Practicality Analysis, Problem Based Learning, Metacognition Instruction, Statistical Reasoning Skill.

This research is focused on the prototype development stage to see the practicality of learning devices in developing a ProblemBased Learning model accompanied by Metacognition Instructions. This type of research is qualitative research with a descriptive approach. The informants in this study were students of Mathematics Education at IAIN Kerinci and lecturers of Mathematics at IAIN Kerinci. This study uses instruments 1) In-depth interview sheets for students and lecturers of Mathematics at IAIN Kerinci; 2) Participant Observation; and 3) Documentation.