The term thinking skills refers to a cluster of a large number of related skills, and in the DP particular focus is placed on skills such as metacognition, reflection and critical thinking. Many categorizations of thinking skills also emphasize related behaviours such as “curiosity, flexibility, posing problems, decision making, being reasonable, creativity, risk taking, and other behaviours that support critical and creative thought” (Costa and Kallick 2009). In this way, while a crucial elemen