BISC104 Chapter Notes - Chapter 1: Blind Experiment, Helicobacter Pylori, Barry Marshall
Document Summary
Learning guide: chapter 1- introduction to scientific method. A hypothesis is a proposed explanation of the natural phenomena. A prediction is the result we expect to see from a hypothesis test. A theory is the body of scientifically accepted general principles that explain natural phenomena. An observation is a way to make up a hypothesis. A question is always come up after the observation. A good scientific hypothesis is testable and falsifiable. No, we only can disproof a hypothesis because there may still have other causes of the natural phenomena. The basic premise of germ theory is that microorganisms are the cause of some or all human diseases. The relationship between h. pylori and ulcer is considered fact is that conformed the germ theory. A controlled experiment is used as baseline values for comparison. Control is the subject for an experiment who is similar to experimental subject except is not exposed to the experimental treatment.