This study attempts to describe characteristics of graph thinking in solving a mathematical problem. Three students at the 10th grade senior-high schools were involved as subject. The data was collected from result an optimization problem task (OPT), video recording, interviews, and field notes. results showed two major found First, used concept theory create modelling. They able represent info...

Critical, creative, and flexible thinking is one of the educational priorities in 21st Century, at a time which world showing its most ephemeral uncertain side. In this sense, visible fundamental tool for achieving more significant meaningful learning. The VESS (Meaningful Life with Balance Wisdom) model, considering how we learn, provides different tools, such as aforementioned, facilitate Thu...

Much research in the last 2 decades has demonstrated that humans deviate from normative models of decision making and rational judgment. In 4 studies involving 954 participants, the authors explored the extent to which measures of cognitive ability and thinking dispositions can predict discrepancies from normative responding on a variety of tasks from the heuristics and biases literature includ...