Relationship between Challenge-based Learning and Critical Thinking Skills

The objectives of this research were 1) To design a model hypothesisofthe relationship between challenge-based learning and critical thinking skills; 2) To examine the validity of the model hypothesis by using Index of consistency(IOC).The results showed that process challenge-based learning was linked to critical thinking. The validity of the model hypothesis that assessment by 9 experts was agree(IOC=0.74). Keywords - Challenge-Based Learning, Critical Thinking Skills