In Class Lecture On Chapter 1(1)

In Class Lecture On Chapter 1(1) - Chapter 1 Scientific...

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Chapter 1: Scientific Thinking Your best pathway to understanding the world Lectures by Mark Manteuffel, St. Louis Community College
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Learning Goals Describe what science is. Describe the scientific method. Describe key aspects of well-designed experiments. Describe how the scientific method can be used to help make wise decisions. Describe the major themes in biology.
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1.1 1.3 Science is a collection of facts and a process for understanding the world.
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1.1 What is science? What is biology?
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Scientists Are curious Ask questions about how the world works Seek answers Does the radiation released by cell phones cause brain tumors? Are anti-bacterial hand soaps better than regular soap? Do large doses of vitamin C reduce the likelihood of getting a cold?
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Science Not simply a body of knowledge or a list of facts to be remembered… …but rather an intellectual activity, encompassing observation, description, experimentation, and explanation of natural phenomena.
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“How do you know that is true?” The single question that underlies scientific thinking
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…the importance of questioning the truth of many “scientific” claims you see on merchandise packages or read in the newspaper or on the Internet.
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Questioning Scientific Claims For almost 15 years, a product called “Airborne” has been marketed and sold to millions of customers. On the packaging and in advertisements, the makers asserted that Airborne tablets could ward off colds and boost your immune system ( Figure 1-1 Some products claim to improve our health, but how do we know they work? ). Not surprisingly, Airborne was a great success and generated more than one hundred million dollars in revenue and became one of the fastest selling health products ever. Then some consumers asked the makers of Airborne a reasonable question: How do you know that it wards off colds?
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Can we trust the packaging claims that companies make? clinical drug trials and evidence To prove their claims, the makers of Airborne pointed to the results of a “double -blind, placebo- controlled study” conducted by a company specializing in clinical drug trials. We’ll discuss exactly what those terms mean later in the chapter; for now we just need to note that as a result of a class-action lawsuit, it became clear that no such study had been conducted and that there was no evidence to back up Airborne’s claims. Airborne removed the claims from the packaging and agreed to refund the purchase price to anyone who had bought Airborne. They also removed any reference to their “clinical trials,” with the company’s CEO saying that people “are really not scientifically minded enough to be able to understand a clinical study.”
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Are you insulted by the CEO’s assumption about your intelligence? You should be.
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