Candidates can boost their critical thinking skills through mental exercises like problem-solving scenarios and brain teasers. Engaging in discussions that encourage debate and multiple viewpoints can hone analytical capabilities. Regularly practicing case studies related to governance, policy, and current affairs enhances practical understanding. Techniques such as the Socratic method, which encourages questioning and dialogue, can deepen comprehension. Additionally, keeping a critical journal where candidates analyze news articles or case studies can strengthen their ability to evaluate information critically.