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If your aunt is like most people, she will hear this scientifically-valid evidence and still insist that her idea about cold prevention through vitamin C is correct based on her personal experience.
Part of critical thinking is demonstrating humility, and many people (in this case, your aunt) have trouble doing this.
Additionally, she told you that one morning she was running late for work and forgot to take her vitamin C supplement. She now insists that you take vitamin C every day or you will get sick, just like she did in her story.
Many people hearing this story would just accept this and think, 'To avoid getting sick I should take vitamin C.' Although this type of logic is very common, it lacks critical-thinking skills.As a member, you'll also get unlimited access to over 79,000 lessons in math, English, science, history, and more.Plus, get practice tests, quizzes, and personalized coaching to help you succeed.Let's say that these thoughts of skepticism inspired your curiosity.After all, it wouldn't be fair to simply dismiss all new ideas, either.Is this conclusion based on evidence or gut feelings?' and 'Are there alternative possibilities when given new pieces of information?Any number of possibilities could have happened, and from just this story, we simply do not have enough information.All of this speculation as to the validity of this particular observation is considered skepticism.As a result, you looked up articles on the relationship between vitamin C and cold prevention.After reading several reports, you've found that scientific studies on whether vitamin C prevents the common cold have been conducted, and the results have been inconsistent.