3.8 Critical thinking involves identifying and challenging assumptions which underlie beliefs, justifying ideas and actions, judging the rationality of these justifications, and analysing of arguments.
3.9 Reflective judgment enables purposeful contemplation, deliberation and processes such as analysis, identification, self-correction and elaboration of all the knowable elements of the problem and its possible solutions.
3.10 Reflective judgment involves reflective thinking, such as epistemic assumptions or epistemological judgments and their impact on problem solving.
3.15 Awareness and identification of beliefs, values and attitudes impact on critical thinking and metacognitive processes in problem solving environments.
3.16 Underdeveloped critical thinking and metacognitive skills impact negatively on successful problem solving.
3.17 Critical thinking is enhanced by metacognitive knowledge and regulation of cognition.
3.18 Scaffolding in problem solving situations supports the development of critical thinking, metacognitive knowledge and skills, executive control and strategy knowledge.

See other related assertions on page 36 in the book The Taxonomy of Metacognition.