This document discusses critical thinking in relation to A-Level sociology. It argues that critical thinking is an essential skill taught separately but should be integrated into the teaching of sociology as it is a critical way of thinking. It outlines the Enlightenment roots of critical thinking in doubting established norms and institutions. Key sociological thinkers like Marx and Weber practiced critical thinking to deconstruct common sense. The document advocates teaching sociological concepts like habitus through critically analyzing reality TV shows, and provides Bourdieu's framework as an example for understanding them as forms of cultural domination.